Method and apparatus for color separation with an optical slab a

Details Method and apparatus for color separation with an optical slab a Method and apparatus for color separation with an optical slab a

1992-01-17

1994-03-15

Henry, Jon W.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359638, 359639, 359836, G02B 2710, G02B 504

Patent

active

052950190

ABSTRACT:
Method and apparatus for separating a mixed frequency light beam, particularly a laser light beam, into its different frequency components by impinging it on a first surface of an optical slab which reflects one component but transmits another, and re-directing the reflected component via a roof prism to a second surface of the slab which is adjacent to and positioned 90.degree. to the first surface, to obtain a reflected beam which is co-directional with the mixed beam, but stripped of the transmitted component.

REFERENCES:
patent: 3419898 (1968-12-01), Baldwin et al.
patent: 3817624 (1974-06-01), Martin

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