期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0168-9002(02)00377-7
关键词
tapered undulator; self-amplified spontaneous emission
We discuss the use of tapered undulators to enhance the performance of free-electron lasers (FELs) based upon self-amplified spontaneous emission, where the radiation tends to have a relatively broad bandwidth and limited temporal coherence. Using the polychromatic FEL simulation code GINGER, we numerically demonstrate the effectiveness of tapered undulators for parameters corresponding to the Argonne low-energy undulator test line FEL and the proposed linac coherent light source. (C) 2002 Elsevier Science B.V. All rights reserved.
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