Observation of breakdown induced by CO2 laser focusing in an in-tube laser propulsion configuration

Akihiro Sasoh; Djameel Ramjaun; Yuichiro Hamate; Kazuyoshi Takayama

doi:10.1117/12.424243

17 April 2001 Observation of breakdown induced by CO₂ laser focusing in an in-tube laser propulsion configuration

Akihiro Sasoh, Djameel Ramjaun, Yuichiro Hamate, Kazuyoshi Takayama

Proceedings Volume 4183, 24th International Congress on High-Speed Photography and Photonics; (2001) https://doi.org/10.1117/12.424243
Event: 24th International Congress on High-Speed Photography and Photonics, 2000, Sendai, Japan

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.

Citation Download Citation

Akihiro Sasoh, Djameel Ramjaun, Yuichiro Hamate, and Kazuyoshi Takayama "Observation of breakdown induced by CO₂ laser focusing in an in-tube laser propulsion configuration", Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); https://doi.org/10.1117/12.424243

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