|TUPRB052||The Mini-Period Permanent Magnet Staggered Undulator for Compact X-Ray Free Electron Laser||1797|
Funding: Work supported by National Natural Science Foundation of China under grant of 11505174, 11505173 and 11605190.
Miniaturization of X-ray free electron laser requires reduction of undulator period length. In this proceeding, a mini-period permanent magnet staggered undulator was proposed, which is free of superconducting solenoid and thus has advantages of easy-manufacture and low-cost. After optimization, it can generate periodic field of peak field 0.71 T with period length 10 mm and pole gap 2 mm, which has been verified on a prototype. Combined with X-band linac, the length of 1 nm XFEL facility using the permanent magnet staggered undulator can be confined within 44 m.
|DOI •||reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2019-TUPRB052|
|About •||paper received ※ 30 April 2019 paper accepted ※ 18 May 2019 issue date ※ 21 June 2019|
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