Soft X-ray FEL simulation in PAL-XFEL
SCIE
SCOPUS
KCI
- Title
- Soft X-ray FEL simulation in PAL-XFEL
- Authors
- Shim, CH; Ko, IS; Parc, YW; Han, JH
- Date Issued
- 2015-10
- Publisher
- KOREAN PHYSICAL SOC
- Abstract
- The soft X-ray beamline in the Pohang Accelerator Laboratory X-ray Free Electron Laser (PAL-XFEL) will provide a photon beam with a wavelength from 1 nm to 3 nm in the self-amplified spontaneous emission (SASE) mode by using an electron beam with a 3.15-GeV beam energy. Linearly polarized radiation will be supplied by using six planar undulators (PUs). The linearly-polarized radiation powers at 1 (3) nm can reach 10.2 (30) GW. Polarization of the radiation will be controlled by applying the reverse undulator tapering scheme to the PUs and adding two helical undulators (HUs). The circularly-polarized radiation powers at 1 (3) nm will be 3.11 (11.73) GW. The degrees of circular polarization will be larger than 0.99 for both wavelengths. Three options for the future upgrade of the beamline to increase the radiation power are proposed.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/35440
- DOI
- 10.3938/JKPS.67.1301
- ISSN
- 0374-4884
- Article Type
- Article
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 67, no. 8, page. 1301 - 1308, 2015-10
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