This paper describes a diaphragm-based external Fabry-Perot interferometric (EFPI) fiber acoustic sensor with pressure-isolation structure. The structure minimizes the crosstalk generated by environmental pressure while enables considerable amount of acoustic signal power being delivered to the sensor, which allows the sensor to work in high-pressure environment. The detailed analysis on sensor design, pressure isolation and sensor fabrication as well as sensor performance are presented.
High-pressure fiber optic acoustic sensor
Fiber Optic Sensor Technology and Applications III ; 2004 ; Philadelphia,Pennsylvania,United States
Proc. SPIE ; 5589
2004-12-14
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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