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Multichannel Ka-Band Microwave Oscillator Based on Frequency-Shifted Relativistic Backward-Wave Oscillators

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Radiophysics and Quantum Electronics Aims and scope

Experiments on summation of linearly polarized Gaussian wave beams in free space from two and four synchronous nanosecond Ka-band relativistic backward wave oscillators (BWOs), each having an output power of about 200 MW with controllably shifted oscillator frequencies have been carried out. An about 0.5% frequency shift in one of the channels was equivalent to a one-period phase delay of the carrier frequency. In a two-channel version of the device, a full beat cycle was obtained for a pulse with quadratic (with respect to the number of sources) enhancement of the power flux density at the interference maximum of the integral directional pattern (DP). In the case of a four-channel device, a diagonal displacement of the DP lobes has been demonstrated.

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Authors and Affiliations

  1. Institute of Electrophysics of the Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia

    M. I. Yalandin, K. A. Sharypov, M. S. Pedos, S. N. Rukin, M. R. Ul’maskulov, V. G. Shpak & S. A. Shunailov

  2. Institute of High-Current Electronics of the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia

    I. V. Romanchenko & V. V. Rostov

Authors
  1. M. I. Yalandin
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  2. K. A. Sharypov
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  3. M. S. Pedos
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  4. I. V. Romanchenko
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  5. V. V. Rostov
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  6. S. N. Rukin
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  7. M. R. Ul’maskulov
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  8. V. G. Shpak
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  9. S. A. Shunailov
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Corresponding author

Correspondence to M. I. Yalandin.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 59, No. 8–9, pp. 698–708, August–September 2016.

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Yalandin, M.I., Sharypov, K.A., Pedos, M.S. et al. Multichannel Ka-Band Microwave Oscillator Based on Frequency-Shifted Relativistic Backward-Wave Oscillators. Radiophys Quantum El 59, 629–637 (2017). https://doi.org/10.1007/s11141-017-9729-7

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  • DOI: https://doi.org/10.1007/s11141-017-9729-7

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