Oscillating retroreflector

Details Oscillating retroreflector Oscillating retroreflector

1980-05-07

1981-12-29

Corbin, John K.

350 66, G02B 512

Patent

active

043079393

ABSTRACT:
Disclosed is apparatus for reflecting incident radiative energy back to a source. The apparatus features at least two planar reflecting facets which intersect at an angle and which are mounted for adjustment of the angle between the adjacent facets. The facets are oscillated in phase to sweep the angle between .pi./2 and .pi./2-.delta. radians. The angle .delta. is selected so that the plane of maximum areal energy density crosses the plane which includes the source. This apparatus thus compensates for the effects of dispersion with known retroreflectors.

REFERENCES:
patent: 3574448 (1971-04-01), Paine
patent: 3621467 (1971-11-01), Dostal
patent: 3952217 (1976-04-01), Rawlings
patent: 4065204 (1977-12-01), Lipkins
patent: 4073568 (1978-02-01), Heasley
patent: 4082414 (1978-04-01), Berg
patent: 4160577 (1979-07-01), Berg

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