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Characterization of directly coupled dual-superconducting quantum interference device magnetometer
Author(s) -
ChiuHsien Wu,
J. H. Chen,
F. J. Jhan,
Jen-Tzong Jeng,
H. C. Yang
Publication year - 2008
Publication title -
journal of applied physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.699
H-Index - 319
eISSN - 1089-7550
pISSN - 0021-8979
DOI - 10.1063/1.2990069
Subject(s) - magnetometer , squid , superconductivity , scanning squid microscopy , physics , materials science , optoelectronics , nuclear magnetic resonance , magnetic field , condensed matter physics , quantum mechanics , gradiometer , ecology , biology
The effect on effective area and voltage modulation depth of a serial superconducting quantum interference device (SQUID) magnetometer was simulated and observed. The variation in the effective area with the number N of serial SQUIDs was simulated. To reduce the beat phenomenon and optimize the serial SQUID magnetometer, the distance x between two adjacent SQUIDs should exceed 40 mu m or even 65 mu m, or dummy SQUIDs should be added at the edge of the serial SQUIDs. The optimal layout of a high-T(c) serial SQUID array is discussed. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.2990069

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