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Pis'ma v Zh. Èksper. Teoret. Fiz., 2009, Volume 89, Issue 4, Pages 194–197 (Mi jetpl361)  

ATOMS, SPECTRA, RADIATIONS

Spectral and temporal analysis of ultrashort ultraviolet pulses generated by high-intensity laser radiation in the atmosphere

I. V. Fedotovab, A. B. Fedotovab, A. M. Zheltikovab

a International Laser Center of Moscow State University
b M. V. Lomonosov Moscow State University, Faculty of Physics

Abstract: We report direct spectral and temporal characterization of ultrashort ultraviolet (UV) pulses resulting from third-harmonic generation by high-intensity Ti: sapphire laser radiation in the atmosphere. The experimental technique implemented in this work enables the measurement of the pulse width and the chirp of the UV field, as well as the electron density of the plasma produced by laser pulses. The bandwidth of the third harmonic generated in our experiments by laser pulses with an initial pulse width of 45 fs supports transform-limited UV pulses as short as 30 fs.

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English version:
Journal of Experimental and Theoretical Physics Letters, 2009, 89:4, 170–173

Bibliographic databases:

PACS: 42.65.Wi, 42.81.Qb
Received: 11.01.2009

Citation: I. V. Fedotov, A. B. Fedotov, A. M. Zheltikov, “Spectral and temporal analysis of ultrashort ultraviolet pulses generated by high-intensity laser radiation in the atmosphere”, Pis'ma v Zh. Èksper. Teoret. Fiz., 89:4 (2009), 194–197; JETP Letters, 89:4 (2009), 170–173

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