ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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4
Issue
vol 62 / April, 2019
Article
UDC 53.082

MEASUREMENT OF WEAK MAGNETIC FIELDS BY NUTATION NUCLEAR–MAGNETIC MAGNETOMETER ON FLOWING LIQUID

V. V. Davydov
National Research University “Saint Petersburg State Polytechnic University”; Associate professor


V. I. Dudkin
St. Petersburg State Technological Institute (Technical University), Department of Quantum Electronics; Professor


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Abstract. A method of weak magnetic fields measurement with nutation nuclear-magnetic magnetometer on the flowing liquid is considered. Technical requirements for various construction elements of magnetometer and flowing liquid parameters are defined both experimentally and theoretically. Operation of the measuring sensor has been tested experimentally with the use of the most optimal liquid medium. Further avenues for improvement of the construction and of accuracy characteristics of the developed magnetometer are formulated. 
Keywords: magnetic field, magnetization, line nutation, spontaneous relaxation time T1, transverse relaxation time T2, signal to noise ratio