Magnetoencephalography using a multilayer high-Tc DC SQUID magnetometer

M. I. Faley, U. Poppe, R. E. Dunin-Borkowski, M. Schiek, F. Boers, H. Chocholacs, J. Dammers, E. Eich, N. J. Shah, A. B. Ermakov, V. Yu Slobodchikov, Yu V. Maslennikov, V. P. Koshelets

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

13 Citations (Scopus)

Abstract

We describe tests of the use of a multilayer high-Tc DC SQUID magnetometer for magnetoencephalography (MEG) and compare our measurements with results obtained using a low-Tc SQUID sensor. The integration of bias reversal readout electronics for high-Tc DC SQUID magnetometry into a commercial MEG data acquisition system is demonstrated. Results of measurements performed on a saline-filled head phantom are shown and the detection of an auditory evoked magnetic response of the human cortex elicited by a stimulus is illustrated. Future modifications of high-TcDC SQUID sensors for applications in MEG, in order to reach a resolution of 1 fT/VHz at 77.5 K over a wide frequency band, are outlined.

Original languageEnglish
Title of host publicationPhysics Procedia
Subtitle of host publicationSuperconductivity Centennial Conference
PublisherElsevier
Pages66-71
Number of pages6
Volume36
DOIs
Publication statusPublished - 2012
Externally publishedYes
EventSuperconductivity Centennial Conference 2011 - The Hague, Netherlands
Duration: 18 Sep 201123 Sep 2011
https://www-sciencedirect-com.ezproxy.lib.monash.edu.au/journal/physics-procedia/vol/36/suppl/C

Conference

ConferenceSuperconductivity Centennial Conference 2011
Abbreviated titleSCC-2011
Country/TerritoryNetherlands
CityThe Hague
Period18/09/1123/09/11
Internet address

Keywords

  • High-Tsuperconducting heterostructures
  • Magnetoencephalography
  • Magnetometer
  • Quantum interferometers
  • Squid

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