Warren, W. S. and Sinton, S. and Weitekamp, D. P. and Pines, A. (1979) Selective Excitation of Multiple-Quantum Coherence in Nuclear Magnetic Resonance. Physical Review Letters, 43 (24). pp. 1791-1794. ISSN 0031-9007. doi:10.1103/PhysRevLett.43.1791. https://resolver.caltech.edu/CaltechAUTHORS:WARprl79
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Abstract
Wideband selective n-quantum excitation in the NMR of coupled spins is demonstrated for the first time. By a combination of multiple pulse averaging and phase shifts ϕ a pure n-quantum excitation operator can be produced (n=2π / ϕ). This allows enhancement of normally weak n-quantum transitions. Selective excitation of the zero- and four-quantum transitions in benzene illustrates this approach. Extensions to selective absorption of only groups of n photons in other regimes of spectroscopy are straight-forward, in principle.
Item Type: | Article | ||||||
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Additional Information: | ©1979 The American Physical Society. Received 24 September 1979. We thank G. Drobny, J. Murdoch, and J. Tang for illuminating discussions. One of us (W.S.W.) acknowledges receipt of a National Science Foundation Graduate Fellowship. This work was supported by the Division of Materials Sciences, Office of Basic Energy Sciences, under Contract No. W-7405-Eng-48. | ||||||
Issue or Number: | 24 | ||||||
DOI: | 10.1103/PhysRevLett.43.1791 | ||||||
Record Number: | CaltechAUTHORS:WARprl79 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:WARprl79 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 10859 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Archive Administrator | ||||||
Deposited On: | 13 Jun 2008 | ||||||
Last Modified: | 08 Nov 2021 21:11 |
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