
Proceedings Paper
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Paper Abstract
Pohang Accelerator Laboratory (PAL) is developing a 0.1 nm SASE based FEL based on 10 GeV S-band linear accelerator named PAL-XFEL. At the first stage, PAL-XFEL needs two undulator lines for photon source. The hard Xray undulator line requires 18 units of 5 m long hybrid-type conventional planar undulator and soft X-ray line requires 6 units of 5 m long hybrid type planar undulator with additional few EPUs for final polarization control. PAL is developing undulator magnetic structure based on EU-XFEL concepts. The key parameters are min pole gap of 8.3 mm, with period length 26 mm (HXU), 35 mm (SXU), and 5.0 m magnetic length. . In this report, the prototyping, and the development of pole tuning procedure, the impact of the background field error, and the effects of the girder bending on the optical phase error will be presented.
Paper Details
Date Published: 12 May 2015
PDF: 9 pages
Proc. SPIE 9512, Advances in X-ray Free-Electron Lasers Instrumentation III, 951206 (12 May 2015); doi: 10.1117/12.2182351
Published in SPIE Proceedings Vol. 9512:
Advances in X-ray Free-Electron Lasers Instrumentation III
Sandra G. Biedron, Editor(s)
PDF: 9 pages
Proc. SPIE 9512, Advances in X-ray Free-Electron Lasers Instrumentation III, 951206 (12 May 2015); doi: 10.1117/12.2182351
Show Author Affiliations
Dong-Eon Kim, Pohang Univ. of Science and Technology (Korea, Republic of)
Ki-Hyeon Park, Pohang Univ. of Science and Technology (Korea, Republic of)
Heung-Sik Kang, Pohang Univ. of Science and Technology (Korea, Republic of)
Ki-Hyeon Park, Pohang Univ. of Science and Technology (Korea, Republic of)
Heung-Sik Kang, Pohang Univ. of Science and Technology (Korea, Republic of)
In-Soo Ko, Pohang Univ. of Science and Technology (Korea, Republic of)
Moo-Hyun Cho, Pohang Univ. of Science and Technology (Korea, Republic of)
Pohang Accelerator Lab. (Korea, Republic of)
Jochaim Pflueger, European XFEL GmbH (Germany)
Moo-Hyun Cho, Pohang Univ. of Science and Technology (Korea, Republic of)
Pohang Accelerator Lab. (Korea, Republic of)
Jochaim Pflueger, European XFEL GmbH (Germany)
Published in SPIE Proceedings Vol. 9512:
Advances in X-ray Free-Electron Lasers Instrumentation III
Sandra G. Biedron, Editor(s)
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