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Proceedings Paper

Shearing interference diagnosis of laser-induced vapor plume
Author(s): Yonghua Yuan; Changling Liu
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Paper Abstract

Characterizations of the vapor plume from a LY12 aluminum target irradiated by a focused normal mode pulsed Nd:glass laser beam have been studied by a plate shearing interferometer and high speed photography. The frame photos show that the speeds of the shock wave around the air are approximately treble that of the vapor plume front. At different sections (z), the refractive indexes are calculated with the Abel inversion, the electron density is about 7 X 1017 cm-3, the electron temperature is about 6,700 K by means of the saha equations.

Paper Details

Date Published: 1 January 1992
PDF: 6 pages
Proc. SPIE 1553, Laser Interferometry IV: Computer-Aided Interferometry, (1 January 1992); doi: 10.1117/12.135350
Show Author Affiliations
Yonghua Yuan, Southwest Institute of Fluid Physics (China)
Changling Liu, Southwest Institute of Fluid Physics (China)

Published in SPIE Proceedings Vol. 1553:
Laser Interferometry IV: Computer-Aided Interferometry
Ryszard J. Pryputniewicz, Editor(s)

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