Linear lens and method for concentrating radiant energy and mult

Details Linear lens and method for concentrating radiant energy and mult Linear lens and method for concentrating radiant energy and mult

1988-03-02

1989-12-05

Lee, John D.

Stoves and furnaces

Stoves

Cooking

126441, 136247, 350 9610, 350 9629, 350 9634, 350409, 362 32, F24J 248

Patent

active

048848603

ABSTRACT:
A luminescent fiber marker and method comprised of a linear coaxial lens having an elongated thin cylindrical phosphorescent layer and a pair of colinear and coaxial optical waveguides sandwiching the thin cylindrical phosphorescent layer therebetween so that light impinging on said cylindrical phosphorescent layer along the length thereof is induced to store said radiation energy in said light and emit radiation of a different wave length from the light impinging on said cylindrical phosphorescent layer into both of said optical waveguides. Each of said optical waveguides has a fluorescent material dispersed therein for absorbing the emitted radiation from said phosphorescent layer reemitting the absorbed radiation to effect an internal scatter of radiation in each of said waveguides to permit trapping within the waveguide cores. At least one of the ends of the pair of colinear and coaxial waveguides is adapted to emit said light of a different wave length, the ends may be arranged in various patterns and/or have diffusers or mirrors associated therewith.

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