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Proceedings Paper

Streak camera diagnostic of femtosecond laser spark
Author(s): Sergei V. Garnov; Vitali I. Konov; V. I. Lozovoi; Alexander A. Malyutin; Mikhail Ya. Schelev; Nikolai S. Vorobiev
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Paper Abstract

We report on time-resolved spectroscopy of femtosecond laser plasma with the use of ultrafast streak cameras. Laser spark was excited in air, nitrogen, argon or helium by tightly focused Ti: sapphire 130 fs, 1mJ, 800 nm single laser pulses. Maximum laser radiation intensity in the focal point was up to 2.5x1017 W/cm2. The time behavior of laser plasma continuum, tabulated spectral lines as well as the second and third harmonics were observed with pico-femtosecond time resolution. We believe that the second harmonic generation in femtosecond laser spark was recorded for the first time.

Paper Details

Date Published: 17 March 2005
PDF: 6 pages
Proc. SPIE 5580, 26th International Congress on High-Speed Photography and Photonics, (17 March 2005); doi: 10.1117/12.571805
Show Author Affiliations
Sergei V. Garnov, A.M. Prokhorov General Physics Institute (Russia)
Vitali I. Konov, A.M. Prokhorov General Physics Institute (Russia)
V. I. Lozovoi, A.M. Prokhorov General Physics Institute (Russia)
Alexander A. Malyutin, A.M. Prokhorov General Physics Institute (Russia)
Mikhail Ya. Schelev, A.M. Prokhorov General Physics Institute (Russia)
Nikolai S. Vorobiev, A.M. Prokhorov General Physics Institute (Russia)


Published in SPIE Proceedings Vol. 5580:
26th International Congress on High-Speed Photography and Photonics
Dennis L. Paisley; Stuart Kleinfelder; Donald R. Snyder; Brian J. Thompson, Editor(s)

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