NDLI: Multi-Channel SQUID System for MEG and Ultra-Low-Field MRI

Content Provider	IEEE Xplore Digital Library
Author	Zotev, V.S. Matlachov, A.N. Volegov, P.L. Sandin, H.J. Espy, M.A. Mosher, J.C. Urbaitis, A.V. Newman, S.G. Kraus, R.H.
Copyright Year	2002
Abstract	A seven-channel system capable of performing both magnetoencephalography (MEG) and ultra-low-field magnetic resonance imaging (ULF MRI) is described. The system consists of seven second-order SQUID gradiometers with 37 mm diameter and 60 mm baseline, having magnetic field resolution of 1.2-2.8 fT/radicHz . It also includes four sets of coils for 2D Fourier imaging with pre-polarization. The system's MEG performance was demonstrated by measurements of auditory evoked response. The system was also used to obtain a multi-channel 2D image of a whole human hand at the measurement field of 46 microtesla with 3 by 3 mm resolution.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	839
Ending Page	842
Page Count	4
File Size	1607144
File Format	PDF
ISSN	10518223
Volume Number	17
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	SQUIDs Magnetic resonance imaging Magnetic field measurement Humans Sensor arrays Instruments Magnetic sensors Superconducting device noise Sensor systems Superconducting coils ULF MRI Biomagnetism MEG SQUID
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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