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Proceedings Paper

Picosecond laser studies of anomalous ultrasonic sound damping in optical filter glasses
Author(s): Xiao Fan Cao; Robert W. Hellwarth
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Paper Abstract

We used picosecond degenerate four-wave mixing technique to study acoustic properties of the laser induced ultrasonic sound wave in optical filter glasses. Ultrasonic velocity and absorption were measured over the frequency range of (100 MHz -20 GHz) we found the frequency dependence of the acoustic absorption in these filter glass are in quantitative disagreement with the prediction of the two-level system relaxation model. In additional to sound velocity and absorption coefficients various of photoelastic and thermal optical constants of the optical glass materials can be determined accurately by this method.

Paper Details

Date Published: 1 October 1990
PDF: 10 pages
Proc. SPIE 1327, Properties and Characteristics of Optical Glass II, (1 October 1990); doi: 10.1117/12.22526
Show Author Affiliations
Xiao Fan Cao, Univ. of Southern California (United States)
Robert W. Hellwarth, Univ. of Southern California (United States)

Published in SPIE Proceedings Vol. 1327:
Properties and Characteristics of Optical Glass II
Alexander J. Marker III, Editor(s)

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