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Proceedings Paper

High-sensitivity fiber optic planar ultrasonic microphone
Author(s): Sverre Knudsen; A. M. Yurek; Alan B. Tveten; Anthony D. Dandridge
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Paper Abstract

We describe the design and performance of a novel planar ultrasonic fiber sensor for detection of air acoustic signals. The sensor is formed from a potted single layer of spirally wound optical fiber, and configured such that the static backing pressure can be varied. Experimentally we demonstrate normalized sensitivities (?Ø /Ø?P) of-295 to .265dB re. 1 µPa1.

Paper Details

Date Published: 14 September 1994
PDF: 4 pages
Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); doi: 10.1117/12.185083
Show Author Affiliations
Sverre Knudsen, Naval Research Lab. (United States)
A. M. Yurek, Naval Research Lab. (United States)
Alan B. Tveten, Naval Research Lab. (United States)
Anthony D. Dandridge, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 2360:
Tenth International Conference on Optical Fibre Sensors
Brian Culshaw; Julian D. C. Jones, Editor(s)

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