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Revisiting the optimization of the SCUBA-2 TES arrays for POL-2 and FTS-2 operations
Author(s): Shaoliang Li; Dan Bintley; Jamie L. Cookson; Graham S. Bell; Per Friberg
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Paper Abstract

The Sub-millimeter Common-User Bolometer Array 2 (SCUBA-2) large format Transition Edge Sensor (TES) arrays are optimized to maximize mapping speed with two commissioned regular observing scan patterns. The ancillary instruments POLarimeter 2 (POL-2) and Fourier Transform Spectrometer 2 (FTS-2) impose different demands on the arrays compared to regular stand-alone SCUBA-2 observing. This includes a change in the background optical power loading on the arrays and a requirement for a larger dynamic range from the individual TES bolometers. In this paper, we discuss the process for optimizing the TES arrays specifically for POL-2 and FTS-2 operations and report the improvements that we have obtained.

Paper Details

Date Published: 9 July 2018
PDF: 6 pages
Proc. SPIE 10708, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, 107083C (9 July 2018); doi: 10.1117/12.2312776
Show Author Affiliations
Shaoliang Li, East Asian Observatory (United States)
Purple Mountain Observatory (China)
Dan Bintley, East Asian Observatory (United States)
Jamie L. Cookson, East Asian Observatory (United States)
Graham S. Bell, East Asian Observatory (United States)
Per Friberg, East Asian Observatory (United States)


Published in SPIE Proceedings Vol. 10708:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX
Jonas Zmuidzinas; Jian-Rong Gao, Editor(s)

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