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Proceedings Paper

Using phase locking for improving frequency stability and tunability of THz-band gyrotrons
Author(s): Asel B. Adilova; Svetlana A. Gerasimova; Maria M. Melnikova; Alexandra V. Tyshkun; Andrey G. Rozhnev; Nikita M. Ryskin
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Paper Abstract

Medium-power (10-100 W) THz-band gyrotrons operating in a continuous-wave (CW) mode are of great importance for many applications such as NMR spectroscopy with dynamic nuclear polarization (DNP/NMR), plasma diagnostics, nondestructive inspection, stand-off detection of radioactive materials, biomedical applications, etc. For all these applications, high frequency stability and tunability within 1-2 GHz frequency range is typically required. Apart from different existing techniques for frequency stabilization, phase locking has recently attracted strong interest. In this paper, we present the results of theoretical analysis and numerical simulation for several phase locking techniques: (a) phase locking by injection of the external driving signal; (b) mutual phase locking of two coupled gyrotrons; and (c) selfinjection locking by a wave reflected from the remote load.

Paper Details

Date Published: 26 April 2018
PDF: 6 pages
Proc. SPIE 10717, Saratov Fall Meeting 2017: Laser Physics and Photonics XVIII; and Computational Biophysics and Analysis of Biomedical Data IV, 107170A (26 April 2018); doi: 10.1117/12.2315157
Show Author Affiliations
Asel B. Adilova, Saratov State Univ. (Russian Federation)
Svetlana A. Gerasimova, Saratov State Univ. (Russian Federation)
Maria M. Melnikova, Saratov State Univ. (Russian Federation)
Alexandra V. Tyshkun, Saratov State Univ. (Russian Federation)
Andrey G. Rozhnev, Saratov State Univ. (Russian Federation)
Institute of Radio Engineering and Electronics (Russian Federation)
Nikita M. Ryskin, Saratov State Univ. (Russian Federation)
Institute of Radio Engineering and Electronics (Russian Federation)


Published in SPIE Proceedings Vol. 10717:
Saratov Fall Meeting 2017: Laser Physics and Photonics XVIII; and Computational Biophysics and Analysis of Biomedical Data IV
Vladimir L. Derbov; Dmitry Engelevich Postnov, Editor(s)

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