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Proceedings Paper

Diaphragm resonance-based fiber optic hydrophone
Author(s): Indu Fiesler Saxena; Narciso Guzman; Kaleonui J. Hui; Stephen Pflanze
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Paper Abstract

Passive hydrophones with a minimal footprint are useful for a variety of underwater monitoring applications; a fiber optic hydrophone is being investigated. Fiber optic hydrophones have been used in offshore moored applications, and have the capability to cover large areas. A resonant hydrophone using a fiber Bragg grating (FBG) transducer for limited bandwidth operation is described and compared with predicted diaphragm resonances. A battery-power readout system using a laser diode source that can typically operate for a full day, and can be used in off-mooring applications such as in autonomous underwater vehicles, is outlined.

Paper Details

Date Published: 27 April 2010
PDF: 8 pages
Proc. SPIE 7675, Photonics in the Transportation Industry: Auto to Aerospace III, 76750O (27 April 2010); doi: 10.1117/12.852898
Show Author Affiliations
Indu Fiesler Saxena, Intelligent Optical Systems, Inc. (United States)
Narciso Guzman, Intelligent Optical Systems, Inc. (United States)
Kaleonui J. Hui, Intelligent Optical Systems, Inc. (United States)
Stephen Pflanze, Intelligent Optical Systems, Inc. (United States)


Published in SPIE Proceedings Vol. 7675:
Photonics in the Transportation Industry: Auto to Aerospace III
Alex A. Kazemi; Bernard C. Kress; Eric Y. Chan, Editor(s)

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