Method for temperature compensation of measuring signals of a fi

Details Method for temperature compensation of measuring signals of a fi Method for temperature compensation of measuring signals of a fi

1998-01-09

1999-08-31

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25022717, 324 96, G01J 400

Patent

active

059456671

ABSTRACT:
The piezoelectric effect of an optical sensor (6) made from quartz is a function of temperature. Without correcting or compensating measures, this temperature dependence leads to a falsification of the measuring signal if the temperature of the sensor element is not held constant. In order to obtain accurate measurements for variable sensor temperatures T.sub.s, a temperature-corrected measuring signal M is provided in accordance with:

REFERENCES:
patent: 5053693 (1991-10-01), Bohnert et al.
patent: 5339026 (1994-08-01), Bohnert
"Coherence-Tuned Interrrogation of a Remote Elliptical-Core, Dual-Mode Fiber Strain Sensor", Bohnert, et al., Journal of Lightwave Technology, vol. 13, No. 1, Jan. 1995, pp. 94-103.

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