A 350 micron camera module for the Prime-Cam instrument on CCAT-prime

Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X Pub Date : 2020-12-13 DOI:10.1117/12.2562869

S. Chapman, E. Vavagiakis, C. Duell, M. Niemack, G. Stacey, M. Fich, S. Parshley, Steve K. Choi, T. Nikola, T. Herter, C. Ross

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Abstract

The Cerro Chajnantor Atacama Telescope prime (CCAT-p) Observatory is a widefield, 6 meter aperture submillimeter telescope. Prime-Cam will be a powerful, first light camera for CCAT-p with imagers working at several wavelengths and a spectroscopic instrument aimed at intensity mapping during the epoch of reionization. We present the design of an instrument module in Prime-Cam, operating at 350 microns — the shortest wavelength on the instrument, and the most novel for astronomical surveys, taking full advantage of the atmospheric transparency at the high 5600 meter CCAT-p siting on Cerro Chajnantor. This instrument module will provide unprecedented broadband intensity and polarization measurement capabilities to address pressing astrophysical questions regarding galaxy formation, Big Bang cosmology, and star formation within our own Galaxy. We present the overall optical and mechanical design for the module, and laboratory characterization of the 860-GHz KID array.

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用于CCAT-prime - cam仪器的350微米摄像模块

Cerro - Chajnantor Atacama望远镜(CCAT-p)天文台是一个宽视场，6米口径的亚毫米望远镜。Prime- Cam -将是CCAT-p的一个强大的第一光相机，它有几个波长的成像仪和一个光谱仪器，目的是在再电离时期绘制强度图。我们在Prime -Cam上设计了一个仪器模块，工作波长为350微米，这是仪器上最短的波长，也是天文调查中最新颖的波长，充分利用了Cerro Chajnantor上5600米高的CCAT-p的大气透明度。该仪器模块将提供前所未有的宽带强度和偏振测量能力，以解决有关星系形成、大爆炸宇宙学和银河系内恒星形成等紧迫的天体物理问题。我们介绍了该模块的整体光学和机械设计，以及860-GHz KID阵列的实验室表征。

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Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X

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