Light trap for a laser-based fiber optic vehicle lighting system

Details Light trap for a laser-based fiber optic vehicle lighting system Light trap for a laser-based fiber optic vehicle lighting system

1997-07-03

1999-10-26

Husar, Stephen

Illumination

Light fiber, rod, or pipe

With mounting or holding means

362511, 385139, F21V 800

Patent

active

059715782

ABSTRACT:
A fiber optic light guide for a vehicle lighting system has a light transmissive core and a light absorptive cladding provided circumferentially about the core. The light guide has a pair of end portions with opposing canted parallel end surfaces. The end surfaces are canted at a predetermined angle greater than the critical angle associated with the light transmissive core material and the surrounding air, so that if the end surfaces are separated light will not be emitted from the fiber optic light guide, but rather reflected off an end surface and into the light absorptive cladding.

REFERENCES:
patent: 3874783 (1975-04-01), Cole
patent: 4790618 (1988-12-01), Abe
patent: 4994791 (1991-02-01), Taylor
patent: 5087109 (1992-02-01), Ishizuka et al.
patent: 5107533 (1992-04-01), Jaskie
patent: 5483427 (1996-01-01), Dealey, Jr. et al.
patent: 5500911 (1996-03-01), Roff
patent: 5633963 (1997-05-01), Rickenbach et al.

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