Luminous flux separating optical system

Details Luminous flux separating optical system Luminous flux separating optical system

1991-11-14

1994-07-05

Henry, Jon W.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359637, G02B 2710, H04N 9097

Patent

active

053272897

ABSTRACT:
A color separation prism system for use in a TV camera which can separate R, G and B colors. The color separation prism system of the invention includes one or more air gaps each of which is formed between the prisms in a wedge shape that is open on the converging side of a luminous flux passing through the air gap. The use of the wedge-shaped air gap can reduce the possibility of generation of an astigmatism to thereby prevent deterioration of the performance of an optical system formed of the above-mentioned color separation prisms.

REFERENCES:
patent: 3720457 (1973-03-01), Swartz et al.
patent: 3905684 (1975-09-01), Cook et al.
patent: 3982819 (1976-09-01), Letellier

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