Analysis and Detection of OVERHAUSER Magnetometer Signal

Dian Dong Zheng; Yi Wang; Yang Jiao; Jun Wang; Yue Zhao

doi:10.4028/www.scientific.net/AMM.303-306.1812

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 303-306Analysis and Detection of OVERHAUSER Magnetometer...

Analysis and Detection of OVERHAUSER Magnetometer Signal

Abstract:

Studied the OVERHAUSER magnetometer signal's production mechanism and instrument's working principle, designed high frequency energizer, DC polarization circuit and signal detecting circuit. Detecting circuit was composed of the analog frequency selective amplification, narrow-band filter, programmable amplifier and controller. In setting conditions, the probe output Larmor precession signal, then collected the signal by the detecting circuit. The results show the single identified with the theoretical analysis with a higher SNR. Provided an important basis for the increase of the system sampling rate by analysising the relationship between the poling time and the output signals amplitude.

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Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

1812-1817

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.1812

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Online since:

February 2013

Authors:

Dian Dong Zheng, Yi Wang, Yang Jiao, Jun Wang, Yue Zhao

Keywords:

DC Polarization, High Frequency Excitation, OVERHAUSER Magnetometer, Relaxation Transition

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