A continuous dry 300 mK cooler for THz sensing applications

Klemencic, G. M. ORCID: https://orcid.org/0000-0002-2125-9754, Ade, P. A. R. ORCID: https://orcid.org/0000-0002-5127-0401, Chase, S., Sudiwala, R. ORCID: https://orcid.org/0000-0003-3240-5304 and Woodcraft, A. L. 2016. A continuous dry 300 mK cooler for THz sensing applications. Review of Scientific Instruments 87 (4) , 045107. 10.1063/1.4945691

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Abstract

We describe and demonstrate the automated operation of a novel cryostat design that is capable of maintaining an unloaded base temperature of less than 300 mK continuously, without the need to recycle the gases within the final cold head, as is the case for conventional single shot sorption pumped 3He cooling systems. This closed dry system uses only 5 l of 3He gas, making this an economical alternative to traditional systems where a long hold time is required. During testing, a temperature of 365 mK was maintained with a constant 20 μW load, simulating the cooling requirement of a far infrared camera.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Publisher:	AIP Publishing
ISSN:	0034-6748
Funders:	STFC
Date of First Compliant Deposit:	11 May 2016
Date of Acceptance:	27 March 2016
Last Modified:	05 May 2023 22:00
URI:	https://orca.cardiff.ac.uk/id/eprint/90787

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