Device for producing a white light

Optical waveguides – Having particular optical characteristic modifying chemical...

Reexamination Certificate

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C385S142000

Reexamination Certificate

active

07020378

ABSTRACT:
A device for the generation of white light serves in particular for the illumination of the interior of the eye. A semiconductor laser (10′) emits radiation in the blue/violet/ultraviolet region of the spectrum, which is coupled into an optical waveguide (18′). The optical waveguide (18′) is doped with fluorescent dyes (26). By superposition of the fluorescent radiations white light is generated at the end (22′) of the optical waveguide.

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patent: 6272269 (2001-08-01), Naum
patent: 6519401 (2003-02-01), Imamura et al.
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patent: 198 53 106 (2000-05-01), None
patent: 0 280 584 (1988-08-01), None
patent: 0 982 924 (2000-03-01), None

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