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Proceedings Paper

Investigation on pressure sensitivity of fiber optic mandrel hydrophone
Author(s): Wentao Zhang; Yuliang Liu; Fang Li
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Paper Abstract

Pressure sensitivity of the fiber optic mandrel hydrophone is analyzed in this paper. Based on the theory of elasticity, the mechanism of the pressure response is studied. The influence of the optical fiber on the compliant mandrel on the pressure response is taken into consideration for the first time. The radial deformation of the mandrel under the pressure of the fiber optic and the underwater pressure is analyzed in details. Based on the theory of photo-elasticity, the phase shift of the Mach-Zehnder interferometer is given. The pressure sensitivity is evaluated both theoretically and experimentally, and the results show a good correlation between the theoretical and experimental results.

Paper Details

Date Published: 5 March 2007
PDF: 6 pages
Proc. SPIE 6595, Fundamental Problems of Optoelectronics and Microelectronics III, 659544 (5 March 2007); doi: 10.1117/12.726503
Show Author Affiliations
Wentao Zhang, Institute of Semiconductors (China)
Yuliang Liu, Institute of Semiconductors (China)
Fang Li, Institute of Semiconductors (China)


Published in SPIE Proceedings Vol. 6595:
Fundamental Problems of Optoelectronics and Microelectronics III

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