Retromodulator

Details Retromodulator Retromodulator

1987-01-16

1988-11-15

Corbin, John K.

Coherent light generators

Particular component circuitry

Optical pumping

350358, 350487, 350102, 29 2535, 372 93, G02B 2608, G02B 5122

Patent

active

047844485

ABSTRACT:
A retromodulator in the form of a triple mirror with electromechanical transducer elements for planar deformation by which incident light radiation is retroflected in modulated form. At least one face of the retromodulator is formed as an oscillatory diaphragm which is excited to natural oscillations by the transducer elements. In a preferred form of realization, the oscillatory diaphragm comprises a piezoelectric foil, on whose inner side a reflecting layer is applied and on whose outer side electrodes are applied to which the modulation signal is applied.

REFERENCES:
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patent: 3544201 (1970-12-01), Fowler et al.
patent: 3614677 (1971-10-01), Wilfinger
patent: 3833893 (1974-09-01), Rajchman
patent: 3886310 (1975-05-01), Guldberg et al.
patent: 4096380 (1978-06-01), Eichweber
patent: 4157863 (1979-06-01), Clark
patent: 4216440 (1980-08-01), Rahn et al.
patent: 4339821 (1982-07-01), Coppock et al.
patent: 4450458 (1984-05-01), Araghi et al.
patent: 4688306 (1987-08-01), Soni et al.

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