New approaches to ultrasensitive magnetic resonance

C. R. Bowers; Steve K. Buratto; Paul Carson; H. M. Cho; J. Y. Hwang; L. Mueller; P. J. Pizarro; David Shykind; Daniel P. Weitekamp

doi:10.1117/12.44229

1 July 1991 New approaches to ultrasensitive magnetic resonance

C. R. Bowers, Steve K. Buratto, Paul Carson, H. M. Cho, J. Y. Hwang, L. Mueller, P. J. Pizarro, David Shykind, Daniel P. Weitekamp

Author Affiliations +

Proceedings Volume 1435, Optical Methods for Ultrasensitive Detection and Analysis: Techniques and Applications; (1991) https://doi.org/10.1117/12.44229
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

Spectroscopic methods tend to exhibit an inverse correlation between sensitivity and the ability to discriminate between similar structures. Were they obtainable with adequate sensitivity, magnetic resonance spectra could resolve structural controversies involving the nature of clusters, ions, semiconductor defects and catalytic intermediates. This paper describes several novel approaches to magnetic resonance, which have in common that the spins are coupled to other degrees of freedom in order to obtain nonequilibrium polarization and/or greater detection sensitivity. The methods under development include single-ion electron spin resonance (ESR) detected by ion trapping frequencies, catalyst NMR detected by the branching ratio to different spin symmetry species, and semiconductor nuclear magnetic resonance (NMR) detected via the circular polarization of luminescence.

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C. R. Bowers, Steve K. Buratto, Paul Carson, H. M. Cho, J. Y. Hwang, L. Mueller, P. J. Pizarro, David Shykind, and Daniel P. Weitekamp "New approaches to ultrasensitive magnetic resonance", Proc. SPIE 1435, Optical Methods for Ultrasensitive Detection and Analysis: Techniques and Applications, (1 July 1991); https://doi.org/10.1117/12.44229

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