Výsledky vyhledávání - "V. Vaičaitis"

Akademický článek

Beam-distortion enhanced terahertz radiation generation in air

Publikováno v: Results in Physics, Vol 42, Iss , Pp 105985- (2022)

Here we for the first time report an enhancement of terahertz (THz) radiation generation in air by a partial blocking of bichromatic pump beam consisting of the femtosecond Ti:Sapphire laser fundamental and its second harmonic. Both the experimental

Externí odkaz: https://doaj.org/article/e9f14e86ec394805bf8d2dbe4b0f662a

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Akademický článek

Terahertz pulse generation by two-color laser fields with circular polarization

Autor: C Tailliez, A Stathopulos, S Skupin, D Buožius, I Babushkin, V Vaičaitis, L Bergé

Publikováno v: New Journal of Physics, Vol 22, Iss 10, p 103038 (2020)

We study the influence of the polarization states of ionizing femtosecond two-color pulses on the emitted terahertz radiation in gases. A local-current model and plane-wave evaluations justify the previously-reported impact on the THz energy yield

Externí odkaz: https://doaj.org/article/5d931c01d48b44589747a582dc85074d

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Emission of conical THz radiation induced by bichromatic pumpXwaves in an air plasma

Autor: D. Buožius, B. Motiejūnas, V. Vaičaitis, V. Tamulienė

Publikováno v: Physical Review A. 105

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cef259249008fcaea20831a5b6a98960
https://doi.org/10.1103/physreva.105.023521

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Akademický článek

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Akademický článek

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Terahertz pulse generation by multi-color laser fields with linear vs. circular polarization

Autor: Ihar Babushkin, V. Vaičaitis, D. Buozius, A. Stathopulos, C. Tailliez, Stefan Skupin, Luc Bergé

Publikováno v: 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Jun 2021, Munich (virtual), Germany. ⟨10.1109/CLEO/Europe-EQEC52157.2021.9542046⟩

Terahertz (THz) radiation produced by ultrafast laser sources has recently become a hot topic with many innovative applications in molecular spectroscopy, medical imaging or homeland security [1] . Efficient THz emitters can be obtained by focusing i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77948e56de3b85ca7b5a7c2c58193228
https://hal.archives-ouvertes.fr/hal-03363504

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Terahertz pulse generation by two-color laser fields with circular polarization

Autor: Ihar Babushkin, C. Tailliez, V. Vaičaitis, Stefan Skupin, Luc Bergé, Danas Buožius, A. Stathopulos

Publikováno v: New Journal of Physics 22 (2020), Nr. 10
New journal of physics, Bristol : IOP Publishing Ltd, 2020, vol. 22, art. no.103038, p. [1-18]
New Journal of Physics
New Journal of Physics, 2020, 22 (10), pp.103038. ⟨10.1088/1367-2630/abb863⟩
New Journal of Physics, Institute of Physics: Open Access Journals, 2020, 22 (10), pp.103038. ⟨10.1088/1367-2630/abb863⟩
New Journal of Physics, Institute of Physics: Open Access Journals, 2020, 22 (10), ⟨10.1088/1367-2630/abb863⟩

We study the influence of the polarization states of femtosecond two-color pulses ionizing gases on the emitted terahertz radiation. A local-current model and plane-wave evaluations justify the previously-reported impact on the THz energy yield and a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::626cc22dbfd13e1938b2eccb3cd67fdd
http://arxiv.org/abs/2007.08191

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Temporal and spatial properties of plasma induced by infrared femtosecond laser pulses in air

Autor: O Balachninaitė, J Skruibis, A Matijošius, V Vaičaitis

Publikováno v: Plasma Sources Science and Technology. 31:045001

Space and time-resolved electron density and temperature of the plasma, created in air by focused femtosecond laser pulses have been investigated as a function of the pump pulse energy and duration. For the air ionization the infrared (1030 nm) femto

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10393dfaa9c74305456e348d120a6655
https://doi.org/10.1088/1361-6595/ac5c62

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