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Proceedings Paper

Ripple growth of laser beam propagating in the multilevel photoionization system
Author(s): Yasushi Takizawa; Ryota Murakami; Koji Nagasaka; Keiji Nomaru; Yasukazu Izawa
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Paper Abstract

Spatial near-resonant effects on laser beam propagation in a multilevel photoionization system have been studied by 2D simulation. It was found that the initial amplitude of nonuniformity grows up during the propagation, which degrades the photoionization rate of the target atom. The spatial effects become large for the longer incident laser pulse. A semi-analytical formula to analyze the growth of nonuniformity in the multilevel photoionization system was derived.

Paper Details

Date Published: 11 January 2000
PDF: 9 pages
Proc. SPIE 3886, High-Power Lasers in Energy Engineering, (11 January 2000); doi: 10.1117/12.375091
Show Author Affiliations
Yasushi Takizawa, Osaka Univ. (Japan)
Ryota Murakami, Osaka Univ. (Japan)
Koji Nagasaka, Osaka Univ. (Japan)
Keiji Nomaru, Osaka Univ. (Japan)
Yasukazu Izawa, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 3886:
High-Power Lasers in Energy Engineering
Kunioki Mima; Gerald L. Kulcinski; William J. Hogan, Editor(s)

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