High-power microwave transmission systems for electron-cyclotron-resonance plasma heating

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This progress report is for the sixth year of a grant from the US Department of Energy for the design, development, and fabrication of ECRH transmission and mode conversion systems to transport microwave power from a gyrotron to a magnetically confined plasma. The design and low-power testing of new and improved components for such systems and development of underlying theory is the focus of this project. Devising and improving component testing and diagnostic techniques is also an important part of this effort. The development of possible designs for sections of gyrotrons themselves, such as tapers or Vlasov-type launchers, in support ... continued below

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Pages: (49 p)

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Vernon, R.J. August 1, 1991.

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Description

This progress report is for the sixth year of a grant from the US Department of Energy for the design, development, and fabrication of ECRH transmission and mode conversion systems to transport microwave power from a gyrotron to a magnetically confined plasma. The design and low-power testing of new and improved components for such systems and development of underlying theory is the focus of this project. Devising and improving component testing and diagnostic techniques is also an important part of this effort. The development of possible designs for sections of gyrotrons themselves, such as tapers or Vlasov-type launchers, in support of the Varian gyrotron development program is also considered when appropriate. We also provide support to other groups working on ECR heating of magnetically confined plasmas such as the groups at General Atomics, the University of Texas at Austin, and Lawrence Livermore National Laboratory. During the last year, we designed and had fabricated a two-dimensional Vlasov antenna system for a 110 GHz TE{sub 15,2} mode gyrotron for possible use at General Atomics. The system included the launcher section, a visor, main reflector, and focusing reflector. Programs to generate the tool-path profiles to cut the General Atomics'' Vlasov components on a milling machine were developed. We have also developed state-of-the art theory and programs for three-dimensional whispering-gallery-mode Vlasov antenna systems. A design for a 110 GHz TE{sub 01}-TE{sub 15,2} mode converter system for cold testing WGM Vlasov antenna systems was developed and is currently being fabricated also.

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Pages: (49 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • Other: DE92000020
  • Report No.: DOE/ER/52122-6
  • Grant Number: FG02-85ER52122
  • DOI: 10.2172/5182806 | External Link
  • Office of Scientific & Technical Information Report Number: 5182806
  • Archival Resource Key: ark:/67531/metadc1061683

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Office of Scientific & Technical Information Technical Reports

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  • August 1, 1991

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 26, 2018, 5:49 p.m.

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Vernon, R.J. High-power microwave transmission systems for electron-cyclotron-resonance plasma heating, report, August 1, 1991; United States. (digital.library.unt.edu/ark:/67531/metadc1061683/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.