Device for displaying a laser beam

Details Device for displaying a laser beam Device for displaying a laser beam

1974-08-26

1976-05-18

Corbin, John K.

40130K, 350188, G02B 2700, G02F 111, G09F 1316

Patent

active

039573508

ABSTRACT:
Described herein is a system for producing scattered monochromatic radiat. The system comprises a planar material having surface irregularities which are brightly illuminated by the use of a laser radiation source directed parallel to the planar surface so as to graze the surface irregularities with incident radiation. The size of the surface irregularities are designed so as to be large enough to partially scatter the incident radiation while being small enough to permit a substantial portion of the radiation to pass through. A variety of embodiments are described including an arrangement to illuminate a recognizable shape or pattern, and arrangement to illuminate fluid or other droplets disbursed upon a base surface, and arrangement to illuminate the effect of external stimuli (such as acoustic vibrations applied to the surface of the base material) and finally, a coordinate system using two non-parallel laser beams.

REFERENCES:
patent: 1937957 (1933-12-01), Hotchner
patent: 3491237 (1970-01-01), Tillett
patent: 3632873 (1972-01-01), Henkins
patent: 3637292 (1972-01-01), Seidel
patent: 3781111 (1973-12-01), Fletcher et al.

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