CERN Accelerating science

Article
Title Optimization of a Soft X-Ray SASE-FEL Parameters at Pohang Accelerator Laboratory
Author(s) Yoon, Moohyun ; Han, J E
Affiliation (POSTECH, Pohang, Kyungbuk PAL, Pohang)
Publication 2004
In: 26th International Free Electron Laser Conference and 11th FEL User Workshop 2004, Trieste, Italy, 29 Aug - 3 Sep 2004, pp.e-proc. MOPOS38
Subject category Accelerators and Storage Rings
Abstract A free-electron laser (FEL) based on self-amplified spontaneous emission has been designed. This FEL is utilizing the existing 2.5 GeV electron linear accelerator at Pohang Accelerator Laboratory (PAL). The radiation wavelength was chosen to be in the water-window region 3-4 nm which can be used for biological imaging. In this paper, it is shown that the PAL is particularly suited for this wavelength if the existing linear accelerator is employed without having major modification. For 4 nm wavelength, the saturated power is shown to be 12 GW with a saturation length of about 25 m.



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