Double post reentrant cavity for NMR probes

Details Double post reentrant cavity for NMR probes Double post reentrant cavity for NMR probes

1984-06-22

1986-08-19

Levy, Stewart J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324 585C, 333232, 333235, G01R 3320

Patent

active

046072241

ABSTRACT:
A sample cavity resonator for NMR spectroscopy contains a pair of diametrically opposed paraxial post structures approximating a single turn inductance about the axially positioned sample. The posts are separately excited in 180 degree relative phases by respective coupling loops spaced between the corresponding post and the cavity wall. A slideable piston structure capacitively couples to the posts and provides cavity tuning.

REFERENCES:
patent: 3187278 (1965-06-01), Wheeler
Yamamoto et al., "ENDOR Experiments on Free Radicals in Solution", Japanese Journal of Applied Physics, vol. 11, No. 10, Oct., 1972, pp. 1508-1513.

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