Fiber optic light valve

Details Fiber optic light valve Fiber optic light valve

1980-04-11

1981-08-11

Levy, Stewart J.

Electrical generator or motor structure

Dynamoelectric

Rotary

73705, 310318, 350356, 350393, G02B 514

Patent

active

042831148

ABSTRACT:
A mechanically actuated, piezoelectrically powered, fiber optic connected ght valve (shutter) utilized as a sensor to detect mechanical motion (pressure) or displacement. A piezoelectric element responds to pressure to generate an electrical signal which is applied to a Kerr cell containing nitrobenzene; the signal in turn renders the nitrobenzene transparent and light via fiber optic means is allowed to pass through the Kerr cell and return to the light source location for sensing.

REFERENCES:
patent: 3215038 (1965-11-01), Heller et al.
patent: 3393956 (1968-07-01), Clark
patent: 3614451 (1971-10-01), Gunn
patent: 4121884 (1978-10-01), Greenwood
patent: 4137475 (1979-01-01), Yoshida et al.

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