Pulse-synchronized Complex for Microwave Diagnostics of Low-Temperature Atmospheric Plasma Jets

Aleksandr Astafiev; Aleksandr Altmark; Nikita Lesiv

doi:10.1109/EExPolytech66949.2025.11251982

Pulse-synchronized Complex for Microwave Diagnostics of Low-Temperature Atmospheric Plasma Jets

Aleksandr Astafiev^*
, Aleksandr Altmark
, Nikita Lesiv

^*Corresponding author for this work

St. Petersburg State Electrotechnical University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

A microwave diagnostic system in a cylindrical microwave cavity is proposed, which makes it possible to measure the average electron density of a plasma of an unsteady atmospheric plasma. Due to the use of a small cylindrical microwave resonator operating on the TM010 mode with a frequency of 2.85 GHz, it was possible to significantly increase the sensitivity of measurements. Another feature of the presented system is the use of a separate microwave generator and a microwave detector, which significantly increased the time resolution of measurements. The time dependences of the average electrical conductivity and average electron density of a helium plasma jet are presented.

Original language	English
Title of host publication	Proceedings of the 2025 International Conference on Electrical Engineering and Photonics, EExPolytech 2025
Editors	A. Orlova, A. Chekireva, A. Kuznetsova
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	364-367
Number of pages	4
ISBN (Electronic)	9798331571221
DOIs	https://doi.org/10.1109/EExPolytech66949.2025.11251982
State	Published - 2025
Externally published	Yes
Event	International Conference on Electrical Engineering and Photonics, EExPolytech 2025 - Saint Petersburg, Russian Federation Duration: 16 Oct 2025 → 17 Oct 2025

Conference

Conference	International Conference on Electrical Engineering and Photonics, EExPolytech 2025
Country/Territory	Russian Federation
City	Saint Petersburg
Period	16/10/25 → 17/10/25

Keywords

Q-factor
atmospheric pressure plasma
breakdown
cylindrical microwave cavity
electron density
plasma jet
resonant frequency
transverse magnetic mode
voltagecontrolled generator

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10.1109/EExPolytech66949.2025.11251982

Cite this

Astafiev, A., Altmark, A., & Lesiv, N. (2025). Pulse-synchronized Complex for Microwave Diagnostics of Low-Temperature Atmospheric Plasma Jets. In A. Orlova, A. Chekireva, & A. Kuznetsova (Eds.), Proceedings of the 2025 International Conference on Electrical Engineering and Photonics, EExPolytech 2025 (pp. 364-367). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/EExPolytech66949.2025.11251982

Astafiev, Aleksandr ; Altmark, Aleksandr ; Lesiv, Nikita. / Pulse-synchronized Complex for Microwave Diagnostics of Low-Temperature Atmospheric Plasma Jets. Proceedings of the 2025 International Conference on Electrical Engineering and Photonics, EExPolytech 2025. editor / A. Orlova ; A. Chekireva ; A. Kuznetsova. Institute of Electrical and Electronics Engineers Inc., 2025. pp. 364-367

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title = "Pulse-synchronized Complex for Microwave Diagnostics of Low-Temperature Atmospheric Plasma Jets",

abstract = "A microwave diagnostic system in a cylindrical microwave cavity is proposed, which makes it possible to measure the average electron density of a plasma of an unsteady atmospheric plasma. Due to the use of a small cylindrical microwave resonator operating on the TM010 mode with a frequency of 2.85 GHz, it was possible to significantly increase the sensitivity of measurements. Another feature of the presented system is the use of a separate microwave generator and a microwave detector, which significantly increased the time resolution of measurements. The time dependences of the average electrical conductivity and average electron density of a helium plasma jet are presented.",

keywords = "Q-factor, atmospheric pressure plasma, breakdown, cylindrical microwave cavity, electron density, plasma jet, resonant frequency, transverse magnetic mode, voltagecontrolled generator",

author = "Aleksandr Astafiev and Aleksandr Altmark and Nikita Lesiv",

note = "Publisher Copyright: {\textcopyright} 2025 IEEE.; International Conference on Electrical Engineering and Photonics, EExPolytech 2025 ; Conference date: 16-10-2025 Through 17-10-2025",

year = "2025",

doi = "10.1109/EExPolytech66949.2025.11251982",

language = "英语",

pages = "364--367",

editor = "A. Orlova and A. Chekireva and A. Kuznetsova",

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Astafiev, A, Altmark, A & Lesiv, N 2025, Pulse-synchronized Complex for Microwave Diagnostics of Low-Temperature Atmospheric Plasma Jets. in A Orlova, A Chekireva & A Kuznetsova (eds), Proceedings of the 2025 International Conference on Electrical Engineering and Photonics, EExPolytech 2025. Institute of Electrical and Electronics Engineers Inc., pp. 364-367, International Conference on Electrical Engineering and Photonics, EExPolytech 2025, Saint Petersburg, Russian Federation, 16/10/25. https://doi.org/10.1109/EExPolytech66949.2025.11251982

Pulse-synchronized Complex for Microwave Diagnostics of Low-Temperature Atmospheric Plasma Jets. / Astafiev, Aleksandr; Altmark, Aleksandr; Lesiv, Nikita.
Proceedings of the 2025 International Conference on Electrical Engineering and Photonics, EExPolytech 2025. ed. / A. Orlova; A. Chekireva; A. Kuznetsova. Institute of Electrical and Electronics Engineers Inc., 2025. p. 364-367.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - A microwave diagnostic system in a cylindrical microwave cavity is proposed, which makes it possible to measure the average electron density of a plasma of an unsteady atmospheric plasma. Due to the use of a small cylindrical microwave resonator operating on the TM010 mode with a frequency of 2.85 GHz, it was possible to significantly increase the sensitivity of measurements. Another feature of the presented system is the use of a separate microwave generator and a microwave detector, which significantly increased the time resolution of measurements. The time dependences of the average electrical conductivity and average electron density of a helium plasma jet are presented.

AB - A microwave diagnostic system in a cylindrical microwave cavity is proposed, which makes it possible to measure the average electron density of a plasma of an unsteady atmospheric plasma. Due to the use of a small cylindrical microwave resonator operating on the TM010 mode with a frequency of 2.85 GHz, it was possible to significantly increase the sensitivity of measurements. Another feature of the presented system is the use of a separate microwave generator and a microwave detector, which significantly increased the time resolution of measurements. The time dependences of the average electrical conductivity and average electron density of a helium plasma jet are presented.

KW - Q-factor

KW - atmospheric pressure plasma

KW - breakdown

KW - cylindrical microwave cavity

KW - electron density

KW - plasma jet

KW - resonant frequency

KW - transverse magnetic mode

KW - voltagecontrolled generator

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BT - Proceedings of the 2025 International Conference on Electrical Engineering and Photonics, EExPolytech 2025

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A2 - Chekireva, A.

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PB - Institute of Electrical and Electronics Engineers Inc.

T2 - International Conference on Electrical Engineering and Photonics, EExPolytech 2025

Y2 - 16 October 2025 through 17 October 2025

ER -

Astafiev A, Altmark A, Lesiv N. Pulse-synchronized Complex for Microwave Diagnostics of Low-Temperature Atmospheric Plasma Jets. In Orlova A, Chekireva A, Kuznetsova A, editors, Proceedings of the 2025 International Conference on Electrical Engineering and Photonics, EExPolytech 2025. Institute of Electrical and Electronics Engineers Inc. 2025. p. 364-367 doi: 10.1109/EExPolytech66949.2025.11251982

Pulse-synchronized Complex for Microwave Diagnostics of Low-Temperature Atmospheric Plasma Jets

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