Broadband optical detection of ultrasound by optical sideband stripping with a confocal Fabry–Perot
- 16 October 1989
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 55 (16) , 1612-1614
- https://doi.org/10.1063/1.102235
Abstract
A method which allows broadband optical detection of ultrasound with large étendue from a scattering surface is presented. The wave scattered by the surface interferes with a reference wave which is derived from the scattered wave after stripping it from its optical sidebands by a confocal resonator. Simple implementation by a confocal Fabry–Perot used in reflection is explained and demonstrated experimentally.Keywords
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