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
Wakai RT
中科院分区:
工程技术2区
文献类型:
--
作者:
Shah VK;Wakai RT

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我们提出了一种高灵敏度的室温原子磁力计(AM),设计用于生物医学应用。磁力计传感器头仅为2×2×5 cm 3,采用现成的低成本光学元件制成。AM的磁场分辨率<10 fT/kHz,与低温冷却超导量子干涉器件(SQUID)磁强计相当。我们提出并排我们的AM和SQUID磁强计之间的比较,并表明,同样高质量的脑磁图(MEG)和心磁图(MCG)记录可以使用我们的AM。
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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