Classical Physics

    

Improvement of the FID Signal in NMR by Phase Mirroring of the Electromagnetic Waves

Authors: Herbert Weidner

In inhomogeneous magnetic fields, NMR produces only imprecise spectral lines. The cause is the rapidly growing phase difference between the many individual signals. These differences are reduced by briefly switching on two auxiliary magnetic fields, which increases the amplitude of the FID signal. Repeated phase inversions significantly improve the duration and SNR of the FID signal and reduce the half-width of the selected spectral line.

Comments: 5 Pages.

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Submission history

[v1] 2020-11-16 06:46:11

Unique-IP document downloads: 135 times

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