Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13802
Title: Diaphragm-type fiber-optic interferometric acoustic sensor
Authors: Zeng, N
Shi, C
Wang, D 
Zhang, M
Liao, Y
Keywords: Acoustic sensor
Fiber optic sensors
Interferometric sensors
Issue Date: 2003
Publisher: SPIE-International Society for Optical Engineering
Source: Optical engineering, 2003, v. 42, no. 9, p. 2558-2562 How to cite?
Journal: Optical engineering 
Abstract: A diaphragm-type fiber-optic acoustic sensor is developed. In such a sensor, the sound-induced strain is imposed on the fiber on the diaphragm-type sensing element, and can be measured by the use of a Mach-Zehnder interferometer. The diaphragm structure can provide directional response with high sensitivity. The experimental measurement frequency range is from 100 Hz to 5 kHz. The sensitivity and minimum detectable acoustic pressure of the system are - 139 dB re V/μPa and 82 dB re μPa, respectively.
URI: http://hdl.handle.net/10397/13802
ISSN: 0091-3286
EISSN: 1560-2303
DOI: 10.1117/1.1596433
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