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Proceedings Article

A fiber-optic flexural disk microphone of high sensitivity

[+] Author Affiliations
Ran Tao, Xuqiang Wu, Qifa Zhang, Sheng Huang, Gang Zhang, Benli Yu

Anhui Univ. (China)

Proc. SPIE 8561, Advanced Sensor Systems and Applications V, 85610D (December 13, 2012); doi:10.1117/12.2000607
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From Conference Volume 8561

  • Advanced Sensor Systems and Applications V
  • Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan
  • Beijing, China | November 05, 2012

abstract

A fiber-optic flexural disk microphone is developed to detect acoustic signals in the air. It consists of a Mach-Zehnder interferometer with an optimized sensing arm of 7.93 m. The disk’s resonance frequencies and their influence on the microphone’s sensitivity are investigated. The microphone’s frequency response is measured in the frequency range from 100 Hz to 5 kHz and the average phase sensitivity is about -120.7 dB re 1rad/μPa. © (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Ran Tao ; Xuqiang Wu ; Qifa Zhang ; Sheng Huang ; Gang Zhang, et al.
" A fiber-optic flexural disk microphone of high sensitivity ", Proc. SPIE 8561, Advanced Sensor Systems and Applications V, 85610D (December 13, 2012); doi:10.1117/12.2000607; http://dx.doi.org/10.1117/12.2000607


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