A transmission line filled with fast switched periodic plasma as a wide-band frequency transformer

Spencer P. Kuo; Daniel Bivolaru; Lester Orlick; Igor Alexeff; Dikshitulu K. Kalluri

doi:10.1109/27.922747

A transmission line filled with fast switched periodic plasma as a wide-band frequency transformer

Spencer P. Kuo, Daniel Bivolaru, Lester Orlick, Igor Alexeff, Dikshitulu K. Kalluri

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

An adiabatic theory is first presented to show the enhancing effects of a periodic structure and a magnetic field on wave frequency-shifting process by rapidly produced plasma. A device having a cylindrical coaxial line configuration and featuring with a periodic cusp magnetic field is then constructed to study the theoretically predicted time-domain wave phenomena. The magnetic field is introduced by ring-shaped permanent magnets installed outside the outer cylinder of the coax in an arrangement with alternating polarities. A rapid discharge by a rectangular voltage pulse between the center conductor and the outer cylinder of the coax generates periodically distributed plasma inside the coax. As an x-band test wave is introduced to propagate through the line, it is shown that the wave frequency is shifted both upward and downward by suddenly created periodically distributed plasma. The effectiveness of the magnetic field (periodic as well as uniform distribution) on broadening the power spectra of frequency-shifted waves is demonstrated by comparing the spectra for the magnetized cases with that for the unmagnetized case.

Original language	English (US)
Pages (from-to)	365-370
Number of pages	6
Journal	IEEE Transactions on Plasma Science
Volume	29
Issue number	2 II
DOIs	https://doi.org/10.1109/27.922747
State	Published - Apr 2001

Keywords

Electromagnetic propagation in plasma media
Periodic structures
Plasma devices

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

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10.1109/27.922747

Cite this

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title = "A transmission line filled with fast switched periodic plasma as a wide-band frequency transformer",

abstract = "An adiabatic theory is first presented to show the enhancing effects of a periodic structure and a magnetic field on wave frequency-shifting process by rapidly produced plasma. A device having a cylindrical coaxial line configuration and featuring with a periodic cusp magnetic field is then constructed to study the theoretically predicted time-domain wave phenomena. The magnetic field is introduced by ring-shaped permanent magnets installed outside the outer cylinder of the coax in an arrangement with alternating polarities. A rapid discharge by a rectangular voltage pulse between the center conductor and the outer cylinder of the coax generates periodically distributed plasma inside the coax. As an x-band test wave is introduced to propagate through the line, it is shown that the wave frequency is shifted both upward and downward by suddenly created periodically distributed plasma. The effectiveness of the magnetic field (periodic as well as uniform distribution) on broadening the power spectra of frequency-shifted waves is demonstrated by comparing the spectra for the magnetized cases with that for the unmagnetized case.",

keywords = "Electromagnetic propagation in plasma media, Periodic structures, Plasma devices",

author = "Kuo, {Spencer P.} and Daniel Bivolaru and Lester Orlick and Igor Alexeff and Kalluri, {Dikshitulu K.}",

note = "Funding Information: Manuscript received June 21, 2000; revised February 6, 2001. This work was supported by the Air Force Office of Scientific Research (AFOSR) under Grant AFOSR-F49620-97-1-0294. S. P. Kuo, D. Bivolaru, and L. Orlick are with Polytechnic University, Farm-ingdale, NY 11735 USA. I. Alexeff is with the University of Tennessee, Knoxville, TN 37996-2100 USA. D. K. Kalluri is with the University of Massachusetts, Lowell, MA 01854 USA. Publisher Item Identifier S 0093-3813(01)03805-X.",

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N1 - Funding Information: Manuscript received June 21, 2000; revised February 6, 2001. This work was supported by the Air Force Office of Scientific Research (AFOSR) under Grant AFOSR-F49620-97-1-0294. S. P. Kuo, D. Bivolaru, and L. Orlick are with Polytechnic University, Farm-ingdale, NY 11735 USA. I. Alexeff is with the University of Tennessee, Knoxville, TN 37996-2100 USA. D. K. Kalluri is with the University of Massachusetts, Lowell, MA 01854 USA. Publisher Item Identifier S 0093-3813(01)03805-X.

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N2 - An adiabatic theory is first presented to show the enhancing effects of a periodic structure and a magnetic field on wave frequency-shifting process by rapidly produced plasma. A device having a cylindrical coaxial line configuration and featuring with a periodic cusp magnetic field is then constructed to study the theoretically predicted time-domain wave phenomena. The magnetic field is introduced by ring-shaped permanent magnets installed outside the outer cylinder of the coax in an arrangement with alternating polarities. A rapid discharge by a rectangular voltage pulse between the center conductor and the outer cylinder of the coax generates periodically distributed plasma inside the coax. As an x-band test wave is introduced to propagate through the line, it is shown that the wave frequency is shifted both upward and downward by suddenly created periodically distributed plasma. The effectiveness of the magnetic field (periodic as well as uniform distribution) on broadening the power spectra of frequency-shifted waves is demonstrated by comparing the spectra for the magnetized cases with that for the unmagnetized case.

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A transmission line filled with fast switched periodic plasma as a wide-band frequency transformer

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