A scanning quantum cryogenic atom microscope at 6 K

The Scanning Quantum Cryogenic Atom Microscope (SQCRAMscope) is a quantum sensor in which a quasi-1D quantum gas images electromagnetic fields emitted from a nearby sample. We report improvements to the microscope. Cryogen usage is reduced by replacing the liquid cryostat with a closed-cycle system...

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Bibliographic Details
Published in:	SciPost physics Vol. 10; no. 3; p. 060
Main Authors:	Taylor, Stephen, Yang, Fan, Freudenstein, Brandon A., Lev, Benjamin
Format:	Journal Article
Language:	English
Published:	Netherlands Stichting SciPost 09-03-2021 SciPost
Subjects:	CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Online Access:	Get full text
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Summary:	The Scanning Quantum Cryogenic Atom Microscope (SQCRAMscope) is a quantum sensor in which a quasi-1D quantum gas images electromagnetic fields emitted from a nearby sample. We report improvements to the microscope. Cryogen usage is reduced by replacing the liquid cryostat with a closed-cycle system and modified cold finger, and cryogenic cooling is enhanced by adding a radiation shield. The minimum accessible sample temperature is reduced from 35~K to 5.7~K while maintaining low sample vibrations. A new sample mount is easier to exchange, and quantum gas preparation is streamlined.
Bibliography:	USDOE SC0019174
ISSN:	2542-4653 2542-4653
DOI:	10.21468/SciPostPhys.10.3.060