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Proceedings Paper

Dissipative processes in laser-induced electrostrictive gratings
Author(s): Walter Hubschmid; Bernd Hemmerling; A. Stampanoni-Panariello
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Paper Abstract

The combined effect of electrostriction and radiative absorption in the formation of laser induced gratings in fluids is calculated. For pure electrostrictive gratings, the reflectivity is a damped oscillation with alternately higher and lower maxima. The damping is determined by viscosity and heat transfer. The normalized difference in height is determined by the thermal conductivity of the medium. Therefore, in principle, a separate determination of viscosity and thermal conductivity is possible. Measurements have been performed in the nonresonant or pure electrostrictive domain for argon and nitrogen.

Paper Details

Date Published: 10 May 1996
PDF: 7 pages
Proc. SPIE 2797, Nonlinear Spectroscopy and Ultrafast Phenomena, (10 May 1996); doi: 10.1117/12.239786
Show Author Affiliations
Walter Hubschmid, Paul Scherrer Institut (Switzerland)
Bernd Hemmerling, Paul Scherrer Institut (Switzerland)
A. Stampanoni-Panariello, Paul Scherrer Institut (Switzerland)


Published in SPIE Proceedings Vol. 2797:
Nonlinear Spectroscopy and Ultrafast Phenomena
Vladimir V. Shuvalov; Alexei M. Zheltikov, Editor(s)

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