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27 November 2017 Non-sequential design of a thermal radiative baffle for NFIRAOS
Jenny Atwood, Jeffrey Crane, Glen Herriot
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Proceedings Volume 10590, International Optical Design Conference 2017; 1059022 (2017) https://doi.org/10.1117/12.2285901
Event: International Optical Design Conference - IODC 2017, 2017, Denver, United States
Abstract
NFIRAOS, the first-light adaptive optics system for the Thirty Meter Telescope (TMT), has a cooled optical enclosure at -30 deg C with an evacuated, double-pane window to allow light in. NFIRAOS has chosen a radiative baffle design between the windows to mitigate frosting of the outer window and to avoid convective turbulence on either window. Here, we present the design of the baffle and the non-sequential analysis showing sufficient radiation rejection.
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Jenny Atwood, Jeffrey Crane, and Glen Herriot "Non-sequential design of a thermal radiative baffle for NFIRAOS", Proc. SPIE 10590, International Optical Design Conference 2017, 1059022 (27 November 2017); https://doi.org/10.1117/12.2285901
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KEYWORDS
Zemax
Computer aided design
Solid modeling
Adaptive optics
Thirty Meter Telescope
Astronomy
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