A compact, high performance atomic magnetometer for biomedical applications.
A compact, high performance atomic magnetometer for biomedical applications.
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DOI:
10.1088/0031-9155/58/22/8153
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发表时间:
2013-11-21
影响因子:
3.5
通讯作者:
Wakai RT
中科院分区:
文献类型:
--
作者:
Shah VK;Wakai RT
We present a highly sensitive room-temperature atomic magnetometer (AM), designed for use in biomedical applications. The magnetometer sensor head is only 2×2×5 cm3 and is constructed using readily available, low-cost optical components. The magnetic field resolution of the AM is <10 fT/√Hz, which is comparable to cryogenically cooled superconducting quantum interference device (SQUID) magnetometers. We present side-by-side comparisons between our AM and a SQUID magnetometer, and show that equally high quality magnetoencephalography (MEG) and magnetocardiography (MCG) recordings can be obtained using our AM.
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