Imaging electromagnetic fields using the magnetic resonance absorption spectrum of a paramagnetic gas

The magnetic component of an electromagnetic field confined to a cavity resonator operating in the 3.2 cm wavelength region has been mapped using the noninvasive technique of electron paramagnetic resonance imaging. The active agent used for this purpose was molecular oxygen. One- and two-dimensiona...

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Bibliographic Details
Published in:Journal of magnetic resonance (1969) 1988-02, Vol.76 (3), p.494-503
Main Authors: Marshall, S.A, Suits, B.H, Umlor, M.T, Zhang, Y.N
Format: Article
Language:English
Subjects:
Exact sciences and technology
Infrared, submillimeter wave, microwave and radiowave instruments, equipment and techniques
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Physics
Submillimeter wave, microwave and radiowave spectrometers
magnetic resonance spectrometers, auxiliary equipments and techniques
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Summary:The magnetic component of an electromagnetic field confined to a cavity resonator operating in the 3.2 cm wavelength region has been mapped using the noninvasive technique of electron paramagnetic resonance imaging. The active agent used for this purpose was molecular oxygen. One- and two-dimensional images were obtained of the fields in each of two distinct cylindrical cavity resonators. These images were found to correspond to the general features of those predicted by waveguide theory.
ISSN:0022-2364
1557-8968
DOI:10.1016/0022-2364(88)90352-6