Output measurements of a highly overmoded W-band source

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Abstract

Use of overmoded interaction structures to obtain higher powers from mm-wave vacuum electronic sources is an approach that is being used in the research reported here. To provide mode selectivity a two dimensional corrugated periodic structure is constructed on the inner surface of the conducting cylindrical slow wave interaction region that is excited by an annular electron beam. This two dimensional structure consists of a periodic surface lattice that is designed to facilitate coupling of the wave fields to generate a powerful single frequency output, even though the ratio of the diameter of the structure to the emitted wavelength is ~5. Recent measurements of the output of this mm-wave source are presented.
Original languageEnglish
Pages1-2
Number of pages2
Publication statusPublished - 5 Sep 2018
Event11th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies - Hangzhou Dianzi University Science & Technology Museum, Hangzhou, China
Duration: 5 Sep 20187 Sep 2018
http://www.em-conf.com/ucmmt2018/

Conference

Conference11th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies
Abbreviated titleUCMMT 2018
CountryChina
CityHangzhou
Period5/09/187/09/18
Internet address

Keywords

  • 2 dimentional structure
  • mm-wave source
  • corrugated periodic structures

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  • Research Output

    Resonant excitation of volume and surface fields on complex electrodynamic surfaces

    MacLachlan, A. J., Robertson, C. W., Konoplev, I. V., Cross, A. W., Phelps, A. D. R. & Ronald, K., 14 Mar 2019, In : Physical Review Applied. 11, 3, 8 p., 034034.

    Research output: Contribution to journalArticle

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  • 3 Citations (Scopus)
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    Cite this

    MacLachlan, A. J., Phipps, A. R., Robertson, C. W., Yin, H., Zhang, L., Cross, A. W., & Phelps, A. D. R. (2018). Output measurements of a highly overmoded W-band source. 1-2. Paper presented at 11th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies, Hangzhou, China.