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Design of the X-band cavity beam position monitor

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Abstract

The free-electron laser (FEL) is a fourth-generation light source producing coherent X-rays by using an interaction between the electromagnetic field and the electron bunch. Producing coherent X-rays requires sub-micron beam alignment in the undulator section of the FEL. The cavity beam position monitor (BPM), as a non-destructive diagnostics tool, can provide sub-micron resolution in the beam position reading. In this research, an X-band cavity BPM were modelled and simulated. The RF properties and the signal response of the cavity BPM were calculated by using an electromagnetic field simulation program (CST Studio Suite).

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Authors and Affiliations

  1. Department of Physics, Pohang University of Science and Technology, Pohang, 790-784, Korea

    Sojeong Lee & In Soo Ko

  2. Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang, 790-784, Korea

    Changbum Kim, Seunghwan Kim, Juho Hong & Heungsik Kang

Authors
  1. Sojeong Lee
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  2. In Soo Ko
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  3. Changbum Kim
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  4. Seunghwan Kim
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  5. Juho Hong
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  6. Heungsik Kang
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Corresponding author

Correspondence to Changbum Kim.

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Lee, S., Ko, I.S., Kim, C. et al. Design of the X-band cavity beam position monitor. Journal of the Korean Physical Society 63, 1322–1326 (2013). https://doi.org/10.3938/jkps.63.1322

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  • DOI: https://doi.org/10.3938/jkps.63.1322

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