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Proceedings Paper

Holographic and grating reference structures for enhanced detection of surface acoustic waves
Author(s): Truman D. Black; Don A. Larson
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Paper Abstract

The coherent intermodulation of the spatial phases of a stationary holographic grating with a separated traveling surface acoustic wave modulates the intensity in the resulting diffracted orders of a probing laser beam. The detected signal in the m equals 0 and higher diffracted orders contains information about both the stationary and traveling grating structures. For the `tuned' condition, where both grating periods are nearly the same, the detected intensity modulation is at the same frequency as the surface acoustic wave. We have analyzed this double grating interaction and discuss its inherent sensitivity and enhanced selectivity.

Paper Details

Date Published: 2 March 1993
PDF: 12 pages
Proc. SPIE 1732, Holographics International '92, (2 March 1993); doi: 10.1117/12.140397
Show Author Affiliations
Truman D. Black, Univ. of Texas/Arlington (United States)
Don A. Larson, Univ. of Texas/Arlington (United States)


Published in SPIE Proceedings Vol. 1732:
Holographics International '92

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