Bird cage resonator for high resolution nuclear magnetic resonan

Details Bird cage resonator for high resolution nuclear magnetic resonan Bird cage resonator for high resolution nuclear magnetic resonan

1995-03-10

1996-12-03

O'Shea, Sandra L.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324322, G01V 300, G01V 314

Patent

active

055811868

ABSTRACT:
A resonator which is arranged on a hollow cylindrical support (1) for the taking of high resolution magnetic nuclear resonance spectra from a sample extending along the cylinder axis within the resonator, and having a shielding (2) which defines the sensitive region of the resonator axially along a certain length which is shorter than the axial extent of the support (1), is characterized in that the resonator is configured as an axially symmetric bird-cage resonator. It only produces static field distortions in its sensitive region which are easily correctable, has an improved fill-factor and reduced ohmic losses, and produces a homogeneous RF field while avoiding topological problems occurring with quadrature detection.

REFERENCES:
patent: 4751464 (1988-06-01), Bridges
patent: 5194811 (1993-03-01), Murphy-Boesch et al.
patent: 5212450 (1993-05-01), Murphy-Boesch et al.
patent: 5262727 (1993-11-01), Behbin et al.

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