SPIDER半波片的建模与表征
天体物理仪器与方法
2015-02-12 v1 宇宙学与河外天体物理
摘要
Spider是一个由六台望远镜组成的球载阵列，用于观测宇宙微波背景。仪器中的2624个天线耦合测辐射热计将以约半度的分辨率在145 GHz频率下绘制CMB的偏振图。偏振调制通过主光学器件上方的低温蓝宝石半波片实现。我们测量了蓝宝石在室温和低温下的毫米波透射谱。这些光谱与我们的物理光学模型一致，数据给出了A切蓝宝石折射率的出色测量结果。我们还获取了Spider原型接收器中集成半波片、光学系统和探测器的初步光谱。我们计算了半波片在观测CMB和前景光谱时响应的变化，并估计这不应限制Spider对暴胀的约束。
引用
@article{arxiv.1006.3874,
title = {Modeling and characterization of the SPIDER half-wave plate},
author = {Sean A. Bryan and Peter A. R. Ade and Mandana Amiri and Steve Benton and Richard Bihary and James J. Bock and J. Richard Bond and Joseph A. Bonetti and H. Cynthia Chiang and Carlo R. Contaldi and Brendan P. Crill and Daniel O'Dea and Olivier Dore and Marzieh Farhang and Jeffrey P. Filippini and Laura Fissel and Natalie Gandilo and Sunil Golwala and Jon E. Gudmundsson and Matthew Hasselfield and Mark Halpern and Kyle R. Helson and Gene Hilton and Warren Holmes and Viktor V. Hristov and Kent D. Irwin and William C. Jones and Chao Lin Kuo and Carrie J. MacTavish and Peter Mason and Tracy Morford and Thomas E. Montroy and C. Barth Netterfield and Alexandra S. Rahlin and Carl D. Reintsema and Daniel Riley and John E. Ruhl and Marcus C. Runyan and Matthew A. Schenker and Jamil Shariff and Juan Diego Soler and Amy Trangsrud and Rebecca Tucker and Carole Tucker and Anthony Turner},
journal= {arXiv preprint arXiv:1006.3874},
year = {2015}
}