Keck Array：一台脉管制冷机冷却的宇宙微波背景偏振仪
天体物理仪器与方法
2011-05-02 v1 宇宙学与河外天体物理
摘要
Keck Array 是一台宇宙微波背景（CMB）偏振仪，将于 2010 年底开始在南极进行观测。初期部署将包括三台与 BICEP2 类似的望远镜，它们安装在超紧凑型脉管制冷机冷却的低温恒温器中。次年将再增加两台接收机。本文报告了 Keck 低温恒温器的设计与性能。我们还报告了天线耦合 TES 探测器在脉管制冷机运行条件下的初步性能结果。我们发现，用脉管制冷机冷却的低温恒温器替代 BICEP2 的液氦低温恒温器，并未严重影响探测器的性能。
引用
@article{arxiv.1104.5516,
title = {The Keck Array: a pulse tube cooled CMB polarimeter},
author = {C. D. Sheehy and P. A. R. Ade and R. W. Aikin and M. Amiri and S. Benton and C. Bischoff and J. J. Bock and J. A. Bonetti and J. A. Brevik and B. Burger and C. D. Dowell and L. Duband and J. P. Filippini and S. R. Golwala and M. Halpern and M. Hasselfield and G. Hilton and V. V. Hristov and K. Irwin and J. P. Kaufman and B. G. Keating and J. M. Kovac and C. L. Kuo and A. E. Lange and E. M. Leitch and M. Lueker and C. B. Netterfield and H. T. Nguyen and R. W. Ogburn and A. Orlando and C. L. Pryke and C. Reintsema and S. Richter and J. E. Ruhl and M. C. Runyan and Z. Staniszewski and S. Stokes and R. Sudiwala and G. Teply and K. L. Thompson and J. E. Tolan and A. D. Turner and P. Wilson and C. L. Wong},
journal= {arXiv preprint arXiv:1104.5516},
year = {2011}
}
备注
8 pages, 6 figures; SPIE proceedings for Millimeter, Submillimeter and Far-Infrared Detectors and Instrumentation for Astronomy V (Conference 7741, June 2010, San Diego, CA, USA)