Microbend fiber-optic sensor

Details Microbend fiber-optic sensor Microbend fiber-optic sensor

1987-03-06

1989-07-11

Sikes, William L.

G02B 602, G02B 616

Patent

active

048465470

ABSTRACT:
The invention relates to a fiber-optic detector and concerns more particularly a detector capable of producing microbends in an optical fiber in response to the variation of a physical quantity or of an environmental parameter. The sensor of the invention consists of an optical fiber provide with a sheath which is covered by a layer exhibiting periodic discontinuities. The sheath and its covering react to the variation of the parameter to be detected in such a manner as to produce microbends of the same periodicity as that of the discontinuities.

REFERENCES:
patent: 3891302 (1975-06-01), Dabby et al.
patent: 4179187 (1979-12-01), Maurer
patent: 4372646 (1983-02-01), Strahan et al.
patent: 4372647 (1983-02-01), Okamoto et al.
patent: 4443700 (1984-04-01), Macedo et al.
patent: 4634856 (1987-01-01), Kirkham
patent: 4654520 (1987-03-01), Griffiths
patent: 4701614 (1987-10-01), Jaeger et al.
patent: 4795232 (1989-01-01), Persson

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