Wide angle optical transmitter/receiver

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems

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356 5, G01J 120

Patent

active

045594457

ABSTRACT:
A novel optical transmitter/receiver device is described which comprises a source of radiation providing a collimated coherent light beam, such as a laser beam, along a first optical axis; a magneto-optic light deflector device controllably deflecting the beam off the first optical axis in the direction of a target; optical beam expander and collimating lenses transmitting the expanded beam toward the target and receiving the expanded and reflected beam from the target; the reflected beam then being deflected back along the first optical axis to a scraper mirror which optically turns the reflected beam along a viewing axis toward a photo detector.

REFERENCES:
patent: 3849742 (1974-11-01), Hughes et al.
patent: 3939342 (1976-02-01), Bezerie et al.
patent: 4025194 (1977-05-01), Teppo
patent: 4143263 (1979-03-01), Eichweber
patent: 4148584 (1979-04-01), Roelants
patent: 4168908 (1979-09-01), Cubalchini
patent: 4270862 (1981-06-01), Hewitt

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