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Dynamic processes in helical electron beams in gyrotrons

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Abstract

The results of theoretical and experimental studies of collective processes in helical electron beams in gyrotron-type devices are generalized. Main attention is paid to low-frequency oscillations associated with the development of instability in the space charge trapped between the cathode and the magnetic mirror. The mechanism of evolution of instability is substantiated and the effect of oscillations on the main parameters of the electron flow determining its quality is analyzed. Data on the suppression of low-frequency oscillations and resulting enhancement of the gyrotron efficiency are considered.

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Authors and Affiliations

  1. St. Petersburg State Polytechnical University, St. Petersburg, 195251, Russia

    O. I. Louksha, D. B. Samsonov, G. G. Sominskii & S. V. Semin

Authors
  1. O. I. Louksha
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  2. D. B. Samsonov
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  3. G. G. Sominskii
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  4. S. V. Semin
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Corresponding author

Correspondence to O. I. Louksha.

Additional information

Original Russian Text © O.I. Louksha, D.B. Samsonov, G.G. Sominskii, S.V. Semin, 2013, published in Zhurnal Tekhnicheskoi Fiziki, 2013, Vol. 83, No. 5, pp. 132–140.

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Louksha, O.I., Samsonov, D.B., Sominskii, G.G. et al. Dynamic processes in helical electron beams in gyrotrons. Tech. Phys. 58, 751–759 (2013). https://doi.org/10.1134/S1063784213050137

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