Paper
26 September 2007 Beam steering and pointing with counter-rotating grisms
Author Affiliations +
Abstract
Gimbals have been the main mechanism to perform pointing and beam steering for most Electro-optic sensors. A new class of pointing and beam steering devices based on a pair of counter-rotating Grisms is presented here. The device is capable of wide spectral band. The paper first describes the design principles of counter-rotating Grisms for beam pointing and beam steering. Comparison between gimbals and counter-rotating prisms is given next. Finally potential applications of a pair of counter-rotating grisms are illustrated.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chungte Bill Chen "Beam steering and pointing with counter-rotating grisms", Proc. SPIE 6714, Adaptive Coded Aperture Imaging and Non-Imaging Sensors, 671409 (26 September 2007); https://doi.org/10.1117/12.738461
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CITATIONS
Cited by 7 scholarly publications.
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KEYWORDS
Prisms

Beam steering

Sensors

Mid-IR

Chromatic aberrations

Diffraction

Diffraction gratings

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