Spectrally selective shutter mechanism

Details Spectrally selective shutter mechanism Spectrally selective shutter mechanism

1986-08-19

1988-09-13

Arnold, Bruce Y.

350 62, 350 64, 350163, 350315, G02B 522, G02B 2604

Patent

active

047704780

ABSTRACT:
A repetitive spectrally selective shutter apparatus which has a filter assembly in the space between a set of optics and the resultant focal plane is disclosed. The filter assembly consists of a narrowband filter mounted at an angle between the faces of two juxtaposed wedge-shaped faceplates. When rotated, this apparatus provides repetitive open periods in the narrow spectral bandpass as a function of the speed at which the filter assembly is rotated.

REFERENCES:
Cross et al., "A Spectrally Selective Shutter Mechanism", S.P.I.E. Proceedings, Aug. 1984.
Cross et al., "A Spectrally Selective Shutter in Proximity to Focal Plane", S.P.I.E. Proceedings, vol. 572, Aug. 20-21, 1985, pp. 182-189.

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