Integrated optical R-F spectrum analyzer

Details Integrated optical R-F spectrum analyzer Integrated optical R-F spectrum analyzer

1979-08-28

1981-06-16

Tokar, Michael J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

350 9613, G01R 2316

Patent

active

042740495

ABSTRACT:
A compact lens-less spectrum analyzer where a laser impinges upon a distributed Bragg deflector via a slab-coupled optical waveguide and is bent 90 degrees. A surface acoustic wave transmitter controlled by an R-F frequency puts out a traveling strain wave which deflects the light beam according to the frequencies present; a manifold of distributed Bragg deflectors receive the deflected signal and are so arranged as to resonate at a particular frequency; the output of the resonating Bragg deflector is detected by a CCD or self-scanning diode array which produces an output indicative of the particular frequency detected.

REFERENCES:
patent: 3655261 (1972-04-01), Chang
patent: 3942109 (1976-03-01), Cramly
patent: 3988671 (1976-10-01), Pedinoff
patent: 4047795 (1977-09-01), Hughes
patent: 4056304 (1977-11-01), Phillips
patent: 4084191 (1978-04-01), Lean
patent: 4095869 (1978-06-01), Reichelt

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