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Experimental study of a continuous-wave high-stability second-harmonic gyrotron for spectroscopy of dynamically polarized nuclei

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Radiophysics and Quantum Electronics Aims and scope

We present the results of the experiments on a continuous-wave gyrotron with an output frequency of about 260 GHz, which has been developed for dynamic polarization of nuclei and is operated at the second cyclotron-frequency harmonic. For an accelerating voltage of 16 kV and a beam current of 0.3 A, a maximum continuous-wave radiation power of about 200 W has been obtained. Measurements of the thermal load on the resonator cavity allow evaluating its actual ohmic Q-factor. Gyrotron radiation is also observed at other frequencies and modes. Their generation zones and the structure of the output radiation have been studied. Long-term stability of gyrotron parameters has been determined.

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Authors and Affiliations

  1. Institute of Applied Physics of the Russian Academy of Sciences (IAP RAS), Nizhny Novgorod, Russia

    N. P. Venediktov, V. V. Dubrov, V. E. Zapevalov, S. Yu. Kornishin, A. V. Kotov, A. N. Kuftin, O. V. Malygin, A. S. Sedov, A. Sh. Fiks & V. I. Tsalolikhin

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  1. N. P. Venediktov
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  2. V. V. Dubrov
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  3. V. E. Zapevalov
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  4. S. Yu. Kornishin
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  5. A. V. Kotov
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  6. A. N. Kuftin
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  7. O. V. Malygin
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  8. A. S. Sedov
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  9. A. Sh. Fiks
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  10. V. I. Tsalolikhin
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Corresponding author

Correspondence to V. E. Zapevalov.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 53, No. 4, pp. 260–268, April 2010.

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Venediktov, N.P., Dubrov, V.V., Zapevalov, V.E. et al. Experimental study of a continuous-wave high-stability second-harmonic gyrotron for spectroscopy of dynamically polarized nuclei. Radiophys Quantum El 53, 237–243 (2010). https://doi.org/10.1007/s11141-010-9222-z

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  • DOI: https://doi.org/10.1007/s11141-010-9222-z

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