Extrinsic Fabry-Perot interferometer fiber-optic microphone

被引：0
|
作者：
Furstenau, N
Horack, H
Schmidt, W
机构：
来源：
IMTC/97 - IEEE INSTRUMENTATION & MEASUREMENT TECHNOLOGY CONFERENCE: SENSING, PROCESSING, NETWORKING, PROCEEDINGS VOLS 1 AND 2 | 1997年
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暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
We describe a new fiber-optic microphone developed as a passive acoustic sensor for traffic monitoring and vehicle classification. If is based on a fiber-optic Extrinsic Fabry Perot microinterferometer coupled to an external membrane for modulating the FP cavity length and a low coherent superluminescent diode as light source. Sensitivity and performance are comparable with standard condenser microphones.
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页码：603 / 606
页数：4
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