A room temperature 19-channel magnetic field mapping device for cardiac signals
classification
⚛️ physics.ins-det
physics.med-phphysics.optics
keywords
fieldmagneticcardiacsystemarraybeatingbuiltchannel
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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.
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