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Proceedings Paper

Nondestructive picosecond ultrasonic characterization of Mo/Si multilayers using a novel pump-probe scheme
Author(s): Nen-Wen Pu; Seongtae Jeong; Rian Zhao; Jeffrey Bokor
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Paper Abstract

We have used picosecond ultrasonics techniques to study the localized surface vibrations in Mo/Si multilayers. Two band- gap modes were simultaneously detected using a new alternating pumps scheme, which has been demonstrated to enhance the signal-to-noise ratio by 10 dB.

Paper Details

Date Published: 19 July 1999
PDF: 2 pages
Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); doi: 10.1117/12.355075
Show Author Affiliations
Nen-Wen Pu, Univ. of California/Berkeley (United States)
Seongtae Jeong, Lawrence Berkeley National Lab. (United States)
Rian Zhao, Univ. of California/Berkeley (United States)
Jeffrey Bokor, Univ. of California/Berkeley (United States)

Published in SPIE Proceedings Vol. 3749:
18th Congress of the International Commission for Optics
Alexander J. Glass; Joseph W. Goodman; Milton Chang; Arthur H. Guenther; Toshimitsu Asakura, Editor(s)

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