Light source device

Details Light source device Light source device

1998-05-15

2000-09-26

Spyrou, Cassandra

Optical: systems and elements

Mirror

With mirror surface of varied radius

313113, 362298, G02B 510, F21V 700, H01J 516

Patent

active

06123429&

ABSTRACT:
A light source device has a first mirror for reflecting light emitted by a light source, and a second mirror for reflecting the light reflected by the first mirror and guiding the reflected light toward the irradiation target portion. The first mirror has a curved reflection surface having an elliptic or parabolic shape in section along the optical axis direction. The light source is set at the position of a focal point of the elliptic or parabolic shape of the curved reflection surface. The second mirror has a linear reflection surface which has a linear shape in section along the optical axis direction and faces the curved reflection surface of the first mirror.

REFERENCES:
patent: 3720460 (1973-03-01), Wilkinson
patent: 4498926 (1985-02-01), Cline
patent: 5532497 (1996-07-01), Yasuzato et al.
patent: 5626631 (1997-05-01), Eckhouse

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