Journal
SCIPOST PHYSICS
Volume 10, Issue 3, Pages -Publisher
SCIPOST FOUNDATION
DOI: 10.21468/SciPostPhys.10.3.060
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Funding
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0019174]
- NSF [ECCS-1542152]
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The SQCRAMscope, a quantum sensor imaging electromagnetic fields emitted from nearby samples using a quasi-1D quantum gas, has been improved by reducing cryogen usage, enhancing cryogenic cooling, and streamlining sample exchange and quantum gas preparation processes. These improvements have successfully lowered the minimum accessible sample temperature from 35 K to 5.7 K while maintaining low sample vibrations.
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.
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