Striated light diffuser and method of forming the same

Details Striated light diffuser and method of forming the same Striated light diffuser and method of forming the same

1992-04-09

1993-08-03

Healy, Brian

Optical waveguides

Noncyclindrical or nonplanar shaped waveguide

385901, 362 32, G02B 600

Patent

active

052336794

ABSTRACT:
A light transmitting body (10), (40) has a longitudinal axis (12), (42), and a light radiating surface (14), (46) extending substantially parallel to the axis (12), (42). Where the body is an optical fiber (10), the light radiating surface is the circumferential surface (14) of the fiber (10). Where the body is a rectangular panel (40), the light radiating surface is a rectangular surface (46) of the panel (40). A plurality of striations (16), (44) are formed in the light radiating surface (14), (46) parallel to the axis (12), (42), which cause light entering the body (10), (40) along the axis (12), (42) to be radiated out of the body (10), (40) through the light radiating surface (14), (46) with substantially uniform intensity along the axis (12), (42). The striations (16), (44) may be formed by molding, cold drawing, heating the body (10), (40) under tension, cutting, or by bundling and fusing a plurality of small optical fibers (90) together.

REFERENCES:
patent: 4422719 (1983-12-01), Orcutt
patent: 4805984 (1989-02-01), Cobb, Jr.

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