Development of the 220/270 GHz Receiver of BICEP Array

arXiv - PHYS - Instrumentation and Methods for Astrophysics Pub Date : 2024-09-03 DOI:arxiv-2409.02296

The BICEP/Keck CollaborationStanford University, :Stanford University, Y. NakatoStanford University, P. A. R. AdeCardiff University, Z. AhmedKIPAC/SLAC, M. AmiriUniversity of British Columbia, D. BarkatsHarvard/CfA, R. Basu ThakurCaltechNASA JPL, C. A. BischoffUniversity of Cincinnati, D. BeckStanford UniversityKIPAC/SLAC, J. J. BockCaltechNASA JPL, V. BuzaUniversity of Chicago, B. CantrallStanford University, J. R. Cheshire IVMinnesota Institute for Astrophysics, J. CornelisonHarvard/CfA, M. CrumrineUniversity of Minnesota, A. J. CukiermanCaltech, E. DenisonNIST, M. DierickxHarvard/CfA, L. DubandSBT Grenoble, M. EibenHarvard/CfA, B. D. ElwoodHarvard/CfAHarvard University, S. FatigoniUniversity of British ColumbiaCaltech, J. P. FilippiniUniversity of Illinois Urbana-ChampaignUniversity of Illinois Urbana-Champaign, A. FortesStanford University, M. GaoCaltech, C. GiannakopoulosUniversity of Cincinnati, N. Goeckner-WaldStanford University, D. C. GoldfingerKIPAC/SLAC, J. A. GraysonStanford University, P. K. GrimesHarvard/CfA, G. HallUniversity of Minnesota, G. HalalStanford University, M. HalpernUniversity of British Columbia, E. HandUniversity of Cincinnati, S. HarrisonUniversity of British Columbia, S. HendersonKIPAC/SLAC, J. HubmayrNIST, H. HuiCaltech, K. D. IrwinStanford UniversityKIPAC/SLACNIST, J. KangStanford UniversityCaltech, K. S. KarkareKIPAC/SLAC, E. KarpelStanford University, S. KefeliCaltech, J. M. KovacHarvard/CfAHarvard University, C. L. KuoStanford UniversityKIPAC/SLAC, K. LauCaltech, M. LautzenhiserUniversity of Cincinnati, A. LennoxUniversity of Illinois Urbana-Champaign, T. LiuStanford University, K. G. MegerianNASA JPL, M. MillerHarvard/CfA, L. MinutoloCaltech, L. MoncelsiCaltech, H. T. NguyenNASA JPL, R. O'BrientCaltechNASA JPL, A. PatelCaltech, M. PetroffHarvard/CfA, A. R. PolishHarvard/CfAHarvard University, T. ProuveSBT Grenoble, C. PrykeMinnesota Institute for AstrophysicsUniversity of Minnesota, C. D. ReintsemaNIST, T. RomandCaltech, M. SalatinoStanford University, A. SchillaciCaltech, B. L. SchmittHarvard/CfAUniversity of Pennsylvania, B. SingariMinnesota Institute for Astrophysics, A. SolimanCaltechNASA JPL, T. St. GermaineHarvard/CfAHarvard University, A. SteigerCaltech, B. SteinbachCaltech, R. SudiwalaCardiff University, K. L. ThompsonStanford UniversityKIPAC/SLAC, C. TuckerCardiff University, A. D. TurnerNASA JPL, C. VergèsHarvard/CfA, A. WanduiCaltech, A. C. WeberNASA JPL, J. WillmertUniversity of Minnesota, W. L. K. WuKIPAC/SLAC, H. YangStanford University, E. YoungStanford UniversityKIPAC/SLAC, C. YuStanford University, L. ZengHarvard/CfA, C. ZhangStanford UniversityCaltech, S. ZhangCaltech

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Abstract

Measurements of B-mode polarization in the CMB sourced from primordial gravitational waves would provide information on the energy scale of inflation and its potential form. To achieve these goals, one must carefully characterize the Galactic foregrounds, which can be distinguished from the CMB by conducting measurements at multiple frequencies. BICEP Array is the latest-generation multi-frequency instrument of the BICEP/Keck program, which specifically targets degree-scale primordial B-modes in the CMB. In its final configuration, this telescope will consist of four small-aperture receivers, spanning frequency bands from 30 to 270 GHz. The 220/270 GHz receiver designed to characterize Galactic dust is currently undergoing commissioning at Stanford University and is scheduled to deploy to the South Pole during the 2024--2025 austral summer. Here, we will provide an overview of this high-frequency receiver and discuss the integration status and test results as it is being commissioned.

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开发 BICEP 阵列 220/270 千兆赫接收器

测量源于原始引力波的 CMB 中的 B 模偏振将提供有关膨胀的能量尺度及其潜在形式的信息。为了实现这些目标，我们必须仔细描述银河系前景的特征，通过在多个频率上进行测量，可以将银河系前景与 CMB 区分开来。BICEP 阵列是 BICEP/Keck 计划的最新一代多频仪器，专门针对 CMB 中的度级原始 B 模式。该望远镜的最终配置将由四个小孔径接收器组成，频段从 30 GHz 到 270 GHz 不等。用于描述银河尘埃的220/270 GHz接收器目前正在斯坦福大学进行调试，计划于2024-2025年夏季部署到南极。在此，我们将概述这台高频接收机，并讨论其正在调试过程中的集成状况和测试结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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arXiv - PHYS - Instrumentation and Methods for Astrophysics

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