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Proceedings Paper

Design and lab-test result of APol, a polarimeter for the Atacama sub-millimeter telescope experiment
Author(s): Y. Zhang; H-B. Li
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Paper Abstract

The Atacama Submillimeter Telescope Experiment (ASTE) 10m aperture telescope has a multicolor camera based on a spiderweb absorber Transition Edge Sensor (TES) bolometer array. We developed a fore-optics module – ‘APol’, to convert 256 pixels of the TES camera into a sensitive imaging polarimeter at 350 ± 25 GHz. We used the simple half-wave plate - wire grid - camera design in APol, and it can cover 7’.5 FOV of ASTE. Here we describe the detailed optical design of APol and present result of the preliminary test carried out with the same optical system and camera at National Astronomical Observatory of Japan (NAOJ) laboratory.

Paper Details

Date Published: 11 July 2018
PDF: 8 pages
Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 1070297 (11 July 2018); doi: 10.1117/12.2312547
Show Author Affiliations
Y. Zhang, The Chinese Univ. of Hong Kong (Hong Kong, China)
H-B. Li, The Chinese Univ. of Hong Kong (Hong Kong, China)

Published in SPIE Proceedings Vol. 10702:
Ground-based and Airborne Instrumentation for Astronomy VII
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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