Keck 阵列的优化与灵敏度
天体物理仪器与方法
2015-06-11 v1 宇宙学与河外天体物理
摘要
Keck 阵列 (SPUD) 于 2011 年冬季在南极开始观测宇宙微波背景的偏振。Keck 阵列继承了前身实验 Bicep 和 Bicep2 的成功，使用了五台同轴折射望远镜。这些望远镜拥有一个由 2500 个天线耦合 TES 测辐射热计组成的组合成像阵列，并通过基于 SQUID 的时域复用系统进行读取。我们将讨论探测器噪声及读取系统的优化。在 2012 年的配置中，Keck 阵列达到的灵敏度为 11.5 。
引用
@article{arxiv.1208.0857,
title = {Optimization and sensitivity of the Keck Array},
author = {S. Kernasovskiy 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 G. Davis and C. D. Dowell and L. Duband and J. P. Filippini and S. Fliescher and S. R. Golwala and M. Halpern and M. Hasselfield and G. Hiltion and V. V. Hristov and K. Irwin and J. M. Kovac and C. L. Kuo and E. Leitch and M. Lueker and C. B. Netterfield and H. T. Nguyen and R. O'Brient and R. W. Ogburn and C. L. Pryke and C. Reintsema and J. E. Ruhl and M. C. Runyan and R. Schwarz and C. D. Sheehy and Z. Staniszewski and R. Sudiwala and G. Teply and J. E. Tolan and A. D. Turner and A. Vieregg and D. V. Wiebe and P. Wilson and C. L. Wongg},
journal= {arXiv preprint arXiv:1208.0857},
year = {2015}
}
备注
Presented at SPIE 2012 Astronomical Telescopes and Instrumentation Conference. Will be published in the proceedings