西蒙斯天文台通用读出线束的研制与性能
天体物理仪器与方法
2022-07-29 v1 仪器与探测器
摘要
西蒙斯天文台(SO)是一个地基宇宙微波背景(CMB)巡天实验,由三台0.5 m小口径望远镜和一台6 m大口径望远镜组成,台址位于智利阿塔卡马沙漠海拔5200 m处。SO将利用超过60,000个跃变边缘传感器(TES)在27-280 GHz的六个频带观测CMB温度与偏振。小口径与大口径望远镜接收机(LATR)通用的是300K-4K通用读出线束(URH),其支持多达600条直流偏置线和24个射频(RF)通道,包含输入与输出同轴电缆、输入衰减器以及输出读出同轴电缆上定制的40K高动态范围低噪声放大器(LNA)。每个RF通道可读出多达1000个TES探测器。本文将介绍为SO部署初期建造的六套URH的设计与表征。
引用
@article{arxiv.2207.13737,
title = {Development and performance of Universal Readout Harnesses for the Simons Observatory},
author = {Jenna E. Moore and Tanay Bhandarkar and Brooke DiGia and Cody Duell and Nicholas Galitzki and Justin Mathewson and John Orlowski-Scherer and Max Silva-Feaver and Yuhan Wang and Caleb Wheeler and Zhilei Xu and Philip Mauskopf},
journal= {arXiv preprint arXiv:2207.13737},
year = {2022}
}
备注
12 pages, 16 figures. Submitted to Proc. SPIE 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI