Highly overmoded MM-wave oscillator experiments

Research output: Contribution to conferencePaper

Abstract

Overmoded oscillator research has been an active area of interest at the University of Strathclyde for several years. Interaction structures based on complex electrodynamic structures can facilitate higher powers from overmoded mmwave sources. The gain media used can be vacuum electronic, or condensed matter. The present work reports on the most recent experimental results using a vacuum electronic overmoded source in W-band (75-110 GHz). A two dimensional cylindrical slow wave interaction region is excited by an annular electron beam. Whereas in conventional sources the transverse dimensions of the slow wave structure (SWS) are comparable with the free space wavelength, in these experiments the structure diameter is approximately five free space wavelengths. Recent experimental progress is presented.

Conference

Conference12th UK-Europe-China Workshop on Millimetre Waves and THz Technologies (UCMMT 2019)
Abbreviated titleUCMMT 2019
CountryUnited Kingdom
CityLondon
Period20/08/1922/08/19
Internet address

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oscillators
vacuum
wave interaction
electronics
wavelengths
electrodynamics
electron beams
interactions

Keywords

  • periodic surface lattice
  • dispersion curve

Cite this

Cross, A. W., MacLachlan, A. J., Robertson, C. W., Zhang, L., Ronald, K., & Phelps, A. D. R. (2019). Highly overmoded MM-wave oscillator experiments. Paper presented at 12th UK-Europe-China Workshop on Millimetre Waves and THz Technologies (UCMMT 2019), London, United Kingdom.
Cross, A. W. ; MacLachlan, A. J. ; Robertson, C. W. ; Zhang, L. ; Ronald, K. ; Phelps, A. D. R. / Highly overmoded MM-wave oscillator experiments. Paper presented at 12th UK-Europe-China Workshop on Millimetre Waves and THz Technologies (UCMMT 2019), London, United Kingdom.2 p.
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abstract = "Overmoded oscillator research has been an active area of interest at the University of Strathclyde for several years. Interaction structures based on complex electrodynamic structures can facilitate higher powers from overmoded mmwave sources. The gain media used can be vacuum electronic, or condensed matter. The present work reports on the most recent experimental results using a vacuum electronic overmoded source in W-band (75-110 GHz). A two dimensional cylindrical slow wave interaction region is excited by an annular electron beam. Whereas in conventional sources the transverse dimensions of the slow wave structure (SWS) are comparable with the free space wavelength, in these experiments the structure diameter is approximately five free space wavelengths. Recent experimental progress is presented.",
keywords = "periodic surface lattice, dispersion curve",
author = "Cross, {A. W.} and MacLachlan, {A. J.} and Robertson, {C. W.} and L. Zhang and K. Ronald and Phelps, {A. D. R.}",
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Cross, AW, MacLachlan, AJ, Robertson, CW, Zhang, L, Ronald, K & Phelps, ADR 2019, 'Highly overmoded MM-wave oscillator experiments' Paper presented at 12th UK-Europe-China Workshop on Millimetre Waves and THz Technologies (UCMMT 2019), London, United Kingdom, 20/08/19 - 22/08/19, .

Highly overmoded MM-wave oscillator experiments. / Cross, A. W.; MacLachlan, A. J.; Robertson, C. W.; Zhang, L.; Ronald, K.; Phelps, A. D. R.

2019. Paper presented at 12th UK-Europe-China Workshop on Millimetre Waves and THz Technologies (UCMMT 2019), London, United Kingdom.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Highly overmoded MM-wave oscillator experiments

AU - Cross, A. W.

AU - MacLachlan, A. J.

AU - Robertson, C. W.

AU - Zhang, L.

AU - Ronald, K.

AU - Phelps, A. D. R.

PY - 2019/8/20

Y1 - 2019/8/20

N2 - Overmoded oscillator research has been an active area of interest at the University of Strathclyde for several years. Interaction structures based on complex electrodynamic structures can facilitate higher powers from overmoded mmwave sources. The gain media used can be vacuum electronic, or condensed matter. The present work reports on the most recent experimental results using a vacuum electronic overmoded source in W-band (75-110 GHz). A two dimensional cylindrical slow wave interaction region is excited by an annular electron beam. Whereas in conventional sources the transverse dimensions of the slow wave structure (SWS) are comparable with the free space wavelength, in these experiments the structure diameter is approximately five free space wavelengths. Recent experimental progress is presented.

AB - Overmoded oscillator research has been an active area of interest at the University of Strathclyde for several years. Interaction structures based on complex electrodynamic structures can facilitate higher powers from overmoded mmwave sources. The gain media used can be vacuum electronic, or condensed matter. The present work reports on the most recent experimental results using a vacuum electronic overmoded source in W-band (75-110 GHz). A two dimensional cylindrical slow wave interaction region is excited by an annular electron beam. Whereas in conventional sources the transverse dimensions of the slow wave structure (SWS) are comparable with the free space wavelength, in these experiments the structure diameter is approximately five free space wavelengths. Recent experimental progress is presented.

KW - periodic surface lattice

KW - dispersion curve

UR - http://imws2014.eecs.qmul.ac.uk/

M3 - Paper

ER -

Cross AW, MacLachlan AJ, Robertson CW, Zhang L, Ronald K, Phelps ADR. Highly overmoded MM-wave oscillator experiments. 2019. Paper presented at 12th UK-Europe-China Workshop on Millimetre Waves and THz Technologies (UCMMT 2019), London, United Kingdom.