Wavelength-independent polymer/optical sensing apparatus and met

Details Wavelength-independent polymer/optical sensing apparatus and met Wavelength-independent polymer/optical sensing apparatus and met

1986-05-29

1988-06-07

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250231R, 374161, H01J 516

Patent

active

047498560

ABSTRACT:
An optical sensing device which incorporates a suitable optical sensor system, preferably a fiber optics system, with a suitable environmental sensitive polymeric material is presented. The polymeric material must be of the type which undergoes wavelength-independent changes in optical properties in response to environmental changes. Accordingly, preferred polymers include crosslinked, semicrystalline polymers, high strength amorphous polymers, and polymer blends. This novel combination will accurately and, at times, reversibly measure and detect temperature, humidity, pressure, position, radiation, flow, stress/strain, light, color, electric field, and a plurality of other properties with respect to changes in the environment.

REFERENCES:
patent: 3002385 (1961-10-01), Wahl et al.
patent: 3175401 (1965-03-01), Geldmacher
patent: 3465590 (1969-09-01), Kluth et al.
patent: 3878722 (1975-04-19), Crites
patent: 4232552 (1980-11-01), Hof et al.
patent: 4278349 (1981-07-01), Sander
patent: 4307607 (1981-12-01), Saaski et al.

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