A hermetic on-cryostat helium source for low temperature experiments

被引：0

作者：

Castoria, K. E. ^{[1
]}

Byeon, H. ^{[1
]}

Theis, J. ^{[1
]}

Beysengulov, N. R. ^{[1
]}

Glen, E. O. ^{[1
]}

Koolstra, G. ^{[1
]}

Sammon, M. ^{[1
]}

Lyon, S. A. ^{[1
]}

Pollanen, J. ^{[1
]}

Rees, D. G. ^{[1
]}

机构：

[1] EeroQ Corp, Chicago, IL 60651 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2024年 / 95卷 / 04期

关键词：

ELECTRON; OSCILLATIONS; STATE; FLOW;

D O I：

10.1063/5.0185577

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We describe a helium source cell for use in cryogenic experiments that is hermetically sealed in situ on the cold plate of a cryostat. The source cell is filled with helium gas at room temperature and, subsequently, sealed using a cold weld crimping tool before the cryostat is closed and cooled down. At low temperatures, the helium condenses and collects in a connected experimental volume, as monitored via the frequency response of a planar superconducting resonator device sensitive to small amounts of liquid helium. This on-cryostat helium source negates the use of a filling tube between the cryogenic volumes and room temperature, thereby preventing unwanted effects such as temperature instabilities that arise from the thermomechanical motion of helium within the system. This helium source can be used in experiments investigating the properties of quantum fluids or to better thermalize quantum devices.

引用

页数：5

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