25 October 1996 Extrinsic Fabry-Perot ultrasonic detector
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Abstract
We characterized the performance of a commercial fiber optic extrinsic Fabry-Perot interferometer for use as an ultrasonic sensor, and compared the performance with a standard lead zirconate titanate (PZT) detector. The interferometer was unstabilized. The results showed that the fiber sensor was about 12 times less sensitive than the PZT detector. Ultrasonic frequency response near 100 kHz was demonstrated. We describe the design of the fiber sensor, the details of the tests performed, and potential applications.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. Jeff Kidwell, John W. Berthold, "Extrinsic Fabry-Perot ultrasonic detector", Proc. SPIE 2839, Fiber Optic and Laser Sensors XIV, (25 October 1996); doi: 10.1117/12.255349; https://doi.org/10.1117/12.255349
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KEYWORDS
Sensors

Fiber optics sensors

Ferroelectric materials

Ultrasonography

Ultrasonics

Fiber optics

Signal to noise ratio

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