The Magnetic Microbolometer: A Proposal for QUBIC Next Gen

IF 1.1 3区物理与天体物理 Q4 PHYSICS, APPLIED

Journal of Low Temperature Physics Pub Date : 2024-08-28 DOI:10.1007/s10909-024-03203-0

Matías Hampel, Alejandro Almela, Juan Bonaparte, Jesús Bonilla Neira, Luciano Ferreyro, Alan Fuster, Manuel García Redondo, Robert Gartmann, Juan Geria, Nahuel Müller, Timo Muscheid, Juan Salum, Manuel Platino, Luis Ardila, Oliver Sander, Mathias Wegner, Sebastian Kempf, Marc Weber, Alberto Etchegoyen

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Abstract

In this paper, the proposal for a new multichroic pixel camera for the QUBIC instrument is presented, which aims to measure the B-mode polarization of the cosmic microwave background. The camera features antenna-coupled magnetic microbolometers (MMB) read out by a microwave SQUID multiplexer and software-defined radio-based room-temperature electronics, which are specifically optimized for MMB readout. The architecture of the detectors and their readout system is introduced, and the main design considerations are also discussed. The initial results of the simulation study suggest that MMBs are capable of achieving background-limited detection of the sky when used in an instrument like QUBIC. Additionally, the time response of these detectors appears to be sufficiently fast for the given telescope scan speed and beam size.

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磁性微测辐射计：下一代 QUBIC 的建议

本文介绍了为 QUBIC 仪器设计的新型多分色像素照相机，其目的是测量宇宙微波背景的 B 模式极化。该相机采用天线耦合磁性微测辐射计（MMB），由微波 SQUID 多路复用器和基于软件定义无线电的室温电子设备读出，后者专门针对 MMB 读出进行了优化。本文介绍了探测器及其读出系统的结构，并讨论了主要的设计考虑因素。模拟研究的初步结果表明，在 QUBIC 这样的仪器中使用 MMB 时，能够实现对天空的本底限制探测。此外，对于给定的望远镜扫描速度和光束尺寸，这些探测器的时间响应似乎足够快。

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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来源期刊

Journal of Low Temperature Physics 物理-物理：凝聚态物理

CiteScore

3.30

自引率

25.00%

发文量

245

审稿时长

1 months

期刊介绍： The Journal of Low Temperature Physics publishes original papers and review articles on all areas of low temperature physics and cryogenics, including theoretical and experimental contributions. Subject areas include: Quantum solids, liquids and gases; Superfluidity; Superconductivity; Condensed matter physics; Experimental techniques; The Journal encourages the submission of Rapid Communications and Special Issues.