Frequency modulated laser diode

Details Frequency modulated laser diode Frequency modulated laser diode

1982-05-17

1985-10-08

Buczinski, S. C.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

332 751, 350 9614, 350358, 372 26, 372 28, 455605, 455611, 455613, G01V 138, H01S 300

Patent

active

045464588

ABSTRACT:
A method of modulating the output of a solid state diode laser by directly straining the laser chip. The chip is mechanically coupled to a transducer such as a piezoelectric crystal in such a manner that a dimensional variation in the transducer is translated into a corresponding variation in the chip. It is contemplated that the modulated output will have application in communication systems and in particular a hydrophone system.

REFERENCES:
patent: 3243722 (1966-03-01), Billings
patent: 3330957 (1967-07-01), Runnels
patent: 3482189 (1969-12-01), Fenner
patent: 3530400 (1970-09-01), Pratt, Jr. et al.
patent: 3903497 (1975-09-01), Stimler et al.
patent: 4071753 (1978-01-01), Fulenwider et al.
patent: 4422167 (1983-12-01), Shajenko
patent: 4436425 (1984-03-01), Cole

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