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Olen nõus

Heli Valtna

https://www.etis.ee/CV/Heli_Lukner/est
1.11.1982
heli.valtna@ut.ee
C-5739-2015
Vahemikus 2008-2019 avaldatud publikatsioonidel on autorinimeks Heli Valtna-Lukner.

Teenistuskäik

Töökohad ja ametid
22.03.2021–...   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut, füüsikalise optika kaasprofessor (0,10)
01.02.2021–31.12.2023   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut, laborijuhataja
04.01.2021–21.03.2021   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut, füüsikalise optika kaasprofessor (0,30)
01.01.2021–03.01.2021   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut, füüsikalise optika kaasprofessor (1,00)
05.08.2019–31.12.2020   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut, füüsikalise optika vanemteadur (1,00)
13.08.2018–04.08.2019   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut, füüsikalise optika vanemteadur (0,30)
01.12.2017–12.08.2018   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut, füüsikalise optika vanemteadur (1,00)
01.01.2016–30.11.2017   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut, füüsikalise optika vanemteadur (1,00)
12.09.2015–11.09.2016   
Max Plancki Valgusteaduse Instituut, järeldoktor (0,20)
12.09.2014–11.09.2015   
Max Plancki Valgusteaduse Instituut, järeldoktor (0,40)
12.09.2014–31.12.2015   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut, füüsikalise optika vanemteadur (1,00)
12.09.2013–11.09.2014   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut, füüsikalise optika vanemteadur (0,40)
12.09.2013–11.09.2014   
Max Plancki Valgusteaduse Instituut, järeldoktor (1,00)
01.12.2012–11.09.2013   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut, füüsikalise optika vanemteadur (1,00)
17.06.2012–30.11.2012   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut, teadur (1,00)
01.12.2010–16.06.2012   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut, teadur (0,50)
01.07.2008–30.11.2010   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut, erakorraline teadur (0,50)
01.01.2008–30.06.2008   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Loodus- ja tehnoloogiateaduskonna dekanaat, erakorraline teadur (0,08)
01.03.2007–19.04.2008   
Vilniuse Ülikooli Kvantelektroonika osakond, nooremteadur (Marie Curie varase astme väljaõppe stipendium) (1,00)
01.09.2006–31.12.2007   
Tartu Ülikool, Füüsika-keemiateaduskond, Füüsika-keemiateaduskonna dekanaat, erakorraline teadur (0,10)
 
 
Haridustee
2006–2010   
PhD summa cum laude füüsika erialal, optika ja spektroskoopia suunal, Tartu Ülikool
2004–2006   
MSc füüsika erialal, Tartu Ülikool
2000–2004   
BSc füüsika erialal, Tartu Ülikool
1997–2000   
keskharidus, Tallinna Reaalkool
 
 
Teadusorganisatsiooniline ja -administratiivne tegevus
2012−...   
Tartu Ülikooli Füüsika Instituudi teadusnõukogu liige
2006−...   
Eesti Füüsika Seltsi liige
2016−2016   
Osalemine Eesti Teadusagentuuri uue teaduse rahastuse süsteemi arendamise töörühmas
2003−2007   
Füüsika-keemiateaduskonna nõukogu liige
2003−2007   
Füüsika-keemia teaduskonna õppetoetuste määramise komisjoni liige
 
 
Lisainfo
2012 aasta Euroopa parima haridussaate tiigliga pärjatud Rakett 69 kohtunik ja teadusmeeskonna liige alates aastast 2011.
Eesti Teaduse Populariseerimise Auhinna konkursil esimese preemia pälvinud ja Euroopa Descartes'i preemia finalistiks valitud Eesti Füüsika Seltsi ettevõtmise Teadusbuss meeskonna liige ning algne koordinaator; ettevõtmise Füüsikaminutid ETV hommikuprogrammis Terevisioon projektijuht astatel 2005 ja 2006.
Õpetamine Tartu Ülikoolis:
- 2018, 2019 kevadsemestril aine "Optika", 6 EAP, vastutav õppejõud.
- 2013, 2015, 2016 kevadsemestril seminarid aines "Optika", 6 EAP
- 2016 kevad- ja sügissemestril õppejõud aines "Fotoonikaprojekt", 6 EAP
- 2008 kevadsemester "Optika praktikum", 4 EAP

Kvalifikatsioon

Teaduspreemiad ja tunnustused
2018, Heli Valtna, Riiklikult tunnustatud teaduse populariseerida 2017, peapreemia teaduse populariseerimises trükisõna kategoorias õpilaste teaduse ja tehnika esimese lugemiku "FÜÜBITS" eest.
2017, Heli Valtna, Vabariigi Presidendi Kultuurirahastu Noore teadlase preemia 2016, eripreemia teadusliku mõtteviisi populariseerimise eest
2010, Heli Valtna, Üliõpilaste teadustööde riikliku konkursi III preemia
2008, Heli Valtna, Eesti Teaduste Akadeemia poolt lähetatud saadik Saksamaal, Lindaus korraldataval 58. Nobeli preemia laureaatide ja noorte teadlaste kohtumisel 2008 a. juunis.
2007, Heli Valtna, Eesti Füüsika Seltsi tudengipreemia
2007, Heli Valtna, Üliõpilaste teadustööde riikliku konkursi I preemia
2006, Heli Valtna, Eesti Teaduste Akadeemia tudengite teadustööde konkursi II preemia (magistritöö eest)
2004, Heli Valtna, Üliõpilaste teadustööde riikliku konkursi II preemia
 
 
Lisainfo
Konsultatsioonid firmale SwampOptics FROG-tüüpi ülilühikeste optiliste impulsside ajalise kestvuse mõõtmise seadmete erilahenduste vallas.
Google Scholar profiil https://scholar.google.com/citations?user=IPSk2D8AAAAJ&hl=en

Researcher ID: C-5739-2015
ORCID: 0000-0001-8882-233X

Jooksvad projektid

Lõppenud projektid

Juhendamisel väitekirjad

Juhendatud väitekirjad

Publikatsioonid

Klass
Aasta
Publikatsioon
 
1.1.
2019
Ofodile, Ikechukwu; Helmi, Ahmed; Clapes, Albert; Avots, Egils; Peensoo, Kerttu Maria; Valdma, Sandhra-Mirella; Valdmann, Andreas; Valtna-Lukner, Heli; Omelkov, Sergey; Escalera, Sergio; Ozcinar, Cagri; Anbarjafari, Gholamreza (2019). Action Recognition Using Single-Pixel Time-of-Flight Detection. Entropy, 21 (4), ARTN 414. DOI: 10.3390/e21040414.
1.1.
2018
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2018). White-light hyperbolic Airy beams. Journal of Optics, 20 (9), 095605.10.1088/2040-8986/aad700.
5.2.
2018
Valdma, S.-M.; Valtna-Lukner, H. (2018). Single-mode fiber dispersion characterization from ultraboradband white light spatial-spectral interferogram. Photonics Europe, Strasbourg, 22.04-26.04.2018. SPIE.
5.2.
2018
Valdma, S.-M.; Valtna-Lukner, H. (2018). Single-shot fiber dispersion characterization with white light interferometry. Developments in Optics and Communications, Riga, 12.04-13.04.2018. University of Latvia,.
5.2.
2018
Valdma, S.-M.; Valtna-Lukner, H. (2018). Proof of Principle Measurements of Single-Mode Fiber Dispersion with White Light Interferometry. IONS Scandinavia, Copenhagen, 05.06-09.06.2018. Technical University of Denmark (DTU).
5.2.
2018
Morel, Valle; Valdma, Sandhra-Mirella; Lukner, Heli (2018). On spatial resolution of optical fiber as high resolution probe. Developments in Optics and Communications, Riga, 12.04-13.04.2018. University of Latvia, 1.
6.6.
2018
Lukner, Heli; Müürsepp, Mare (2018). Kas raamat teeb sinust teadlase? Nukits : Eesti Lastekirjanduse Teabekeskuse lastekirjanduse ja lastekultuuri almanahh, 20−22.
1.1.
2017
Valtna-Lukner, H.; Belli, F. ; Ermolov, A;Köttig, F.; Mak, K. F.; Tani, F. ; Travers, J. C.; Russell, P. St. J. ; (2017). Extremely broadband single-shot cross-correlation frequency-resolved optical gating using a transient grating as gate and dispersive element. Review of Scientific Instruments, 88, 073106-1−073106-6.10.1063/1.4991853.
5.2.
2017
Piksarv, P.; Valdmann, A.; Valtna-Lukner, H.; Saari, P. (2017). Super- and subluminal propagation of structured light pulses. European Optical Society Topical Meeting on Diffractive Optics, Joensuu, Finland, Sept. 4-7, 2017. Ed. Setäla, T.; Turunen, J.; Wyrowsky, F.; Saastamoinen, K.; Leppänen, L.-P. University of Eastern Finland: University of Eastern Finland, 7−8.
6.4.
2017
Lukner, Heli; Müürsepp, Mare (2017). FÜÜBITS Teaduse ja tehnika esimene lugemik huvilisele lapsele. Tammerraamat.
1.1.
2016
Valtna-Lukner, Heli; Repän, Jaagup; Valdma, Sandhra-Mirella; Piksarv, Peeter (2016). Endlessly single-mode photonic crystal fiber as a high resolution probe. Applied Optics, 55 (33), 9407−9411.10.1364/AO.55.009407.
1.1.
2016
Ermolov, Alexey; Valtna-Lukner, Heli; Travers, John; Russell, Philip St.J. (2016). Characterization of few-fs deep-UV dispersive waves by ultra-broadband transient-grating XFROG. Optics Letters, 41 (23), 5535−5538.
5.2.
2016
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2016). White-Light Dispersing and Nondispersing Hyperbolic Airy Beams. 25th Annual International Laser Physics Workshop (LPHYS'16), 2016, Yerevan, Armenia, July 11-15. Yerevan Physics Institute, S1.5.
5.2.
2016
Ermolov, Alexey; Valtna-Lukner, Heli; Travers, John C.; Russell, Philip St.J. (2016). Multi-shot TG-XFROG for the characterisation of deep-UV ultrashort pulses from dispersive-wave generation in gas-lled HCPCF. Europhysics Conference Abstracts, 40 B: 7th EPS-QEOD Europhoton Conference, Vienna, Austria, 21-26 August 2016. European Physical Society, 53.
6.6.
2016
Lukner, Heli (2016). Järelkasv ja teadlaskarjäär. Kadri Raudvere (Toim.). Eesti Teadus 2016 (46−47). Tartu.
5.2.
2015
Hein, H.; Lukner, H.; Poom, A.; Puman, E.; Soomets, E.; Suija, K. (2015). Kavandatavad muudatused õppetöös. Konverentsi posterettekanded: ÕPPEJÕULT ÕPPEJÕULE 2015: KOLLEGIAALNE TAGASISIDE, 14. jaanuar 2015. Toim. Ene Voolaid. Tartu Ülikool: Tartu Ülikool, 8−8.
5.2.
2015
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2015). White-light hyperbolic Airy beams. Ultrafast Optics (UFO X), Beijing, China, August 16-21, 2015.
5.2.
2015
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2015). Propagation speed and transformation of light into Bessel and Airy pulsed fields in optical elements, as measured with single-cycle temporal resolution. Northern Optics & Photonics 2015, Lappeenranta, Finland, June 2-4, 2015. 6.
1.1.
2014
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2014). Realization of laterally nondispersing ultrabroadband Airy pulses. Optics Letters, 39 (7), 1877−1880.10.1364/OL.39.001877.
1.1.
2014
Piksarv, Peeter; Valdmann, Andreas; Valtna-Lukner, Heli; Saari, Peeter (2014). Ultrabroadband Airy light bullets. Laser Physics, 24 (8), 085301.10.1088/1054-660X/24/8/085301.
3.1.
2014
Piksarv, Peeter; Valdmann, Andreas; Valtna-Lukner, Heli; Saari, Peeter (2014). Ultrabroadband Airy light bullets. Journal of Physics Conference Series, 497 (1), 012003.10.1088/1742-6596/497/1/012003.
5.2.
2014
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2014). Ultra-broadband dispersing and nondispersing Airy pulses. 2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Memphis Tennessee, USA, July 6-11, 2014. 402.7.
1.1.
2013
Piksarv, P.; Valdmann, A.; Valtna-Lukner, H.; Matt, R.; Saari, P. (2013). Spatiotemporal characterization of ultrabroadband Airy pulses. Optics Letters, 38 (7), 1143−1145.10.1364/OL.38.001143.
3.1.
2013
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Lõhmus, Madis; Matt, Roland; Saari, Peeter (2013). Measuring the suppression of ultrashort pulses into Airy-Bessel light bullets with almost single-cycle temporal resolution. In: M. Chergui, A. Taylor, S. Cundiff, R. de Vivie-Riedle, K. Yamagouchi (Ed.). EPJ Web of Conferences (10022). EDP Sciences.10.1051/epjconf/20134110022.
5.2.
2013
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Matt, Roland; Saari, Peeter (2013). Spatio-temporal characterization of white-light Airy pulses. Ultrafast Optics (UFO IX); Davos, Switzerland; March 4-8, 2013. TuP.18.
5.2.
2013
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Matt, Roland; Saari, Peeter (2013). Optical ultra-broadband spatial spectral interferometry with single-cycle temporal resolution. Ultrafast Optics (UFO IX); Davos, Switzerland; March 4-8, 2013. TuP.15.
5.2.
2013
Piksarv, P.; Valdmann, A., Valtna-Lukner, H.; Matt, R.; Saari, P. (2013). Ultrabroadband Airy light bullets. The 22nd International Laser Physics Workshop (LPHYS'13) Prague, Czech Republic, 15-19 July 2013. 1.2.3.
5.2.
2013
Piksarv, Peeter; Valdmann, Andreas; Valtna-Lukner, Heli; Matt, Roland; Saari, Peeter (2013). Generation and Characterization of Ultrawideband Airy Pulses. The 34th Progress in Electromagnetics Research Symposium (PIERS); Stockholm, Sweden; August 12-15, 2013. 41.
1.1.
2012
Lõhmus, M.; Bowlan, P.; Piksarv, P.; Valtna-Lukner, H.; Trebino, R.; Saari, P. (2012). Diffraction of ultrashort optical pulses from circularly symmetric binary phase gratings. Optics Letters, 37 (7), 1238−1240.10.1364/OL.37.001238.
1.1.
2012
Piksarv, Peeter; Bowlan, Pamela; Lõhmus, Madis; Valtna-Lukner, Heli; Trebino, Rick; Saari, Peeter (2012). Diffraction of ultrashort Gaussian pulses within the framework of boundary diffraction wave theory. Journal of Optics, 14 (1), 015701.10.1088/2040-8978/14/1/015701.
1.1.
2012
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Lõhmus, Madis; Matt, Roland; Saari, Peeter (2012). Temporal focusing of ultrashort pulsed Bessel beams into Airy–Bessel light bullets. Optics Express, 20 (15), 17220−17229.10.1364/OE.20.017220.
3.1.
2012
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Lõhmus, Madis; Matt, Roland; Saari, Peeter (2012). Measuring the temporal focusing of ultrashort Airy-Bessel wave packets. IEEE Photonics Conference (IPC); Burlingame, CA, USA; 23-27 Sept. 2012. IEEE Conference Publications, 497−498.10.1109/IPCon.2012.6358710.
3.4.
2012
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Lõhmus, Madis; Matt, Roland; Saari, Peeter (2012). Measuring the Suppression of Ultrashort Pulses into Airy-Bessel Light Bullets with Almost Single-Cycle Temporal Resolution. Europhysics Conference Abstracts, 36B: XVIIIth International Conference on Ultrafast Phenomena, Lausanne, Switzerland, 8-13 July 2012. European Physical Society,.
3.4.
2012
Saari, Peeter; Bowlan, Pamela; Valtna-Lukner, Heli; Lõhmus, Madis; Piksarv, Peeter; Trebino, Rick (2012). Complete Spatiotemporal Measurement of Bessel-X Pulses and Other Ultrafast Diffraction Phenomena. Europhysics Conference Abstracts, 36B: XVIIIth International Conference on Ultrafast Phenomena, Lausanne, Switzerland, 8-13 July 2012. European Physical Society,.
5.2.
2012
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Lõhmus, Madis; Matt, Roland; Saari, Peeter (2012). Suppression of temporal spread of ultrashort pulses using Airy-Bessel light bullets. Northern Optics; Snekkersten, Denmark; 19-21 November 2012.
5.2.
2012
Piksarv, Peeter; Lõhmus, Madis; Valtna-Lukner, Heli; Bowlan, Pamela; Trebino, Rick; Saari, Peeter (2012). Time-domain measurement of diffraction phenomena. 8th EOS Topical Meeting on Diffractive Optics (DO 2012); Delft, Netherlands; 27 February - 1 March 2012. European Optical Society, 4871.
3.1.
2011
Piksarv, P.; Bowlan, P.; Lõhmus, M.; Valtna-Lukner, H.; Trebino, R.; Saari, P. (2011). Propagation of ultrashort pulses behind diffracting screens. Proc. of SPIE, 8011: 22nd Congress of ICO: Light for the Development of the World, Puebla, Mexico, Aug. 15-19, 2011. Ed. Rodriguez-Vera, R. SPIE, 801131-1−801131-10.10.1117/12.901670.
5.2.
2011
Saari, P.; Bowlan, P.; Valtna-Lukner, H.; Lõhmus, M.; Piksarv, P.; Trebino, R. (2011). X-type localized waves in femtosecond optics. Ultrafast Optics, UFO VIII, September 26-30, 2011, Monterey, United States. 229−230.
5.2.
2011
Piksarv, P.; Bowlan, P.; Lõhmus, M.; Valtna-Lukner, H.; Trebino, R.; Saari, P. (2011). Propagation of ultrashort pulses behind diffracting screens. Abstracts Book: 22nd Congress of ICO: Light for the Development of the World; Puebla, Mexico; Aug. 15-19, 2011. Ed. Rodriguez-Vera, R.; Diaz-Uribe, R. 298−298.
1.1.
2010
Saari, P.; Bowlan, P.; Valtna-Lukner, H.; Lõhmus, M.; Piksarv, P.; Trebino, R. (2010). Directly Recording Diffraction Phenomena in Time Domain. Laser Physics, 20 (5), 948−953.10.1134/S1054660X10090021.
1.1.
2010
Saari, P.; Bowlan, P.; Valtna-Lukner, H.; Lõhmus, M.; Piksarv, P.; Trebino, R. (2010). Time-and-space-domain study of diffracting and non-diffracting light pulses. Lithuanian Journal of Physics, 50 (1), 121−127.10.3952/lithjphys.50108.
1.1.
2010
Lõhmus, M.; Bowlan, P.; Trebino, R.; Valtna-Lukner, H.; Piksarv, P.; Saari, P. (2010). Directly recording diffraction phenomena in the time domain. Lithuanian Journal of Physics, 50 (1), 69−74.10.3952/lithjphys.50105.
1.1.
2010
Saari, Peeter; Bowlan, Pamela; Valtna-Lukner, Heli; Lõhmus, Madis; Piksarv, Peeter; Trebino, Rick (2010). Basic diffraction phenomena 
in time domain. Optics Express, 18 (11), 11083−11088.10.1364/OE.18.011083.
2.3.
2010
Valtna-Lukner, H. (2010). Superluminally propagating localized optical pulses. (Doktoritöö, Tartu Ülikool). Tartu: Tartu Ülikooli Kirjastus.
5.2.
2010
Bowlan, P.; Piksarv, P.; Lukner, H.; Lõhmus, M.; Trebino, R.; Saari, P. (2010). High-resolution spatiotemporal measurement of the electric field of diffracting and non-diffracting ultrashort pulses. In: 5th EOS Topical Meeting on Advanced Imaging Techniques (001−002).. European Optical Society.
5.2.
2010
Piksarv, P.; Valtna-Lukner, H.; Lõhmus, M.; Saari, P.; Bowlan, P.; Trebino, R. (2010). Ülilühikeste valgusimpulsside difraktsioon - tuttav probleem uues kuues. Eesti Füüsika Seltsi aastaraamat 2009: XL Eesti füüsikapäevad ja XXXII füüsikaõpetajate päevad, Tartu, Tartu, 22-23 märts 2010. Toim. Aret, A.; Kaasik, H.; Kuusk, P. 137.
5.2.
2010
Bowlan, P.; Lõhmus, M.; Piksarv, P.; Valtna-Lukner, H.; Saari, P.; Trebino, R. (2010). High-resolution spatiotemporal measurement of the electric field of diffracting and non-diffracting ultrashort pulses. OSA Technical Digest (CD): 17th International Conference on Ultrafast Phenomena (UP) July 18-23 2010. Ed. Optical Society of America, 2010. ThE20.
1.1.
2009
Valtna-Lukner, Heli; Bowlan, Pamela; Lõhmus, Madis; Piksarv, Peeter; Trebino, Rick; Saari, Peeter (2009). Direct spatiotemporal measurements of accelerating ultrashort Bessel-type light bullets. Optics Express, 17, 14948−14955. DOI: 10.1364/OE.17.014948.
1.1.
2009
Bowlan, P.; Valtna-Lukner, H.; Lõhmus, M.; Piksarv, P.; Saari, p.; Trebino, R. (2009). Measurement of the spatio-temporal field of ultrashort Bessel-X pulses. Optics Letters, 34 (15), 2276−2278.
3.1.
2009
Dubietis, A.; Valtna, H.; Tamošauskas, G.; Darginavičius, J.; Piskarskas, A. (2009). Efficient ultrafast four-wave optical parametric amplification in condensed bulk media. In: Corkum, Paul; De Silvestri, Sandro; Nelson, Keith A.; Riedle, Eberhard; Schoenlein, Robert W. (Ed.). Ultrafast Phenomena XVI Proceedings of the 16th International Conference; Palazzo dei Congressi Stresa, Italy; June 9--13, 2008 (792−794).. Springer. (Springer Series in Chemical Physics; 92).
3.1.
2009
Bowlan, P.; Trebino, R.; Lukner, H.; Lõhmus, M; Piksarv, P.; Saari, P. (2009). Directly measuring the spatiotemporal electric field of ultrashort Bessel-X pulses. OSA Technical Digest (CD), 1-5: The Conference on Lasers and Electro-Optics (CLEO) and The International Quantum Electronics Conference (IQEC); Baltimore, Maryland, USA; May 31 – June 5, 2009. 1199−1200.
5.2.
2009
Valtna-Lukner, H.; Lõhmus, M; Piksarv, P.; Saari, P.; Bowlan, P.; Trebino, R. (2009). Valgusimpulsside difraktsiooni ja ülevalguskiirusega levi uurimine femtosekundilise ajalise ja mikromeetrilise ruumilise lahutusega. Füüsikakroonika 2008: XXIX Eesti füüsikapäevad ja XXXI füüsikaõpetajate päevad, Tartu, 17-18 märts 2009. Eesti Füüsika Selts, 127−128.
5.2.
2009
Bowlan, P.; Lõhmus, M.; Piksarv, P.; Valtna-Lukner, H.; Saari, P.; Xu, L.; Schlup, P.; Masihzadeh, O.; Bartels, R. A.; Trebino, R. (2009). Measuring the complete spatio-temporal intensity and phase of complex ultrashort pulses. UltraFast Optics (UFO VII) and High Field Short Wavelength (HFSW XIII) meetings; Arcachon, France; 31.08-4.09 2009. Bordeaux, France: Université Bordeaux 1, 023-1−023-3.
5.2.
2009
Bowlan, P.; Lõhmus, M; Piksarv, P.; Valtna-Lukner, H.; Saari, P.; Trebino, R. (2009). Measuring the spatio-temporal field of diffracting ultrashort pulses. OSA Technical Digest (CD): Frontiers in Optics, 11-15 October, California, USA. FTu05.
5.2.
2009
Saari, P.; Bowlan, P.; Lukner, H.; Lõhmus, M.; Piksarv, P.; Trebino, R. (2009). Time-and-space-domain study of diffracting and “non-diffracting” light pulses. Program and Book of Abstracts Conference NORTHERN OPTICS 2009: Northern Optics 2009, 26-28 August, Vilnius, Lihtuania. 27.
5.2.
2009
Lõhmus, M; Bowlan, P.; Trebino, R.; Valtna-Lukner, H.; Piksarv, P.; Saari, P. (2009). Directly recording diffraction phenomena in time domain. Program and Book of Abstracts Conference NORTHERN OPTICS 2009: Northern Optics 2009, 26-28 August, Vilnius, Lihtuania. 47.
5.2.
2009
Saari, P.; Bowlan, P.; Lukner, H.; Lõhmus, M.; Piksarv, P.; Trebino, R. (2009). Directly recording diffraction phenomena in time domain. BOOK OF ABSTRACTS: The eighteenth annual International Laser Physics Workshop (LPHYS'09) 13-17 July 2009, Barcelona, Spain.. 29.
5.2.
2009
Bowlan, P.; Trebino, R.; Valtna-Lukner, H.; Lõhmus, M; Piksarv, P.; Saari, P. (2009). Measuring the spatiotemporal electric field of superluminal ultrashort pulses. Advanced Programme: The European Conference on Lasers and Electro-Optics and the XIth European Quantum Electronics Conference (CLEO/Europe-EQEC) 14-19 June 2009, Munich, Germany. CF6.6 THU .
6.3.
2009
Bowlan, P.; Valtna-Lukner, H.; Lõhmus, M.; Piksarv, P.; Saari, P.; Trebino, R. (2009). Measurement of the spatiotemporal electric field of ultrashort superluminal Bessel-X pulses. Optics and Photonics News, 20 (12), 42−42.
1.1.
2008
Averchi, A.; Faccio, D.; Rubino, E.; Valtna Lukner, H.; Panagiotopoulos, A; Loukakos, P. A.; Tzortzakis, S.; Couairon, A.; Di Trapani, P. (2008). Linear X-wave generation by means of Cross Phase Modulation in Kerr media. Optics Letters, 33 (24), 3028−3030.
1.1.
2008
Valtna, H.;Tamosauskas, G.; Dubietis, A.; Piskarskas, A. (2008). High energy broadband four-wave optical parametric amplification in bulk fused silica. Optics Letters, 33, 971−973 .
5.2.
2008
Dubietis, A.; Valtna, H.; Tamosauskas, G.; Piskarskas, A. (2008). Efficient ultrafast four-wave optical parametric amplification in condensed bulk media. XVI International Conference on Ultrafast Phenomena; Stresa, Italy; 9-13 June, 2008.. FRI1P.4.
1.1.
2007
Dubietis, A.; Tamošauskas, G.; Polesana, P.; Valiulis, G.; Valtna, H.; Faccio, D.; Di Trapani, P.; Piskarskas, A. (2007). Highly efficient four-wave parametric amplification in transparent bulk Kerr medium. Optics Express, 15, 11126−11132.
1.1.
2007
Valtna, H.; Reivelt, K.;Saari, P. (2007). Methods for generating wideband localized waves of superluminal group velocity. Optics Communications, 278, 1−7.
1.1.
2007
Saari, P.;Reivelt, K.;Valtna, h. (2007). Ultralocalized superluminal light pulses. Laser Physics, 17, 297−301.
1.1.
2007
Valtna, H.; Dubietis, A.; Tamošauskas, G.; Polesana, P.; Galinis, J.; Majus, D.; Valiulis, G.; Faccio, D.; Di Trapani, P.; Piskarskas, A. (2007). Efficient four-wave parametric amplification and spatial soliton generation in transparent isotropic medium with Kerr nonlinearity. Lihtuanian Journal of Physics, 47 (4), 403−410.
5.2.
2007
Valtna, H.; Dubietis, A.; Tamošauskas, G.; Polesana, P.; Galinis, J.; Majus, D.; Valiulis, G.; Faccio, D.; Di Trapani, P.; Piskarskas, A. (2007). Efficient four-wave parametric amplification and spatial soliton generation in transparent isotropic medium with Kerr nonlinearity. Lihtuanian National Physics Conference, Vilnius, Lihtuania, 11-13 June 2007. 250.
1.1.
2006
Valtna, H.; Reivelt, K.; Saari, P. (2006). Modifications of the focused X wave as suitable models of strongly localized waves for realization in the optical domain. Journal of Optics A: Pure and Applied Optics, 8 (1), 118−122.
3.1.
2006
Reivelt, K.;Valtna, H.; Saari, P. (2006). Optical generation of superluminal localized wave solutions of homogeneous wave equation. In: 2006 NORTHERN OPTICS CONFERENCE PROCEEDINGS (13−16).. IEEE-Inst Electrical Electronics Engineers Inc.
5.2.
2006
Valtna, H.; Saari, P. (2006). Novel approach for generation of superluminal localized wavefields. Technical digest: Northern Optics 2006; Bergen, Norway; June 14-16. IEEE Operations Center, 47.
5.2.
2006
Reivelt, K.; Valtna, H.; Saari, P. (2006). Optical generation of superluminal localized wave solutions of homogeneous wave equation. 83: Technical digest: Northern Optics 2006; Bergen; 14-16 June, 2006. Bergen, Norway: IEEE Operations Center,.
1.1.
2005
Saari, P.; Menert, M.; Valtna, H. (2005). Photon localization barrier can be overcome. Optics Communications, 246, 445−450.
3.4.
2002
Paris, P.; Laan, M.; Valtna, H. (2002). Laser ablation and aerosol particles. 2: Hakone VIII : International Symposium on High Pressure Low Temperature Plasma Chemistry; Pühajärve, Estonia; 21.-25.07.2002. Ed. Haljaste, T.; Plank, T. Tartu: Tartu University Press, 405−409.
7.03.2020

Heli Valtna

https://www.etis.ee/CV/Heli_Lukner/eng
1.11.1982
heli.valtna@ut.ee
C-5739-2015
The author name in publications submitted between years 2008-2019 is Heli Valtna-Lukner.

Career

Institutions and positions
22.03.2021–...   
University of Tartu, Faculty of Science and Technology, Institute of Physics, Associate Professor in Physical Optics (0,10)
01.02.2021–31.12.2023   
University of Tartu, Faculty of Science and Technology, Institute of Physics, Head of Laboratory
04.01.2021–21.03.2021   
University of Tartu, Faculty of Science and Technology, Institute of Physics, Associate Professor in Physical Optics (0,30)
01.01.2021–03.01.2021   
University of Tartu, Faculty of Science and Technology, Institute of Physics, Associate Professor in Physical Optics (1,00)
05.08.2019–31.12.2020   
University of Tartu, Faculty of Science and Technology, Institute of Physics, Senior Research Fellow in Physical Optics (1,00)
13.08.2018–04.08.2019   
University of Tartu, Faculty of Science and Technology, Institute of Physics, Senior Research Fellow in Physical Optics (0,30)
01.12.2017–12.08.2018   
University of Tartu, Faculty of Science and Technology, Institute of Physics, Senior Research Fellow in Physical Optics (1,00)
01.01.2016–30.11.2017   
University of Tartu, Faculty of Science and Technology, Institute of Physics, Senior Research Fellow in Physical Optics (1,00)
12.09.2015–11.09.2016   
Max Planck Institute for the Science of Light, post-doctoral reseacher (0,20)
12.09.2014–11.09.2015   
Max Planck Institute for the Science of Light, post-doctoral reseacher (0,40)
12.09.2014–31.12.2015   
University of Tartu, Faculty of Science and Technology (old), Institute of Physics, University of Tartu, Senior Research Fellow (1,00)
12.09.2013–11.09.2014   
University of Tartu, Faculty of Science and Technology (old), Institute of Physics, University of Tartu, Senior Research Fellow (0,40)
12.09.2013–11.09.2014   
Max Planck Institute for the Science of Light, post-doctoral reseracher (1,00)
01.12.2012–11.09.2013   
University of Tartu, Faculty of Science and Technology (old), Institute of Physics, University of Tartu, Senior Research Fellow (1,00)
17.06.2012–30.11.2012   
University of Tartu, Faculty of Science and Technology (old), Institute of Physics, University of Tartu, Research Fellow (1,00)
01.12.2010–16.06.2012   
University of Tartu, Faculty of Science and Technology (old), Institute of Physics, University of Tartu, Research Fellow (0,50)
01.07.2008–30.11.2010   
University of Tartu, Faculty of Science and Technology (old), Institute of Physics, University of Tartu, Research Fellow extraordinarius (0,50)
01.01.2008–30.06.2008   
University of Tartu, Faculty of Science and Technology (old), Dean's Office, Research Fellow extraordinarius (0,08)
01.03.2007–19.04.2008   
Vilnius University Quantum Electronics Department, junior research fellow (Marie Curie Early Stage Training project) (1,00)
01.09.2006–31.12.2007   
University of Tartu, Faculty of Physics and Chemistry, Dean's Office, Research Fellow extraordinarius (0,10)
 
 
Education
2006–2010   
PhD summa cum laude in physics, specializing to optics and spectroscopy, University of Tartu
2004–2006   
MSc in physics, University of Tartu
2000–2004   
BSc in physics, University of Tartu
1997–2000   
Tallinn Secondary School of Science
 
 
R&D related managerial and administrative work
2012−...   
Member of sicentific council of Institute of Physics, University of Tartu
2006−...   
member of Estonian Physical society
2003−2007   
member of Faculty of Phycisc and Chemistry council
2003−2007   
member of national student scholarship assignment board
 
 
Additional information
The judge and member of science team in the best educational TV show in Europe called Rakett 69 (entitled by European Broadcasting Unit in 2012) since year 2011.
Organizer and performer in physics section broadcasted as a live show in national TV morning program 2005-2006. Organizer and participant in Science Bus “Big Dipper” project in year 2005 andl 2006. The Science Bus and the physics section were awarded with Estonian Science Communication Award in 2006 and were nominated as finalist of European Descartes Science Communication prize 2007.
Teaching in University of Tartu:
- 2018 and 2019 spring semester: responsible lecturer in Optics, 6 EAP.
- 2013, 2015, 2016 spring semester: Optics, 6 ECTS, seminars
- 2016 spring and autumn semester: Project in Photonics, 6 ECTS
- 2008 spring semester: Practical Course in Physics III Optics, 4 ECTS, practical work

Qualifications

Honours & awards
2018, Heli Valtna, Nationally awarded science communicator 2017, first prize awarded for authoring "First textbook in science and technology called Füübits".
2017, Heli Valtna, Young Scientist Award by Cultural Foundation of the President 2016, Special Award for the popularisation of scientific ways of thinking
2010, Heli Valtna, Estonian National Contest for Young Scientists at university level, III Prize
2008, Heli Valtna, Delegate of Estonian Acadamy of Sciences on 58th Lindau Nobel Laureate Meeting where young scientists have opportunity to attend conference talks and discussion sessions of Nobel Prize winners. 58th meeting in 2008 was dedicated to physics.
2007, Heli Valtna, Estonina Physical Society student award
2007, Heli Valtna, Estonian National Contest for Young Scientists at university level, I Prize
2006, Heli Valtna, Estonin Academy of Sciences, II award from student research contest (for master thesis)
2004, Heli Valtna, Estonian National Contest for Young Scientists at university level, II Prize
 
 
Fields of research
ETIS CLASSIFICATION: 4. Natural Sciences and Engineering; 4.10. Physics and Technical Physics; CERCS CLASSIFICATION: P200 Electromagnetism, optics, acoustics ; SPECIFICATION: Area of expertise is in the physical optics, main focus in spatio-temporal shaping and measuring of ultrashort pulses.
ETIS CLASSIFICATION: 4. Natural Sciences and Engineering; 4.10. Physics and Technical Physics
 
 
Additional information
Consulting SwampOptics LLC on custom solutions of ultrashort optical pulse characterization devices based on FROG method.
Google Scholar https://scholar.google.com/citations?user=IPSk2D8AAAAJ&hl=en

Researcher ID: C-5739-2015
ORCID: 0000-0001-8882-233X

Projects in progress

Completed projects

Dissertations under supervision

Supervised dissertations

Publications

Category
Year
Publication
 
1.1.
2019
Ofodile, Ikechukwu; Helmi, Ahmed; Clapes, Albert; Avots, Egils; Peensoo, Kerttu Maria; Valdma, Sandhra-Mirella; Valdmann, Andreas; Valtna-Lukner, Heli; Omelkov, Sergey; Escalera, Sergio; Ozcinar, Cagri; Anbarjafari, Gholamreza (2019). Action Recognition Using Single-Pixel Time-of-Flight Detection. Entropy, 21 (4), ARTN 414. DOI: 10.3390/e21040414.
1.1.
2018
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2018). White-light hyperbolic Airy beams. Journal of Optics, 20 (9), 095605.10.1088/2040-8986/aad700.
5.2.
2018
Valdma, S.-M.; Valtna-Lukner, H. (2018). Single-mode fiber dispersion characterization from ultraboradband white light spatial-spectral interferogram. Photonics Europe, Strasbourg, 22.04-26.04.2018. SPIE.
5.2.
2018
Valdma, S.-M.; Valtna-Lukner, H. (2018). Single-shot fiber dispersion characterization with white light interferometry. Developments in Optics and Communications, Riga, 12.04-13.04.2018. University of Latvia,.
5.2.
2018
Valdma, S.-M.; Valtna-Lukner, H. (2018). Proof of Principle Measurements of Single-Mode Fiber Dispersion with White Light Interferometry. IONS Scandinavia, Copenhagen, 05.06-09.06.2018. Technical University of Denmark (DTU).
5.2.
2018
Morel, Valle; Valdma, Sandhra-Mirella; Lukner, Heli (2018). On spatial resolution of optical fiber as high resolution probe. Developments in Optics and Communications, Riga, 12.04-13.04.2018. University of Latvia, 1.
6.6.
2018
Lukner, Heli; Müürsepp, Mare (2018). Kas raamat teeb sinust teadlase? [Does a Book Make You a Scientist?]. Nukits : Eesti Lastekirjanduse Teabekeskuse lastekirjanduse ja lastekultuuri almanahh, 20−22.
1.1.
2017
Valtna-Lukner, H.; Belli, F. ; Ermolov, A;Köttig, F.; Mak, K. F.; Tani, F. ; Travers, J. C.; Russell, P. St. J. ; (2017). Extremely broadband single-shot cross-correlation frequency-resolved optical gating using a transient grating as gate and dispersive element. Review of Scientific Instruments, 88, 073106-1−073106-6.10.1063/1.4991853.
5.2.
2017
Piksarv, P.; Valdmann, A.; Valtna-Lukner, H.; Saari, P. (2017). Super- and subluminal propagation of structured light pulses. European Optical Society Topical Meeting on Diffractive Optics, Joensuu, Finland, Sept. 4-7, 2017. Ed. Setäla, T.; Turunen, J.; Wyrowsky, F.; Saastamoinen, K.; Leppänen, L.-P. University of Eastern Finland: University of Eastern Finland, 7−8.
6.4.
2017
Lukner, Heli; Müürsepp, Mare (2017). FÜÜBITS Teaduse ja tehnika esimene lugemik huvilisele lapsele. Tammerraamat.
1.1.
2016
Valtna-Lukner, Heli; Repän, Jaagup; Valdma, Sandhra-Mirella; Piksarv, Peeter (2016). Endlessly single-mode photonic crystal fiber as a high resolution probe. Applied Optics, 55 (33), 9407−9411.10.1364/AO.55.009407.
1.1.
2016
Ermolov, Alexey; Valtna-Lukner, Heli; Travers, John; Russell, Philip St.J. (2016). Characterization of few-fs deep-UV dispersive waves by ultra-broadband transient-grating XFROG. Optics Letters, 41 (23), 5535−5538.
5.2.
2016
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2016). White-Light Dispersing and Nondispersing Hyperbolic Airy Beams. 25th Annual International Laser Physics Workshop (LPHYS'16), 2016, Yerevan, Armenia, July 11-15. Yerevan Physics Institute, S1.5.
5.2.
2016
Ermolov, Alexey; Valtna-Lukner, Heli; Travers, John C.; Russell, Philip St.J. (2016). Multi-shot TG-XFROG for the characterisation of deep-UV ultrashort pulses from dispersive-wave generation in gas-lled HCPCF. Europhysics Conference Abstracts, 40 B: 7th EPS-QEOD Europhoton Conference, Vienna, Austria, 21-26 August 2016. European Physical Society, 53.
6.6.
2016
Lukner, Heli (2016). Järelkasv ja teadlaskarjäär. Kadri Raudvere (Toim.). Eesti Teadus 2016 (46−47). Tartu.
5.2.
2015
Hein, H.; Lukner, H.; Poom, A.; Puman, E.; Soomets, E.; Suija, K. (2015). Kavandatavad muudatused õppetöös [ ]. Konverentsi posterettekanded: ÕPPEJÕULT ÕPPEJÕULE 2015: KOLLEGIAALNE TAGASISIDE, 14. jaanuar 2015. Toim. Ene Voolaid. Tartu Ülikool: Tartu Ülikool, 8−8.
5.2.
2015
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2015). White-light hyperbolic Airy beams. Ultrafast Optics (UFO X), Beijing, China, August 16-21, 2015.
5.2.
2015
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2015). Propagation speed and transformation of light into Bessel and Airy pulsed fields in optical elements, as measured with single-cycle temporal resolution. Northern Optics & Photonics 2015, Lappeenranta, Finland, June 2-4, 2015. 6.
1.1.
2014
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2014). Realization of laterally nondispersing ultrabroadband Airy pulses. Optics Letters, 39 (7), 1877−1880.10.1364/OL.39.001877.
1.1.
2014
Piksarv, Peeter; Valdmann, Andreas; Valtna-Lukner, Heli; Saari, Peeter (2014). Ultrabroadband Airy light bullets. Laser Physics, 24 (8), 085301.10.1088/1054-660X/24/8/085301.
3.1.
2014
Piksarv, Peeter; Valdmann, Andreas; Valtna-Lukner, Heli; Saari, Peeter (2014). Ultrabroadband Airy light bullets. Journal of Physics Conference Series, 497 (1), 012003.10.1088/1742-6596/497/1/012003.
5.2.
2014
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Saari, Peeter (2014). Ultra-broadband dispersing and nondispersing Airy pulses. 2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Memphis Tennessee, USA, July 6-11, 2014. 402.7.
1.1.
2013
Piksarv, P.; Valdmann, A.; Valtna-Lukner, H.; Matt, R.; Saari, P. (2013). Spatiotemporal characterization of ultrabroadband Airy pulses. Optics Letters, 38 (7), 1143−1145.10.1364/OL.38.001143.
3.1.
2013
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Lõhmus, Madis; Matt, Roland; Saari, Peeter (2013). Measuring the suppression of ultrashort pulses into Airy-Bessel light bullets with almost single-cycle temporal resolution. In: M. Chergui, A. Taylor, S. Cundiff, R. de Vivie-Riedle, K. Yamagouchi (Ed.). EPJ Web of Conferences (10022). EDP Sciences.10.1051/epjconf/20134110022.
5.2.
2013
Valdmann, Andreas; Piksarv, Peeter; Valtna-Lukner, Heli; Matt, Roland; Saari, Peeter (2013). Spatio-temporal characterization of white-light Airy pulses. Ultrafast Optics (UFO IX); Davos, Switzerland; March 4-8, 2013. TuP.18.
5.2.
2013
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Matt, Roland; Saari, Peeter (2013). Optical ultra-broadband spatial spectral interferometry with single-cycle temporal resolution. Ultrafast Optics (UFO IX); Davos, Switzerland; March 4-8, 2013. TuP.15.
5.2.
2013
Piksarv, P.; Valdmann, A., Valtna-Lukner, H.; Matt, R.; Saari, P. (2013). Ultrabroadband Airy light bullets. The 22nd International Laser Physics Workshop (LPHYS'13) Prague, Czech Republic, 15-19 July 2013. 1.2.3.
5.2.
2013
Piksarv, Peeter; Valdmann, Andreas; Valtna-Lukner, Heli; Matt, Roland; Saari, Peeter (2013). Generation and Characterization of Ultrawideband Airy Pulses. The 34th Progress in Electromagnetics Research Symposium (PIERS); Stockholm, Sweden; August 12-15, 2013. 41.
1.1.
2012
Lõhmus, M.; Bowlan, P.; Piksarv, P.; Valtna-Lukner, H.; Trebino, R.; Saari, P. (2012). Diffraction of ultrashort optical pulses from circularly symmetric binary phase gratings. Optics Letters, 37 (7), 1238−1240.10.1364/OL.37.001238.
1.1.
2012
Piksarv, Peeter; Bowlan, Pamela; Lõhmus, Madis; Valtna-Lukner, Heli; Trebino, Rick; Saari, Peeter (2012). Diffraction of ultrashort Gaussian pulses within the framework of boundary diffraction wave theory. Journal of Optics, 14 (1), 015701.10.1088/2040-8978/14/1/015701.
1.1.
2012
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Lõhmus, Madis; Matt, Roland; Saari, Peeter (2012). Temporal focusing of ultrashort pulsed Bessel beams into Airy–Bessel light bullets. Optics Express, 20 (15), 17220−17229.10.1364/OE.20.017220.
3.1.
2012
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Lõhmus, Madis; Matt, Roland; Saari, Peeter (2012). Measuring the temporal focusing of ultrashort Airy-Bessel wave packets. IEEE Photonics Conference (IPC); Burlingame, CA, USA; 23-27 Sept. 2012. IEEE Conference Publications, 497−498.10.1109/IPCon.2012.6358710.
3.4.
2012
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Lõhmus, Madis; Matt, Roland; Saari, Peeter (2012). Measuring the Suppression of Ultrashort Pulses into Airy-Bessel Light Bullets with Almost Single-Cycle Temporal Resolution. Europhysics Conference Abstracts, 36B: XVIIIth International Conference on Ultrafast Phenomena, Lausanne, Switzerland, 8-13 July 2012. European Physical Society,.
3.4.
2012
Saari, Peeter; Bowlan, Pamela; Valtna-Lukner, Heli; Lõhmus, Madis; Piksarv, Peeter; Trebino, Rick (2012). Complete Spatiotemporal Measurement of Bessel-X Pulses and Other Ultrafast Diffraction Phenomena. Europhysics Conference Abstracts, 36B: XVIIIth International Conference on Ultrafast Phenomena, Lausanne, Switzerland, 8-13 July 2012. European Physical Society,.
5.2.
2012
Piksarv, Peeter; Valtna-Lukner, Heli; Valdmann, Andreas; Lõhmus, Madis; Matt, Roland; Saari, Peeter (2012). Suppression of temporal spread of ultrashort pulses using Airy-Bessel light bullets. Northern Optics; Snekkersten, Denmark; 19-21 November 2012.
5.2.
2012
Piksarv, Peeter; Lõhmus, Madis; Valtna-Lukner, Heli; Bowlan, Pamela; Trebino, Rick; Saari, Peeter (2012). Time-domain measurement of diffraction phenomena. 8th EOS Topical Meeting on Diffractive Optics (DO 2012); Delft, Netherlands; 27 February - 1 March 2012. European Optical Society, 4871.
3.1.
2011
Piksarv, P.; Bowlan, P.; Lõhmus, M.; Valtna-Lukner, H.; Trebino, R.; Saari, P. (2011). Propagation of ultrashort pulses behind diffracting screens. Proc. of SPIE, 8011: 22nd Congress of ICO: Light for the Development of the World, Puebla, Mexico, Aug. 15-19, 2011. Ed. Rodriguez-Vera, R. SPIE, 801131-1−801131-10.10.1117/12.901670.
5.2.
2011
Saari, P.; Bowlan, P.; Valtna-Lukner, H.; Lõhmus, M.; Piksarv, P.; Trebino, R. (2011). X-type localized waves in femtosecond optics. Ultrafast Optics, UFO VIII, September 26-30, 2011, Monterey, United States. 229−230.
5.2.
2011
Piksarv, P.; Bowlan, P.; Lõhmus, M.; Valtna-Lukner, H.; Trebino, R.; Saari, P. (2011). Propagation of ultrashort pulses behind diffracting screens. Abstracts Book: 22nd Congress of ICO: Light for the Development of the World; Puebla, Mexico; Aug. 15-19, 2011. Ed. Rodriguez-Vera, R.; Diaz-Uribe, R. 298−298.
1.1.
2010
Saari, P.; Bowlan, P.; Valtna-Lukner, H.; Lõhmus, M.; Piksarv, P.; Trebino, R. (2010). Directly Recording Diffraction Phenomena in Time Domain. Laser Physics, 20 (5), 948−953.10.1134/S1054660X10090021.
1.1.
2010
Saari, P.; Bowlan, P.; Valtna-Lukner, H.; Lõhmus, M.; Piksarv, P.; Trebino, R. (2010). Time-and-space-domain study of diffracting and non-diffracting light pulses. Lithuanian Journal of Physics, 50 (1), 121−127.10.3952/lithjphys.50108.
1.1.
2010
Lõhmus, M.; Bowlan, P.; Trebino, R.; Valtna-Lukner, H.; Piksarv, P.; Saari, P. (2010). Directly recording diffraction phenomena in the time domain. Lithuanian Journal of Physics, 50 (1), 69−74.10.3952/lithjphys.50105.
1.1.
2010
Saari, Peeter; Bowlan, Pamela; Valtna-Lukner, Heli; Lõhmus, Madis; Piksarv, Peeter; Trebino, Rick (2010). Basic diffraction phenomena 
in time domain. Optics Express, 18 (11), 11083−11088.10.1364/OE.18.011083.
2.3.
2010
Valtna-Lukner, H. (2010). Superluminally propagating localized optical pulses. (Doktoritöö, Tartu Ülikool). Tartu: Tartu Ülikooli Kirjastus.
5.2.
2010
Bowlan, P.; Piksarv, P.; Lukner, H.; Lõhmus, M.; Trebino, R.; Saari, P. (2010). High-resolution spatiotemporal measurement of the electric field of diffracting and non-diffracting ultrashort pulses. In: 5th EOS Topical Meeting on Advanced Imaging Techniques (001−002).. European Optical Society.
5.2.
2010
Piksarv, P.; Valtna-Lukner, H.; Lõhmus, M.; Saari, P.; Bowlan, P.; Trebino, R. (2010). Ülilühikeste valgusimpulsside difraktsioon - tuttav probleem uues kuues. Eesti Füüsika Seltsi aastaraamat 2009: XL Eesti füüsikapäevad ja XXXII füüsikaõpetajate päevad, Tartu, Tartu, 22-23 märts 2010. Toim. Aret, A.; Kaasik, H.; Kuusk, P. 137.
5.2.
2010
Bowlan, P.; Lõhmus, M.; Piksarv, P.; Valtna-Lukner, H.; Saari, P.; Trebino, R. (2010). High-resolution spatiotemporal measurement of the electric field of diffracting and non-diffracting ultrashort pulses. OSA Technical Digest (CD): 17th International Conference on Ultrafast Phenomena (UP) July 18-23 2010. Ed. Optical Society of America, 2010. ThE20.
1.1.
2009
Valtna-Lukner, Heli; Bowlan, Pamela; Lõhmus, Madis; Piksarv, Peeter; Trebino, Rick; Saari, Peeter (2009). Direct spatiotemporal measurements of accelerating ultrashort Bessel-type light bullets. Optics Express, 17, 14948−14955. DOI: 10.1364/OE.17.014948.
1.1.
2009
Bowlan, P.; Valtna-Lukner, H.; Lõhmus, M.; Piksarv, P.; Saari, p.; Trebino, R. (2009). Measurement of the spatio-temporal field of ultrashort Bessel-X pulses. Optics Letters, 34 (15), 2276−2278.
3.1.
2009
Dubietis, A.; Valtna, H.; Tamošauskas, G.; Darginavičius, J.; Piskarskas, A. (2009). Efficient ultrafast four-wave optical parametric amplification in condensed bulk media. In: Corkum, Paul; De Silvestri, Sandro; Nelson, Keith A.; Riedle, Eberhard; Schoenlein, Robert W. (Ed.). Ultrafast Phenomena XVI Proceedings of the 16th International Conference; Palazzo dei Congressi Stresa, Italy; June 9--13, 2008 (792−794).. Springer. (Springer Series in Chemical Physics; 92).
3.1.
2009
Bowlan, P.; Trebino, R.; Lukner, H.; Lõhmus, M; Piksarv, P.; Saari, P. (2009). Directly measuring the spatiotemporal electric field of ultrashort Bessel-X pulses. OSA Technical Digest (CD), 1-5: The Conference on Lasers and Electro-Optics (CLEO) and The International Quantum Electronics Conference (IQEC); Baltimore, Maryland, USA; May 31 – June 5, 2009. 1199−1200.
5.2.
2009
Valtna-Lukner, H.; Lõhmus, M; Piksarv, P.; Saari, P.; Bowlan, P.; Trebino, R. (2009). Valgusimpulsside difraktsiooni ja ülevalguskiirusega levi uurimine femtosekundilise ajalise ja mikromeetrilise ruumilise lahutusega. Füüsikakroonika 2008: XXIX Eesti füüsikapäevad ja XXXI füüsikaõpetajate päevad, Tartu, 17-18 märts 2009. Eesti Füüsika Selts, 127−128.
5.2.
2009
Bowlan, P.; Lõhmus, M.; Piksarv, P.; Valtna-Lukner, H.; Saari, P.; Xu, L.; Schlup, P.; Masihzadeh, O.; Bartels, R. A.; Trebino, R. (2009). Measuring the complete spatio-temporal intensity and phase of complex ultrashort pulses. UltraFast Optics (UFO VII) and High Field Short Wavelength (HFSW XIII) meetings; Arcachon, France; 31.08-4.09 2009. Bordeaux, France: Université Bordeaux 1, 023-1−023-3.
5.2.
2009
Bowlan, P.; Lõhmus, M; Piksarv, P.; Valtna-Lukner, H.; Saari, P.; Trebino, R. (2009). Measuring the spatio-temporal field of diffracting ultrashort pulses. OSA Technical Digest (CD): Frontiers in Optics, 11-15 October, California, USA. FTu05.
5.2.
2009
Saari, P.; Bowlan, P.; Lukner, H.; Lõhmus, M.; Piksarv, P.; Trebino, R. (2009). Time-and-space-domain study of diffracting and “non-diffracting” light pulses. Program and Book of Abstracts Conference NORTHERN OPTICS 2009: Northern Optics 2009, 26-28 August, Vilnius, Lihtuania. 27.
5.2.
2009
Lõhmus, M; Bowlan, P.; Trebino, R.; Valtna-Lukner, H.; Piksarv, P.; Saari, P. (2009). Directly recording diffraction phenomena in time domain. Program and Book of Abstracts Conference NORTHERN OPTICS 2009: Northern Optics 2009, 26-28 August, Vilnius, Lihtuania. 47.
5.2.
2009
Saari, P.; Bowlan, P.; Lukner, H.; Lõhmus, M.; Piksarv, P.; Trebino, R. (2009). Directly recording diffraction phenomena in time domain. BOOK OF ABSTRACTS: The eighteenth annual International Laser Physics Workshop (LPHYS'09) 13-17 July 2009, Barcelona, Spain.. 29.
5.2.
2009
Bowlan, P.; Trebino, R.; Valtna-Lukner, H.; Lõhmus, M; Piksarv, P.; Saari, P. (2009). Measuring the spatiotemporal electric field of superluminal ultrashort pulses. Advanced Programme: The European Conference on Lasers and Electro-Optics and the XIth European Quantum Electronics Conference (CLEO/Europe-EQEC) 14-19 June 2009, Munich, Germany. CF6.6 THU .
6.3.
2009
Bowlan, P.; Valtna-Lukner, H.; Lõhmus, M.; Piksarv, P.; Saari, P.; Trebino, R. (2009). Measurement of the spatiotemporal electric field of ultrashort superluminal Bessel-X pulses. Optics and Photonics News, 20 (12), 42−42.
1.1.
2008
Averchi, A.; Faccio, D.; Rubino, E.; Valtna Lukner, H.; Panagiotopoulos, A; Loukakos, P. A.; Tzortzakis, S.; Couairon, A.; Di Trapani, P. (2008). Linear X-wave generation by means of Cross Phase Modulation in Kerr media. Optics Letters, 33 (24), 3028−3030.
1.1.
2008
Valtna, H.;Tamosauskas, G.; Dubietis, A.; Piskarskas, A. (2008). High energy broadband four-wave optical parametric amplification in bulk fused silica. Optics Letters, 33, 971−973 .
5.2.
2008
Dubietis, A.; Valtna, H.; Tamosauskas, G.; Piskarskas, A. (2008). Efficient ultrafast four-wave optical parametric amplification in condensed bulk media. XVI International Conference on Ultrafast Phenomena; Stresa, Italy; 9-13 June, 2008.. FRI1P.4.
1.1.
2007
Dubietis, A.; Tamošauskas, G.; Polesana, P.; Valiulis, G.; Valtna, H.; Faccio, D.; Di Trapani, P.; Piskarskas, A. (2007). Highly efficient four-wave parametric amplification in transparent bulk Kerr medium. Optics Express, 15, 11126−11132.
1.1.
2007
Valtna, H.; Reivelt, K.;Saari, P. (2007). Methods for generating wideband localized waves of superluminal group velocity. Optics Communications, 278, 1−7.
1.1.
2007
Saari, P.;Reivelt, K.;Valtna, h. (2007). Ultralocalized superluminal light pulses. Laser Physics, 17, 297−301.
1.1.
2007
Valtna, H.; Dubietis, A.; Tamošauskas, G.; Polesana, P.; Galinis, J.; Majus, D.; Valiulis, G.; Faccio, D.; Di Trapani, P.; Piskarskas, A. (2007). Efficient four-wave parametric amplification and spatial soliton generation in transparent isotropic medium with Kerr nonlinearity. Lihtuanian Journal of Physics, 47 (4), 403−410.
5.2.
2007
Valtna, H.; Dubietis, A.; Tamošauskas, G.; Polesana, P.; Galinis, J.; Majus, D.; Valiulis, G.; Faccio, D.; Di Trapani, P.; Piskarskas, A. (2007). Efficient four-wave parametric amplification and spatial soliton generation in transparent isotropic medium with Kerr nonlinearity. Lihtuanian National Physics Conference, Vilnius, Lihtuania, 11-13 June 2007. 250.
1.1.
2006
Valtna, H.; Reivelt, K.; Saari, P. (2006). Modifications of the focused X wave as suitable models of strongly localized waves for realization in the optical domain. Journal of Optics A: Pure and Applied Optics, 8 (1), 118−122.
3.1.
2006
Reivelt, K.;Valtna, H.; Saari, P. (2006). Optical generation of superluminal localized wave solutions of homogeneous wave equation. In: 2006 NORTHERN OPTICS CONFERENCE PROCEEDINGS (13−16).. IEEE-Inst Electrical Electronics Engineers Inc.
5.2.
2006
Valtna, H.; Saari, P. (2006). Novel approach for generation of superluminal localized wavefields. Technical digest: Northern Optics 2006; Bergen, Norway; June 14-16. IEEE Operations Center, 47.
5.2.
2006
Reivelt, K.; Valtna, H.; Saari, P. (2006). Optical generation of superluminal localized wave solutions of homogeneous wave equation. 83: Technical digest: Northern Optics 2006; Bergen; 14-16 June, 2006. Bergen, Norway: IEEE Operations Center,.
1.1.
2005
Saari, P.; Menert, M.; Valtna, H. (2005). Photon localization barrier can be overcome. Optics Communications, 246, 445−450.
3.4.
2002
Paris, P.; Laan, M.; Valtna, H. (2002). Laser ablation and aerosol particles. 2: Hakone VIII : International Symposium on High Pressure Low Temperature Plasma Chemistry; Pühajärve, Estonia; 21.-25.07.2002. Ed. Haljaste, T.; Plank, T. Tartu: Tartu University Press, 405−409.
7.03.2020

Otsi projekti

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ProgrammLiikNumberNimiProjekti algusProjekti lõppVastutav täitjaAsutusFinantseerijapoolne rahastamine
1.2.3.4.MLTFY19532R ERA Chair arvutuslik kuva ning kujutise töölemine kõrge lahutusega01.10.201930.09.2024Heli ValtnaTartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut2 499 818,75 EUR
PUT; PUT_SPPUT1075Fotoonsete struktuuride modelleerimine, karakteriseerimine ja nende ajalis-ruumilise koste kujundamine01.01.201631.12.2020Heli ValtnaTartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut163 200,00 EUR
SFSF0382146s02Laserfüüsika ja laseroptilised tehnoloogiad01.01.200231.12.2006Peeter SaariTartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut668 132,38 EUR
ETFETF7870Lineaarsete ja mittelineaarsete lokaliseeritud lainete femtosekund-optika01.01.200931.12.2013Peeter SaariTartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut; Tartu Ülikool, Loodus- ja tehnoloogiateaduskond83 492,54 EUR
ETFETF6547Lokaliseeritud lained ülikiir- ja kvantoptikas 01.01.200531.12.2008Peeter SaariTartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut; Tartu Ülikool, Loodus- ja tehnoloogiateaduskond45 790,83 EUR
TKTK124Mittelineaarsete protsesside analüüsi keskus01.01.201131.12.2015Jüri EngelbrechtTallinna Tehnikaülikool, TTÜ Küberneetika Instituut; Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut2 729 927,47 EUR
MUU; 1.2.3.4.MLOFY15095Optiliste kiudude disperisooni mõõtmine EURAMET'i projekti 14IND13 "Metrology for the photonics industry - optical fibres, waveguides and applications" raames01.09.201531.08.2018Heli ValtnaTartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut; Tartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut80 438,00 EUR
NSPNSP153Rakendusuuring kaugjuhitavate sõidukite juhtimisabi ning turvalisuse funktsioonide jaoks oluliste sensorite ja tarkvaraalgoritmide süsteemi arendamiseks01.05.201830.04.2021Kristel MikkorAS Milrem1 999 200,00 EUR
2.1.1.LLTFY18079Taustauuring kaardistamaks teadus-ja arendustegevuse rahastamise võimalusi Tellija osutatud valdkonnas15.01.201828.02.2019Heli ValtnaTartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut4 000,00 EUR
2.1.1.LLTFY17522Taustauuring olemasolevate ID pitsati lahenduste vallas07.08.201731.05.2018Heli ValtnaTartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut3 000,00 EUR
PUT; PUT_OPPUT369Uut tüüpi mittedifrageeruvate ja kiirenevate valgusimpulsside ja nende rakendusvõimaluste otsing01.01.201431.12.2017Peeter SaariTartu Ülikool, Loodus- ja täppisteaduste valdkond, füüsika instituut259 200,00 EUR
SFSF0180073s07Uute optika- ja spektroskoopiameetodite arendamine ja rakendamine materjali- ja plasmauuringutes 01.01.200731.12.2012Peeter SaariTartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Füüsika Instituut788 091,85 EUR