Multiple prism

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350484, G02B 504

Patent

active

046092544

ABSTRACT:
A cylindrical glass prism with one planar entry face which refracts incident beams and with multiple exit faces perpendicular to the refracted beams which are emitted without refraction and without reduction in width. The prism can be revolved on a concave cylindrical base.

REFERENCES:
patent: 2405960 (1946-08-01), Land
patent: 3064523 (1962-11-01), Meltzer
Houston, Jr., "Optical Systems Manufacturing Technology", Optical Engineering, 7/8-1974, vol. 13, No. 4, pp. 160-161.
Price, "Collimated Light Beam Expander-Compressor", Xerox Disclosure Journal, 9/10-1981, vol. 6, No. 5, pp. 253-254.

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