Coupler apparatus for use with a high brightness light source

Details Coupler apparatus for use with a high brightness light source Coupler apparatus for use with a high brightness light source

1992-03-27

1993-11-02

Bovernick, Rodney B.

Optical waveguides

Optical fiber bundle

385 46, 385 88, 385 89, G02B 604

Patent

active

052590569

ABSTRACT:
A light coupling arrangement for use with a central lighting system having a high brightness light source disposed in a housing includes a plurality of optical fibers having input ends and output ends which are distributed to various spaced apart location in the desired manner. The input ends of the optical fibers are stripped of cladding and compressed together within a first sleeve member so that boundaries between individual optical fiber input ends are substantially eliminated thereby resulting in a color and intensity mixing at such input end which translates to a uniform color and intensity distribution to the various spaced apart locations. A rod member can be disposed in optical contact with the input ends of the optical fibers and together with the optical fibers, slip fit within an outer sleeve member that assists the first sleeve member in maintaining the compressed relation of the input ends of the optical fibers. The rod member is constructed of a light transmissive material and has a higher thermal coefficient than the optical fibers thereby protecting such input ends from damage as may be caused by the high brightness light source.

REFERENCES:
patent: 4377086 (1983-03-01), Linder et al.
patent: 4408827 (1983-10-01), Guthrie et al.
patent: 4984864 (1991-01-01), Blyler et al.
patent: 5029957 (1991-07-01), Hood
patent: 5058985 (1991-10-01), Davenport et al.
patent: 5117472 (1992-05-01), Blyler et al.

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