Fiber optic hydrophone for use as an underwater electroacoustic

Details Fiber optic hydrophone for use as an underwater electroacoustic Fiber optic hydrophone for use as an underwater electroacoustic

1978-09-07

1980-03-11

Tudor, Harold I.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367171, 367172, H04R 2300

Patent

active

041931300

ABSTRACT:
A fiber optic hydrophone for use as an underwater electroacoustic standard. The hydrophone includes a fiber optic acoustic wave detector in one end of the hydrophone which is subjected to incident acoustical waves. A similar fiber optic is in an acoustically isolated compartment where the optic fiber is not affected by the incident acoustical wave. Comparison of light passing through each coil will determine incidence of an acoustical wave on the detector fiber.

REFERENCES:
patent: 3025359 (1962-03-01), Schilling et al.
patent: 3337843 (1967-08-01), Kendig
patent: 3803544 (1974-04-01), Wallen
patent: 3831137 (1974-08-01), Cuomo
patent: 3903496 (1975-09-01), Stimler
patent: 3903497 (1975-02-01), Stimler
Fiber-Optic Hydrophone by J. A. Bucaro et al., J. Acoust. Soc. Am., vol. No. 5, Nov. 1977, pp. 1302-1304.
Fiber-Optic Detection of Sound by J. H. Cole, R. L. Johnson and P. G. Bhuta, J. Acoust. Soc. Am., vol. 62, No. 5, Nov. 1977, pp. 1136-1138.

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