LSPE-Strip馈源喇叭阵列
天体物理仪器与方法
2022-01-31 v2
摘要
本文讨论大规模偏振探测者（LSPE）实验的Strip仪器馈源喇叭阵列的设计、制造与表征。Strip是一台微波望远镜，工作于Q波段和W波段，用于以亚度角分辨率观测北半球大部分（约37%）天区的天空偏振辐射。Strip焦平面排布有四十九个Q波段和六个W波段波纹喇叭，每个喇叭馈入一个低温冷却偏振计，用于探测天空偏振信号的斯托克斯Q和U分量。Q波段通道旨在精确监测银河系偏振同步辐射，而Q与W波段的组合将允许研究观测址——位于特内里费的Teide天文台——的大气效应。本文聚焦于Strip波纹馈源喇叭的研制，包括设计要求、工程与制造，以及详细表征与性能验证。
引用
@article{arxiv.2107.13775,
title = {The LSPE-Strip feed horn array},
author = {C. Franceschet and F. Del Torto and F. Villa and S. Realini and R. Bongiolatti and O. A. Peverini and F. Pezzotta and D. M. Viganó and G. Addamo and M. Bersanelli and F. Cavaliere and F. Cuttaia and M. Gervasi and A. Mennella and G. Morgante and A. C. Taylor and G. Virone and M. Zannoni},
journal= {arXiv preprint arXiv:2107.13775},
year = {2022}
}
备注
Version 1: This paper (28 pages, 25 figures) is part of the Special Issue "The LSPE/Strip instrument description and testing", being submitted to JINST. Version 2: Added new references. Splitting of design and specifications tables in Sec. 2.1. Other minor revisions included