Optical filter device

Details Optical filter device Optical filter device

1984-02-07

1985-12-24

Corbin, John K.

350 16, G02B 520, G02B 2710

Patent

active

045602522

ABSTRACT:
An optical filter device includes a filter member which is located to intersect an optical path along which optical energy having a high density propagates. The filter member is constantly rotated to sequentially shift a part thereof on which the optical energy is incident. The axis of rotation of the filter member is movable perpendicularly thereto within a predetermined range. The filter member transmits a light component having a particular wavelength and reflects at least one of the light components in the other wavelength range.

REFERENCES:
patent: 3194962 (1965-07-01), Carlon et al.
patent: 3247392 (1966-04-01), Thelen
patent: 4229066 (1980-10-01), Rancourt et al.
patent: 4256363 (1981-03-01), Brisnes
patent: 4339170 (1982-07-01), Winzer
patent: 4504109 (1985-03-01), Taga et al.

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