ESR spectrometer having split-ring resonator

Details ESR spectrometer having split-ring resonator ESR spectrometer having split-ring resonator

1987-04-15

1988-07-19

Levy, Stewart J.

Electricity: measuring and testing

Particle precession resonance

Using an electron resonance spectrometer system

324318, 333219, G01R 3320

Patent

active

047587890

ABSTRACT:
An ESR spectrometer is equipped with a split-ring resonator comprising an electrically conductive cylinder or loop which may be excited by a microwave antenna. The conductive cylinder or loop is secured to a surface of an insulating sheet whereby the other surface may be brought to bear upon the specimen being examined. Preferredly, the insulating sheet comprises two insulating sheets with a Faraday shield sandwiched therebetween whereby the magnetic field generated by the microwave energy applied to the loop leaks to the surface of the specimen but the electric field is inhibited.

REFERENCES:
patent: 4446429 (1984-05-01), Froncisz et al.
W. N. Hardy and L. A. Whitehead, "Split-Ring Resonator for Use in Magnetic Resonance from 200-2000 MHz", Rev. Sci. Instrum. 52(2), Feb. 1981, pp. 213-216.

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