A room temperature 19-channel magnetic field mapping device for cardiac signals

G. Bison; N. Castagna; A. Hofer; P. Knowles; J. -L. Schenker; M. Kasprzak; H. Saudan; A. Weis

doi:10.1063/1.3255041

A room temperature 19-channel magnetic field mapping device for cardiac signals

Instrumentation and Detectors 2015-05-13 v2 Medical Physics Optics

Authors: G. Bison , N. Castagna , A. Hofer , P. Knowles , J. -L. Schenker , M. Kasprzak , H. Saudan , A. Weis

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Abstract

We present a multichannel cardiac magnetic field imaging system built in Fribourg from optical double-resonance Cs vapor magnetometers. It consists of 25 individual sensors designed to record magnetic field maps of the beating human heart by simultaneous measurements on a grid of 19 points over the chest. The system is operated as an array of second order gradiometers using sophisticated digitally controlled feedback loops.

Keywords

cardiac magnetic field imaging optical double-resonance magnetometer cesium vapor magnetometer multichannel system gradiometer array digital feedback control

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@article{arxiv.0906.4869,
  title  = {A room temperature 19-channel magnetic field mapping device for cardiac signals},
  author = {G. Bison and N. Castagna and A. Hofer and P. Knowles and J. -L. Schenker and M. Kasprzak and H. Saudan and A. Weis},
  journal= {arXiv preprint arXiv:0906.4869},
  year   = {2015}
}

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3 pages, 3 figures, submitted to Applied Physics Letters

A room temperature 19-channel magnetic field mapping device for cardiac signals

Abstract

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