Presentation 2011-07-09
Human MCG measurements with an ultrasensitive optically-pumped atomic magnetometer
Keigo KAMADA, Yosuke ITO, Tetsuo KOBAYASHI,
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Abstract(in English) Measurement of biomagnetic fields such as magnetoencephalograms (MEGs) and magnetocardiograms (MCGs) is one of the important non-invasive imaging modalities to investigate biological functions and to diagnose disease. We have developed an ultrasensitive optically-pumped atomic magnetometer for biomagnetic measurements. In this study, human MCGs were measured with a potassium atomic magnetometer. The sensitivity of the atomic magnetometer was definitively sufficient for recording of the human MCGs. The measured signals were recovered by considering the frequency characteristics of the atomic magnetometer. The activity of the human heart estimated with the MCG maps showed good agreements with those measured with SQUID magnetometers. These results demonstrated reliability and feasibility of biomagnetic measurements with optically-pumped atomic magnetometers.
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Keyword(in English) Atomic magnetometer / Biomagnetic measurement / Magnetocardiograms (MCGs)
Paper # MBE2011-33
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Conference Information
Committee MBE
Conference Date 2011/7/1(1days)
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Registration To ME and Bio Cybernetics (MBE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Human MCG measurements with an ultrasensitive optically-pumped atomic magnetometer
Sub Title (in English)
Keyword(1) Atomic magnetometer
Keyword(2) Biomagnetic measurement
Keyword(3) Magnetocardiograms (MCGs)
1st Author's Name Keigo KAMADA
1st Author's Affiliation Graduate School of Engineering, Kyoto University()
2nd Author's Name Yosuke ITO
2nd Author's Affiliation Graduate School of Engineering, Kyoto University
3rd Author's Name Tetsuo KOBAYASHI
3rd Author's Affiliation Graduate School of Engineering, Kyoto University
Date 2011-07-09
Paper # MBE2011-33
Volume (vol) vol.111
Number (no) 121
Page pp.pp.-
#Pages 6
Date of Issue