26 September 2007 Tunable optical filters for space exploration
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Abstract
Spectrally tunable liquid crystal filters provide numerous advantages and several challenges in space applications. We discuss the tradeoffs in design elements for tunable liquid crystal birefringent filters with the special considerations required for space exploration applications. In this paper we present a summary of our development of tunable filters for NASA space exploration. In particular we discuss the application of tunable liquid crystals in guidance navigation and control in space exploration programs. In conclusion, the current state of the art of several NASA LaRC assembled filters is presented and their performance compared to the predicted spectra using our PolarTools modeling software.
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Charles Crandall, Natalie Clark, Patti Davis, "Tunable optical filters for space exploration", Proc. SPIE 6713, Nanophotonics and Macrophotonics for Space Environments, 67130I (26 September 2007); doi: 10.1117/12.740905; https://doi.org/10.1117/12.740905
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