Electricity: measuring and testing – Particle precession resonance – Using an electron resonance spectrometer system
Patent
1992-03-06
1993-05-18
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using an electron resonance spectrometer system
333227, 324636, G01R 3320
Patent
active
052124495
ABSTRACT:
A resonator is provided for electron spin resonance spectroscopy. The resonator comprises walls defining a cavity. In the cavity, a predetermined oscillation mode of a preselectable frequency, in particular in the Q band, is capable of propagating. The walls are provided with an opening for irradiating a radiation, in particular light rays. The cavity has a cylindrical shape. An oscillation mode of the type TE.sub.01n is excited, with n being greater than one. The opening is configured as an annular slot extending substantially all around the cylindrical jacket, which defines the cavity, in a radial plane at a distance of m L/4 from a radial end wall delimiting the cavity, and m is an odd number and greater than one (FIG. 2).
REFERENCES:
patent: 3214684 (1965-10-01), Everitt
patent: 3358180 (1967-12-01), Jolly
patent: 3458808 (1969-07-01), Agdur
patent: 4446429 (1984-05-01), Froncisz et al.
Gentsch Ekkehard
Schmalbein Dieter
Bruker Analytische Messtechnik GmbH
Mah Raymond Y.
Tokar Michael J.
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