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A Compact THz Source for Enhancing the Sensitivity of Nuclear Magnetic Resonance Spectroscopy with Dynamic Nuclear Polarization

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

High-power terahertz radiation finds application in electron paramagnetic resonance spectroscopy and is used to enhance the sensitivity of nuclear magnetic resonance spectroscopy through dynamic nuclear polarization. The compact source of terahertz radiation proposed in this work follows the gyrotron scheme and relies on the proximity of the paramagnetic-resonance and cyclotron frequencies for electrons. However, the design of this terahertz source differs greatly from those of conventional gyrotrons. Simulations of its performance show that terahertz radiation with required parameters can be obtained with applied voltages below 2 kV. Experimental tests demonstrate that stimulated synchrontron radiation can indeed be generated at such nonrelativistic voltages.

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ACKNOWLEDGMENTS

This work was supported by the Russian Science Foundation under grant 16-12-10445.

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Authors and Affiliations

  1. Institute of Applied Physics, Russian Academy of Sciences, 603950, Nizhny Novgorod, Russia

    V. L. Bratman, Yu. K. Kalynov, O. P. Kulagin, A. N. Leontyev, P. B. Makhalov, V. N. Manuilov, I. V Osharin, A. V. Savilov, A. E. Fedotov, A. P. Fokin & A. V. Chirkov

  2. Ariel University, 40700, Ariel, Israel

    V. L. Bratman

  3. Nizhny Novgorod State University, 603950, Nizhny Novgorod, Russia

    V. N. Manuilov

Authors
  1. V. L. Bratman
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  2. Yu. K. Kalynov
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  3. O. P. Kulagin
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  4. A. N. Leontyev
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  5. P. B. Makhalov
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  6. V. N. Manuilov
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  7. I. V Osharin
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  8. A. V. Savilov
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  9. A. E. Fedotov
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  10. A. P. Fokin
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  11. A. V. Chirkov
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Corresponding author

Correspondence to A. V. Savilov.

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Translated by A. Asratyan

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Bratman, V.L., Kalynov, Y.K., Kulagin, O.P. et al. A Compact THz Source for Enhancing the Sensitivity of Nuclear Magnetic Resonance Spectroscopy with Dynamic Nuclear Polarization. Bull. Russ. Acad. Sci. Phys. 82, 1592–1595 (2018). https://doi.org/10.3103/S1062873818120274

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  • DOI: https://doi.org/10.3103/S1062873818120274

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