Pupil enlargement component for an optical device

Details Pupil enlargement component for an optical device Pupil enlargement component for an optical device

1977-12-05

1979-09-18

Corbin, John K.

350 36, 350 45, 350120, 350127, 350129, 350167, G02B 2300

Patent

active

041681061

ABSTRACT:
A composite optical component for use in an improved optical system, for example, of the type in U.S. Pat. No. 4,012,109 includes opposed discs having surfaces in contact. The surfaces in contact are grooved with parallel grooves providing an undulating surface every portion of which is arcuate and capable of magnifying an image at a focal plane approximately between the grooved surfaces of the discs. The grooves are arranged transverse to one another, and preferably at 90.degree., and the component is rotated about an axis normal to the focal point.

REFERENCES:
patent: 2588373 (1952-03-01), Erban
patent: 4033683 (1977-07-01), Tancreli

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