用于探测宇宙微波背景大尺度偏振的仪器
天体物理学
2009-11-07 v2
摘要
我们描述了用于测量极化天体辐射的微波偏振仪器设计与性能，该仪器在覆盖26-36 GHz三个微波频段的范围内实现了高灵敏度和长期稳定性。该仪器采用冷却 HEMT 放大器，采用相关偏振仪器配置，以实现高灵敏度和长期稳定性。该仪器表现出良好的长期稳定性，并已产生了对2.7 K 宇宙微波背景辐射大尺度偏振的最严格上限。
引用
@article{arxiv.astro-ph/0111276,
title = {An Instrument for Investigating the Large Angular Scale Polarization of the Cosmic Microwave Background},
author = {Brian G. Keating and Christopher W. O'Dell and Joshua O. Gundersen and Lucio Piccirillo and Nate Stebor and Peter T. Timbie},
journal= {arXiv preprint arXiv:astro-ph/0111276},
year = {2009}
}
备注
Replaced with revised version. Accepted for publication in ApJSS January 2003