Reflective optical element

Details Reflective optical element Reflective optical element

1986-09-15

1987-05-05

Corbin, John K.

350442, 350443, 350620, G02B 1700, G02B 510

Patent

active

046627260

ABSTRACT:
An optical element includes an ogival reflective surface which diverges an incident radiant energy beam substantially uniformly into a 2.pi. solid angle. The precise shape of the reflective surface is defined mathematically in relation to the desired solid angle of divergence and energy distribution of the incident beam. To facilitate mounting and alignment of the reflective surface in an optical system, it is formed internally of a body of optically transmissive material. The external surface of the transmissive body is shaped so as to provide normal incidence for rays reflected from the reflective surface. The element may be used as a beam diverger, or alternatively in reverse, to converge and collimate radiation.

REFERENCES:
patent: 3998532 (1976-12-01), Dykes
patent: 4012126 (1977-03-01), Rosendahl et al.
patent: 4554448 (1985-11-01), Sillitto

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