Fibre optic sensor

Details Fibre optic sensor Fibre optic sensor

1989-08-14

1992-03-10

Lee, John D.

Optical waveguides

Optical waveguide sensor

385123, G02B 616

Patent

active

050955144

ABSTRACT:
A fibre optic sensor 1 comprises a body 2 of a matrix material which includes an embedded length of optical fibre 3. When the body 2 is exposed to an external disturbance, mechanical and strain forces arising internally can be transmitted to the fibre 3 and will modify the passage of light therein. Pulsed light through the fibre 3 can be sensed for example by interferometry to measure the disturbance. This can provide an inexpensive and sensitive sensor construction which is capable of the remote detection of various parameters.

REFERENCES:
patent: 4235113 (1980-11-01), Carome
patent: 4729620 (1988-03-01), Pavlath
patent: 4750796 (1988-06-01), Shibata et al.
patent: 4840452 (1989-06-01), Federmann et al.
patent: 4886333 (1989-12-01), Hicks

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