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Superconducting magnetometers

Mercereau, J. E. (1970) Superconducting magnetometers. Revue de Physique Appliquée, 5 (1). pp. 13-20. ISSN 0035-1687. https://resolver.caltech.edu/CaltechAUTHORS:20200323-130444190

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Abstract

Under the proper circumstances a current carrying superconductor can generate voltage. This voltage is produced by supercurrent oscillations at frequency ω = 2e/ħV - a phenomena similar to the Josephson effect in superconducting tunnel junctions. Various structures have been fabricated in which this quantum relation dominates the electrical behavior. These thin film structures have been developed into reliable sensor elements which have been incorporated into various electronic instruments - particularly magnetometers. These instruments include a differential magnetometer with a one second response time and sensitivity greater than 10-10 gauss and a digital magnetometer counting in increments of 1/4h/2 e at a rate up to 104 per second. The fundamental principles of these instruments will be discussed as well as their present operational limitations.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1051/rphysap:019700050101300DOIArticle
Additional Information:© 1970 EDP Sciences.
Subject Keywords:magnetic field measurement; magnetometers; superconducting devices
Issue or Number:1
Classification Code:PACS: 0755; 3240C; 3240; 5100; 7250G; 7310L
Record Number:CaltechAUTHORS:20200323-130444190
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200323-130444190
Official Citation:Superconducting magnetometers. J.E. Mercereau. Rev. Phys. Appl. (Paris), 5 1 (1970) 13-20; DOI: https://doi.org/10.1051/rphysap:019700050101300
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:102051
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:23 Mar 2020 23:23
Last Modified:23 Mar 2020 23:23

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