9 August 2016 Thirty Meter Telescope science instruments: a status report
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Abstract
An overview of the current status of the science instruments for the Thirty Meter Telescope is presented. Three first-light instruments as well as a science calibration unit for AO-assisted instruments are under development. Developing instrument collaborations that can design and build these challenging instruments remains an area of intense activity. In addition to the instruments themselves, a preliminary design for a facility cryogenic cooling system based on gaseous helium turbine expanders has been completed. This system can deliver a total of 2.4 kilowatts of cooling power at 65K to the instruments with essentially no vibrations. Finally, the process for developing future instruments beyond first light has been extensively discussed and will get under way in early 2017.
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Luc Simard, Brent Ellerbroek, Ravinder Bhatia, Matthew Radovan, Eric Chisholm, "Thirty Meter Telescope science instruments: a status report", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99081V (9 August 2016); doi: 10.1117/12.2234058; https://doi.org/10.1117/12.2234058
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