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Optical acoustic detector based on a fiber Fabry-Perot interferometer

Park, H.S. and Thursby, G.J. and Culshaw, B. (2005) Optical acoustic detector based on a fiber Fabry-Perot interferometer. Applied Optics, 44 (4). pp. 489-492. ISSN 1559-128X

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Abstract

We describe a novel optical acoustic detector based on a bias-controlled fiber Fabry-Perot interferometer. The detector has a broad bandwidth from 10 Mhz to a few gigahertz and higher sensitivity than conventional systems, which are useful for noncontact characterization of microsamples based on laser ultrasound.