Fibre optic sensing device and method

Details Fibre optic sensing device and method Fibre optic sensing device and method

1986-03-17

1987-12-22

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250231R, 374161, H01J 516

Patent

active

047148292

ABSTRACT:
A detector comprises an optical radiation source (10) and a length of optic fibre (18) sensitive to local variations in a physical variable. Changes in radiation back-scattered by the fibre are received by a detector (24) which gives an output dependent on local changes in the physical variable.

REFERENCES:
patent: 4201446 (1980-05-01), Geddes et al.
patent: 4316388 (1982-02-01), Miller et al.
patent: 4342919 (1982-08-01), Brogardh
patent: 4421979 (1983-12-01), Asawa et al.
patent: 4450434 (1984-05-01), Nielsen et al.

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