Fiber optic temperature sensor using liquid component fiber

Details Fiber optic temperature sensor using liquid component fiber Fiber optic temperature sensor using liquid component fiber

1978-10-20

1980-05-06

Levy, Stewart J.

Optics: measuring and testing

Range or remote distance finding

With photodetection

73355R, 350 9610, 350 9632, 356 44, G02B 516, G01K 1112

Patent

active

042014468

ABSTRACT:
This invention provides apparatus for remote temperature sensing by means of fiber optics in which the sensor is optical and passive, with no electrical power required at the sensor. The temperature-sensing section of the fiber optic makes use of a transparent liquid as core or cladding and in which the transparent liquid has a temperature-dependent index of refraction.

REFERENCES:
patent: 3051038 (1962-08-01), Duke
patent: 3626758 (1971-12-01), Stewart et al.
patent: 3841731 (1974-10-01), Midwinter
patent: 4016761 (1977-04-01), Rozzell et al.
patent: 4136566 (1979-01-01), Christensen

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