Smith-Purcell coherent THz radiation signal modulation measurements for monitoring of separation of femtosecond electron micro-bunches

I. V. Konoplev, H. Zhang, A. J. Lancaster, H. Harrison, G. Doucas, A. Aryshev, M. Shevelev, N. Terunuma, J. Urakawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Micro-bunched particle beams are used for a wide range of research including tunable sources of THz radiation. In most of the applications accurate and non-destructive monitoring of the bunch-to-bunch separation is required. We present the results of proof-of-principle experiments on measuring the distance between two micro-bunches via the analysis of the coherent Smith-Purcell signal amplitude modulation. The proposed monitor can be used to provide feedback to control the sum-millimeter distances between the femtosecond long micro-bunches to stabilize the operation of a THz oscillator or to position the witness bunch into the right phase of the wakefield.

Original languageEnglish
Title of host publication2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
PublisherIEEE Computer Society
ISBN (Electronic)9781509060481
DOIs
Publication statusPublished - 12 Oct 2017
Externally publishedYes
Event42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 - Cancun, Quintana Roo, Mexico
Duration: 27 Aug 20171 Sep 2017

Publication series

NameInternational Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
ISSN (Print)2162-2027
ISSN (Electronic)2162-2035

Conference

Conference42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017
CountryMexico
CityCancun, Quintana Roo
Period27.8.171.9.17

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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