Reduction of excess low-frequency noise in rf-biased SQUID's

Journal Article · Sun Sep 01 04:00:00 EDT 1985 · Rev. Sci. Instrum.; (United States)

DOI:https://doi.org/10.1063/1.1138106· OSTI ID:5310952

Taber, M; Cabrera, B

We have observed an excess low-frequency noise associated with the operation of a commercial rf-biased SQUID (superconducting quantum interference device) sensor in freely convecting liquid helium. A simple technique for reducing convection and suppressing this low-frequency noise is described.

• Research Organization: Department of Physics, Stanford University, Stanford, CA 94305
• OSTI ID: 5310952
• Journal Information: Rev. Sci. Instrum.; (United States), Journal Name: Rev. Sci. Instrum.; (United States) Vol. 56:9; ISSN RSINA
• Country of Publication: United States
• Language: English

Related Subjects

420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CONVECTION
ELECTRONIC EQUIPMENT
ELEMENTS
ENERGY TRANSFER
EQUIPMENT
FLUIDS
FLUXMETERS
GASES
HEAT TRANSFER
HELIUM
LIQUEFIED GASES
MASS TRANSFER
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
NOISE
NONMETALS
RARE GASES
SQUID DEVICES
SUPERCONDUCTING DEVICES