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| TUAH4 |
Using a Bessel Light Beam as an Ultra-short Period Helical Undulator |
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- B.C. Jiang, J.H. Chen, Q.L. Zhang, Z.T. Zhao
SINAP, Shanghai, People's Republic of China
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An undulator is a critical component to produce synchrotron radiation and free electron laser. When a Bessel light beam carrying the orbit angular momentum co-propagates with an electron beam bunch, a net transverse deflection force will be subjected to the latter one. As a result of dephasing effect, the deflection force will oscillate and act as an undulator. For such a laser based undulator, the period length can reach sub-millimeter level, which will greatly reduce the electron energy for the required X-ray production.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-SAP2017-TUAH4
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