A High Sensitivity Fiber Laser Microphone

Yingbo Luo,Wentao Zhang,Peng Cui,Yifei Ma

A High Sensitivity Fiber Laser Microphone

2018

Yingbo Luo
Wentao Zhang
Peng Cui
Yifei Ma

A novel fiber laser microphone (FLM) is presented. Due to the ultra-narrow line width of the fiber laser, when an interferometric demodulation method is used, the FLM can show a low noise level performance. The test results are also given.

Keywords:

Fiber laser
Interferometry
Demodulation
Physics
Electronic engineering
Microphone
Optics
laser noise
line width
low noise
Materials science

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