2026-09-18T20:50:32Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/612452022-01-13T07:54:29Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Edward S. Boyden.
Zimmerman, Clarissa Lynette
Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
2011-02-23T14:35:41Z
2011-02-23T14:35:41Z
2010
2010
http://hdl.handle.net/1721.1/61245
701734217
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 109).
The goal of this research was to develop a Low-field Classroom NMR system that will enable hands-on learning of NMR and MRI concepts in a Biological-Engineering laboratory course. A permanent magnet system, designed using finite-element modeling software, was built to produce a static field of Bo = 0.133 Tesla. A single coil was used for both transmitting the excitation pulses and detecting the NMR signal. The probe circuit is essentially an LC tank with a tunable resonant frequency. An FPGA is used to produce the excitation pulses and process the received NMR signals. This research has led to the ability to observe Nuclear Magnetic Resonance. 'Spin- Lattice' and 'Spin-Spin' relaxation times of glycerin samples can easily be measured. Future work will allow further MRI exploration by incorporating gradient magnetic field coils.
by Clarissa Lynette Zimmerman.
M.Eng.
109 p.
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by
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http://dspace.mit.edu/handle/1721.1/7582
Electrical Engineering and Computer Science.
Low-field classroom nuclear magnetic resonance system
Low-field classroom NMR system
Thesis
application/pdf
Publication
unknown
unknown
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<Abstract>The goal of this research was to develop a Low-field Classroom NMR system that will enable hands-on learning of NMR and MRI concepts in a Biological-Engineering laboratory course. A permanent magnet system, designed using finite-element modeling software, was built to produce a static field of Bo = 0.133 Tesla. A single coil was used for both transmitting the excitation pulses and detecting the NMR signal. The probe circuit is essentially an LC tank with a tunable resonant frequency. An FPGA is used to produce the excitation pulses and process the received NMR signals. This research has led to the ability to observe Nuclear Magnetic Resonance. 'Spin- Lattice' and 'Spin-Spin' relaxation times of glycerin samples can easily be measured. Future work will allow further MRI exploration by incorporating gradient magnetic field coils.</Abstract>
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