Optical lighting system

Details Optical lighting system Optical lighting system

1988-07-27

1991-04-23

Husar, Stephen F.

Illumination

Light modifier

Refractor

362335, F21V 500

Patent

active

050104659

ABSTRACT:
An optical lighting system comprising either an optical system or an optical mirror system. In the optical lens and optical mirror systems, the light incident and exiting planes of the lenses and mirrors, are formed to satisfy given equations. Accordingly, in a contact or proximity exposure system, it is possible to unify irradiance on a surface to be irradiated and reduce the optical path length, thus reducing the overall device size. In a projection system, it is possible to unify irradiance on an image surface while efficiently utilizing light by ommitting a gradient filter.

REFERENCES:
patent: 3598477 (1971-08-01), Levin
patent: 4451872 (1984-05-01), Hartwig
Rhodes, P. W. and Shealy, D. L. "Refractive Optical Systems for Irradiance Redistribution of Collimated Radiation: Their Design and Analysis." Applied Optics, vol. 19, No. 20, (Oct. 15, 1980), pp. 3545-3553.
Chang-Yuan Han, Yukihiro Ishii, Kazumi Murata, "Reshaping Collimated Laser Beams with Gaussian Profile to Uniform Profiles." Applied Optics, vol. 22, No. 22, (Nov. 15, 1983), pp. 3644-3647.

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