A Cryogenic Testbed for Polarization Modulators and Cryogenic Mechanisms

IF 1.1 3区 物理与天体物理 Q4 PHYSICS, APPLIED Journal of Low Temperature Physics Pub Date : 2024-08-13 DOI:10.1007/s10909-024-03193-z
F. Columbro, P. de Bernardis, A. Coppolecchia, E. Marchitelli, S. Masi, A. Occhiuzzi
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Abstract

We developed a cryogenic facility to assess the performance of different types of cryogenic mechanisms. The facility can host very large (up to \(\sim {1}\,\hbox {m}^{3}\)) and heavy (up to \(\sim {30}\,\hbox {kg}\)) instrumentation, cooled down below 10 K. The operation of moving components can be visually monitored by means of two webcams looking inside the 4 K volume. In addition a large number of electrical feedthroughs (444 lines) allow the operation of a set of hall and capacitive sensors to measure both the magnetic field, the position of moving devices with an accuracy of tens of microns and their temperatures with an accuracy of few \(\%\). We present the results of the first tests on a large aperture (500 mm diameter) superconducting magnetic bearing for the SWIPE/LSPE experiment currently under test.

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偏振调制器和低温机制的低温试验台
我们开发了一个低温设施来评估不同类型低温机制的性能。该设施可以承载非常大(高达1米)和非常重(高达30公斤)的仪器,冷却温度低于10K。此外,大量的电馈通(444条线)允许一组霍尔和电容传感器工作,以测量磁场和移动设备的位置,精确度为几十微米,温度测量精确度为几\(\%\)。我们介绍了目前正在测试的SWIPE/LSPE实验的大孔径(直径500毫米)超导磁轴承的首次测试结果。
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来源期刊
Journal of Low Temperature Physics
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.
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