Top-Loading 4He Sorption Refrigerator

IF 1.4 3区物理与天体物理 Q4 PHYSICS, APPLIED

Journal of Low Temperature Physics Pub Date : 2025-07-09 DOI:10.1007/s10909-025-03313-3

Dong-Hun Chae, Bongyeon Won, Jaewan Choi

引用次数: 0

Abstract

We describe a newly developed top-loading ⁴He sorption refrigerator. The top-loading configuration allows for rapid sample exchange, efficient cooling, and modular probe construction. A prototype comprises a condenser, an evaporator, a charcoal adsorption pump, and a top-loading probe, precooled by a Gifford–McMahon cryocooler. The base temperature and hold time in single-shot mode are 0.95 K and 2.5 h, respectively. The prototype provides a useable cooling power of 1.85 mW at 1 K.

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顶装式吸收式冰箱

我们介绍了一种新开发的顶装式4He吸收式制冷机。顶部加载配置允许快速样品交换，高效冷却和模块化探头结构。原型包括冷凝器，蒸发器，木炭吸附泵和顶部加载探针，由Gifford-McMahon制冷机预冷。基温为0.95 K，保持时间为2.5 h。原型机在1k时提供1.85 mW的可用冷却功率。

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.