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https://doi.org/10.18429/JACoW-LINAC2022-MOPOJO18
Title Manipulation and Measurement of Polarization State for THz Coherent Undulator Radiation
Authors
  • S. Kashiwagi, H. Hama, F. Hinode, T. Muto, I. Nagasawa, K. Nanbu, H. Saito
    Tohoku University, Research Center for Electron Photon Science, Sendai, Japan
  • A. Irizawa
    ISIR, Osaka, Japan
  • H. Zen
    Kyoto University, Kyoto, Japan
Abstract We are developing an accelerator-based terahertz source that can produce arbitrary polarization states from linearly polarized coherent undulator radiation (CUR). The polarization manipulation of the CUR can be realized using the Martin’Puplett interferometer employed as an optical phase shifter. This study also demonstrates a variable polarization manipulator by using the terahertz CUR (THz-CUR) source based on an extremely short electron bunch at Research Center for Electron Photon Science (ELPH), Tohoku University. The horizontally polarized CUR with a frequency of 1.9 THz was manipulated into variable polarization state, and Stokes parameters were measured to derive the degree of polarization. Beam experimental results will be presented in this conference.
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Conference LINAC2022
Series International Linear Accelerator Conference (31st)
Location Liverpool, UK
Date 28 August-02 September 2022
Publisher JACoW Publishing, Geneva, Switzerland
Editorial Board Peter McIntosh (STFC DL, Daresbury, UK); Graeme Burt (Lancaster Univ., Lancaster, UK); Robert Apsimon (Lancaster Univ., Lancaster, UK); Volker R.W. Schaa (GSI, Darmstadt, Germany)
Online ISBN 978-3-95450-215-8
Online ISSN 2226-0366
Received 09 September 2022
Revised 18 September 2022
Accepted 21 September 2022
Issue Date 12 October 2022
DOI doi:10.18429/JACoW-LINAC2022-MOPOJO18
Pages 69-72
Copyright
Creative Commons CC logoPublished by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 International license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.