Electron spin resonance spectrometer

Details Electron spin resonance spectrometer Electron spin resonance spectrometer

1987-11-20

1988-11-01

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using an electron resonance spectrometer system

324322, G01R 3320

Patent

active

047822961

ABSTRACT:
An electron spin resonance spectrometer comprises a resonator arranged in a magnetic field of constant strength and high homogeneity and containing a sample. The resonator can be supplied, via a microwave bridge, with microwave energy in the form of a continuous-wave signal (CW) or in the form of an intermittent signal (P). Measuring signals emitted by the resonator can be supplied to a detector arrangement and a signal evaluation arrangement. In order to be able to carry out individual experiments with continuous-wave signals or intermittent signals of low power or with intermittent signals of high power in arbitrary combination and with an arbitrary succession of microwave pulses, the spectrometer comprises a first channel for supplying a continuous-wave signal or an intermittent signal of small power in the mW range and a second channel for supplying an intermittent signal of high power in the W range. The channels are connected by their inputs to a common microwave source and united at their outputs. So the said channels can be selectively operated either individually or jointly.

REFERENCES:
patent: 3879653 (1975-04-01), Hyde et al.
patent: 3931569 (1976-01-01), Hyde
patent: 4259638 (1981-03-01), Krueger
patent: 4593248 (1986-06-01), Hyde
patent: 4623835 (1986-11-01), Mehdizadeh
patent: 4712560 (1987-12-01), Schaefer
Phys. Rev. Letter 54, p. 1241 (1985) by Schweiger.

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