The SwissFEL Experimental Laser facility

  • Erny C
  • Hauri C
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The hard X-ray laser SwissFEL at the Paul Scherrer Institute is currently being commissioned and will soon become available for users. In the current article the laser facility is presented, an integral part of the user facility, as most time-resolved experiments will require a versatile optical laser infrastructure and precise information about the relative delay between the X-ray and optical pulse. The important key parameters are a high availability and long-term stability while providing advanced laser performance in the wavelength range from ultraviolet to terahertz. The concept of integrating a Ti:sapphire laser amplifier system with subsequent frequency conversion stages and drift compensation into the SwissFEL facility environment for successful 24 h/7 d user operation is described.




Erny, C., & Hauri, C. P. (2016). The SwissFEL Experimental Laser facility. Journal of Synchrotron Radiation, 23(5), 1143–1150.

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