Optical fiber moisture sensor

Details Optical fiber moisture sensor Optical fiber moisture sensor

1992-07-31

1993-09-07

Gonzalez, Frank

Optical waveguides

Optical waveguide sensor

Including physical deformation or movement of waveguide

25022714, G02B 600

Patent

active

052436705

ABSTRACT:
An optical fiber moisture sensor comprising a mechanical system having a stationary jaw and a moving jaw between which said fiber is mounted, the sensor also including an element made of moisture-sensitive material coupled to said moving jaw to allow it to be urged towards said stationary jaw in the presence of moisture, thereby applying compression to said optical fiber, wherein said element is made of a material that looses mechanical strength with increasing moisture and that is mounted to oppose the action of resilient means urging said moving jaw towards said stationary jaw.

REFERENCES:
patent: 4221962 (1980-09-01), Black et al.
patent: 4530078 (1985-07-01), Lagakos et al.
patent: 4637729 (1987-01-01), Schoch
patent: 4652745 (1987-03-01), Zanardelli
patent: 4729630 (1988-03-01), Martinez
patent: 4866265 (1989-09-01), Hohne
patent: 4918305 (1990-04-01), Wlodarczyk et al.
Izutsu et al., Journal of Lightwave Technology, vol. LT-4, No. 7, Jul. 1986, "Integrated Optic Temperature and Humidity Sensors", pp. 833-836.

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