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- W2071271818 abstract "We have considered the performance of the University of California Ten Meter Telescope (TMT) in the thermal infrared. At around 10 μm the thermal background seen by a detector in the focal plane is dominated by emission from the telescope itself since the atmospheric emission is often very low. Several aspects of telescope design are of crucial importance for optimum performance to be achieved in the infrared, the main goals being to minimize the background radiation and to keep fluctuations in that background to an acceptably low level. We have considered the effects of telescope design parameters in two classes: 1. The usual set of mechanical and optical constraints on design that are encountered in optimizing the performance of a conventional monolithic IR telescope. These include minimization of background radiation from telescope mirrors and support structure, chopping secondary design, etc. 2. Potential additional constraints arising from the segmented design of the primary mirror. These include the effects of the cracks between segments and consideration of the active control mechanism. We presently see no problems in the telescope design which will adversely affect IR performance and we consider that the actual performance of the TMT will be determined solely by the quality of its instrumentation and the properties of the atmosphere." @default.
- W2071271818 created "2016-06-24" @default.
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- W2071271818 date "1982-11-04" @default.
- W2071271818 modified "2023-09-23" @default.
- W2071271818 title "<title>Infrared Performance Of The University Of California Ten Meter Telescope</title>" @default.
- W2071271818 doi "https://doi.org/10.1117/12.933511" @default.
- W2071271818 hasPublicationYear "1982" @default.
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