Fiber optic accelerometer using closed feedback relation to vary

Details Fiber optic accelerometer using closed feedback relation to vary Fiber optic accelerometer using closed feedback relation to vary

1987-08-06

1989-10-24

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250231R, 250231P, H01J 516, G01D 534

Patent

active

048764477

ABSTRACT:
Optical interferometric techniques are used in order to measure deflection in a cantilever beam. Light is directed through plural light paths which are changed in length during deflection of the beam. The light recombines and light interferance is used to measure deflection of the beams.

REFERENCES:
patent: 4529876 (1985-07-01), Walker
patent: 4653906 (1987-03-01), Dunphy et al.

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