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Proceedings Paper

Observation of breakdown induced by CO2 laser focusing in an in-tube laser propulsion configuration
Author(s): Akihiro Sasoh; Djameel Ramjaun; Yuichiro Hamate; Kazuyoshi Takayama
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Paper Abstract

Time-resolved spectroscopy using a combination of a monochromator, streak camera, image intensifier and CCD camera is conducted to investigate the radiative flow field generated in the in-tube laser propulsion configuration. A 5-J CO2 TEA laser beam is focused through a specially-designed, double- reflection optical system in atmospheric air. Radiation emission in the wavelength range of 320 to 850 nm is observed during a typical period of 10 microseconds.

Paper Details

Date Published: 17 April 2001
PDF: 8 pages
Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); doi: 10.1117/12.424243
Show Author Affiliations
Akihiro Sasoh, Tohoku Univ. (Japan)
Djameel Ramjaun, Tohoku Univ. (Japan)
Yuichiro Hamate, Tohoku Univ. (Japan)
Kazuyoshi Takayama, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 4183:
24th International Congress on High-Speed Photography and Photonics
Kazuyoshi Takayama; Tsutomo Saito; Harald Kleine; Eugene V. Timofeev, Editor(s)

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