19 July 2016 POL-2: a polarimeter for the James-Clerk-Maxwell telescope
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Abstract
The POL-2 polarimeter for the SCUBA-2 10 000 pixel Terahertz camera on the James Clerk Maxwell Telescope (JCMT) in it's late state of commissioning. Proposals have been accepted for POL-2 and general observing will start in August 2016. SCUBA-2 has a field of view of 43 arcmin at both of the 850 and 450 μm focal planes. POL-2 will map the sky in the the 850 μm band. The POL-2 polarimeter utilizes three optical components: a half wave plate and two wire-grid polarizers used as calibrator and analyzer covering the full field of SCUBA-2. We describe the instrument, data acquisition and features/artifacts that have been encountered during the commissioning.
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Per Friberg, Pierre Bastien, David Berry, Giorgio Savini, Sarah F. Graves, Kate Pattle, "POL-2: a polarimeter for the James-Clerk-Maxwell telescope", Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 991403 (19 July 2016); doi: 10.1117/12.2231943; https://doi.org/10.1117/12.2231943
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