Light equalizer and method of making same

Details Light equalizer and method of making same Light equalizer and method of making same

1974-12-09

1978-09-05

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

264 56, 427146, B29D 1100

Patent

active

041120280

ABSTRACT:
A method of making a light equalizer comprises the steps of mixing two different powdered crystalline materials, each of a slightly different index of refraction so as to provide scattering of selected wavelengths of light. The materials are compacted under pressure to form an integral body containing a plurality of light scattering centers. The exterior surfaces of the body are covered with a reflective coating except for two opposite ends through which the selected wavelengths of light can be transmitted so as to provide a substantially uniform distribution of light at its output.

REFERENCES:
patent: 3301781 (1967-01-01), Rice et al.
patent: 3615756 (1971-10-01), Jorgenson
patent: 3711262 (1973-01-01), Keck et al.
Hackforth, Infra Red Radiation, 1960, p. 115.

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