Laser interactions in fluid materials: laser-induced cavitation in liquid nitrogen and the possibility of environmental gas decomposition by laser

Kazuo Maeno; Hitoshi Sato; Christophe Prat; Seiichi Endo

doi:10.1117/12.334417

22 December 1998 Laser interactions in fluid materials: laser-induced cavitation in liquid nitrogen and the possibility of environmental gas decomposition by laser

Kazuo Maeno, Hitoshi Sato, Christophe Prat, Seiichi Endo

Author Affiliations +

Proceedings Volume 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference; (1998) https://doi.org/10.1117/12.334417
Event: Twelfth International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, 1998, St. Petersburg, Russian Federation

Abstract

Studies on some laser interactions to fluid materials are presented. Firstly, pulsed-laser-induced cavitation bubble in liquid nitrogen is investigated by YAG laser irradiation. High speed schlieren photographs by Imacon-790 are taken to observe the laser-induced bubble dynamics. Bubble and solid wall interactions are also investigated. Based on the results obtained, a novel laser surface processing technology using the pulse-laser-induced cavitation bubbles is secondly proposed. Furthermore, discussing by the fundamental results of the experiment of laser-gas molecular absorption, the possibility of decomposition of environmental gases by CW CO₂ laser irradiation is also studied.

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Kazuo Maeno, Hitoshi Sato, Christophe Prat, and Seiichi Endo "Laser interactions in fluid materials: laser-induced cavitation in liquid nitrogen and the possibility of environmental gas decomposition by laser", Proc. SPIE 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (22 December 1998); https://doi.org/10.1117/12.334417

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