II. Applications of the Josephson Effect
II. Applications of the Josephson Effect
II. Applications of the Josephson Effect
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R. Gross, A. Marx, and F. Deppe © Wal<strong>the</strong>r-Meißner-Institut (2001 - 2013)<br />
AS-Chap. 4 - 62<br />
4.5.1 Biomagnetism<br />
Magnetocardiography (MCG):<br />
heart signals ≈ 100 pT, fine structure (≈ pT) clinically relevant<br />
source <strong>of</strong> pathological signals with high precision in 3 dimensions<br />
• planar sensor loops B z component<br />
positive and negative components<br />
instantaneous field maps<br />
eg.: false color maps<br />
• each patient: own fingerprint<br />
• use noise suppression techniques<br />
MFMS: magnetic field map sequences<br />
healthy<br />
heart<br />
ventricular<br />
tachycardia
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