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Experimental and numerical study of electromagnetic parameters of planar slow-wave structures for millimeter-wave vacuum electronic devices
Author(s): Andrey V. Starodubov; Alexey A. Serdobintsev; Anton M. Pavlov; Victor V. Galushka; Ilya V. Sinev; Andrey G. Rozhnev; Roman A. Torgashov; Gennadiy V. Torgashov; Nikita M. Ryskin
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Paper Abstract

Microfabricated vacuum power amplifiers and oscillators operating at millimeter and submillimeter (THz) bands are of great interest for applications in high-speed communication, radar, security and military systems, electronic warfare, etc. In this work, we report the results of numerical simulation and cold-test measurements of electromagnetic parameters of the V-band (50-70 GHz) planar meander-line SWS. The microstrip meander-line SWS is suitable for using in a millimeter-band TWT amplifiers. Several samples of copper microstrip meander-line SWS on a quartz substrate consisting of 50 meander periods with input and output couplers were designed, microfabricated and optimized. The SWS was microfabricated by using magnetron sputtering and laser ablation processes. This technique is a more facile, flexible and lower cost as compared to photolithography method. Transmission and reflection of proposed SWS were measured experimentally and calculated numerically. The results of the experimental cold-test measurements are verified by numerical simulations. Electromagnetic parameters of the SWSs were simulated using the finite-element ANSYS HFSS and COMSOL Multiphysics software packages. The results obtained with these two codes are in excellent agreement with each other and good agreement between experimental and numerical results is also observed.

Paper Details

Date Published: 3 June 2019
PDF: 7 pages
Proc. SPIE 11066, Saratov Fall Meeting 2018: Laser Physics, Photonic Technologies, and Molecular Modeling, 1106618 (3 June 2019); doi: 10.1117/12.2524646
Show Author Affiliations
Andrey V. Starodubov, Saratov State Univ. (Russian Federation)
Institute of Radio Engineering and Electronics (Russian Federation)
Alexey A. Serdobintsev, Saratov State Univ. (Russian Federation)
Anton M. Pavlov, Saratov State Univ. (Russian Federation)
Victor V. Galushka, Saratov State Univ. (Russian Federation)
Ilya V. Sinev, Saratov State Univ. (Russian Federation)
Andrey G. Rozhnev, Saratov State Univ. (Russian Federation)
Kotelnikov Institute of Radio Engineering and Electronics (Russian Federation)
Roman A. Torgashov, Saratov State Univ. (Russian Federation)
Kotelnikov Institute of Radio Engineering and Electronics (Russian Federation)
Gennadiy V. Torgashov, Kotelnikov Institute of Radio Engineering and Electronics (Russian Federation)
Nikita M. Ryskin, Saratov State Univ. (Russian Federation)
Kotelnikov Institute of Radio Engineering and Electronics (Russian Federation)


Published in SPIE Proceedings Vol. 11066:
Saratov Fall Meeting 2018: Laser Physics, Photonic Technologies, and Molecular Modeling
Vladimir L. Derbov, Editor(s)

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