Field measurement facility for the PAL-XFEL undulator
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KCI
- Title
- Field measurement facility for the PAL-XFEL undulator
- Authors
- Park, KH; Jung, YG; Kim, DE; Lee, HG; Suh, HS; Han, HS; Lee, SB; Lee, MS; Lee, BH; Sung, CW; Kim, SN; Ko, IS
- Date Issued
- 2015-02
- Publisher
- KOREAN PHYSICAL SOC
- Abstract
- The Pohang Accelerator Laboratory (PAL) is developing a self amplification of spontaneous emission (SASE) based free electron laser (FEL) for X-ray coherent photon sources. The PAL developed a prototype undulator that had a 5.0 m magnetic length and a 7.2 mm minimum gap at a magnetic field of similar to 0.908 T. The PAL has constructed an undulator field measurement facility to confirm the field qualities of the X-ray free electron laser (XFEL) undulators in the assembly building. Two field measurement benches which included a Hall probe scanner, a flip coil and a stretched wire system were installed and their performances were evaluated. This paper describes the field measurement facility and presents the performance test results of the two benches.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/107972
- DOI
- 10.3938/JKPS.66.317
- ISSN
- 0374-4884
- Article Type
- Article
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 66, no. 3, page. 317 - 322, 2015-02
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