CHU CHENG, LU ZAITONG, SHI RUIGEN, ZHANG LIGEN, HU YU. A bifilar-helix wiggler used in a free-electron laser[J]. Acta Optica Sinica, 1986, 6(8): 673
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We have developed a bifilar helix wiggler used in a Raman free-electron-laser, and have measured its operating characteristics. By using this wiggler as a pump source, we have obtained free-electron laser radiation and oarried out preliminary parametric studies.