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PAL XFEL의 언듈레이터 허용오차에 관한 연구

Title
PAL XFEL의 언듈레이터 허용오차에 관한 연구
Authors
이재유
Date Issued
2010
Publisher
포항공과대학교
Abstract
A tolerance study of the undulator parameter error for the 0.1 nm X-ray Free Electron Laser at Pohang Accelerator Laboratory (PAL XFEL) has been performed and the results are presented in this paper. Effects of random and periodic errors on the FEL performance have been investigated, especially on the saturation power and saturation length. Periodic errors include sinusoidal and sawtooth forms. The study assumes non-steering error because it can be cured by beam-based alignment technique. As a result, we found that an rms 0.05% random error of undulator K increases the saturation length approximately by 2% and decreases the satuation power by 6%.
URI
http://postech.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000000563469
http://oasis.postech.ac.kr/handle/2014.oak/654
Article Type
Thesis
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