Fiber optic measuring device with compensation for reflections i

Details Fiber optic measuring device with compensation for reflections i Fiber optic measuring device with compensation for reflections i

1981-09-28

1984-05-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250226, G02B 514

Patent

active

044463669

ABSTRACT:
The invention relates to a fiber optic measuring device for measuring physical and chemical quantities. Sensors positioned in the ray path influence the spectral composition of the light in dependence on the quantity to be measured. The sensors are of a material with an absorption edge or one or more filters of interference type.

REFERENCES:
patent: 3744918 (1973-07-01), Jacobsson
patent: 3965356 (1976-06-01), Howarth
patent: 3979589 (1976-09-01), Sternberg et al.
patent: 4281245 (1981-07-01), Brogardh et al.

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