Electricity: measuring and testing – Particle precession resonance – Using an electron resonance spectrometer system
Patent
1980-04-29
1982-02-02
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using an electron resonance spectrometer system
324318, G01N 2700
Patent
active
043142044
ABSTRACT:
A resonator for electron spin resonance experiments has two cylindrical elements of the same length arranged with their axes parallel to each other and with their end faces in the same plane so that they partly merge with each other. Devices are coupled to each of the two elements for exciting a degenerate TM.sub.010 mode and a degenerate TE.sub.111 mode. In one area of the resonator whose center is at the intersection point of the two planes of symmetry of the resonator, one of which is the intersection plane of the two elements and the other containing the axes of the two elements, the two modes have a mostly vanishing electric field and, for the most part, magnetic fields perpendicular to each other. In this area, there is, at least in one end face of the resonator, an aperture for inserting a test piece.
REFERENCES:
patent: 3559043 (1971-01-01), Hyde
patent: 3609520 (1971-09-01), Sneed
patent: 3732488 (1973-05-01), Franconi
Biehl Reinhard
Schmalbein Dieter
Bruker Analytische Messtechnik GmbH
Tokar Michael J.
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