Elimination of flux-transformer crosstalk in multichannel SQUID magnetometers


Brake, H.J.M. ter and Fleuren, F.H. and Ulfman, J.A. and Flokstra, J. (1986) Elimination of flux-transformer crosstalk in multichannel SQUID magnetometers. Cryogenics, 26 (12). pp. 667-670. ISSN 0011-2275

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Abstract:Multichannel SQUID magnetometers are being developed for signal-field mapping in biomagnetic experiments. A problem that becomes more serious as the number of channels is increased is the crosstalk caused by the mutual inductances between the individual sensing coils. A simple and effective method for eliminating this crosstalk is presented in this Paper. The method is based on a rearrangement of the feedback loops which causes the flux-transformer circuits to become currentless. The feasibility of the method is verified experimentally.
Item Type:Article
Copyright:© 1986 Elsevier Science
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/69713
Official URL:https://doi.org/10.1016/0011-2275(86)90166-9
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