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Performance of Compact Integrated Superconducting Magnetometers for Biomagnetism (Articolo in rivista)

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Performance of Compact Integrated Superconducting Magnetometers for Biomagnetism (Articolo in rivista) (literal)

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Granata C., Vettoliere A., Rombetto S., Nappi C., and Russo M. (2008)
Performance of Compact Integrated Superconducting Magnetometers for Biomagnetism
in Journal of applied physics
(literal)

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Performance of Compact Integrated Superconducting Magnetometers for Biomagnetism (literal)

Abstract

In the present paper, performances of compact fully integrated superconducting quantum interference device ? SQUID ? magnetometers, recently developed, have been investigated in view of their employment in large multichannel systems for biomagnetic imaging. The analysis has been focused on SQUID sensors having a pickup loop side length of 3 and 4 mm based on a design aimed to maximize the magnetic flux transferred from the detection coil to the SQUID in comparison with a magnetometer with 9 mm side length having a suitable sensitivity for biomagnetic applications. The performance study has been consisted in the computation of the magnetic responses to a current dipole which is the most fundamental approach used in biomagnetism. The results have shown that the dipole current sensitivity of 4 mm long side compact magnetometers is suitable for application in multichannel systems for magnetoencephalography and magnetocardiography (literal)

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