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Related Experiment Videos

Versatile modulators for laser-based FEL seeding at SwissFEL.

Marco Calvi1, Xiaoyang Liang1, Eugenio Ferrari2

  • 1Photon Science Division, Paul Scherrer Institute, 5232 Villigen, Switzerland.

Journal of Synchrotron Radiation
|March 9, 2023
PubMed
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Laser-based seeding at SwissFEL

Area of Science:

  • Free-electron laser physics
  • Advanced photon source technology

Background:

  • SwissFEL's soft X-ray beamline (Athos) requires improved temporal and spectral properties.
  • Laser-based seeding is a technique to enhance photon pulse characteristics.

Purpose of the Study:

  • To describe the design, magnetic measurements, alignment, and operation of modulators for laser-based seeding.
  • To detail the novel magnetic configuration of the prototype modulators.

Main Methods:

  • Implementation of laser-based seeding technology.
  • Design and magnetic measurements of two identical modulators.
  • Coupling electron beam with external laser (260-1600 nm wavelength).

Main Results:

  • Successful design and characterization of prototype modulators.
Keywords:
EEHGFELinsertion devicessoft X-ray

Related Experiment Videos

  • Demonstration of magnetic configuration suitable for laser seeding.

    • Conclusions:

    • The developed modulators are crucial components for implementing laser-based seeding at SwissFEL.
    • This advancement will enhance the performance of the Athos beamline.