Publications [#249259] of Ying Wu

Papers Published
  1. Wu, YK; Mikhailov, S; Li, J; Popov, V; Vinokurov, NA; Gavrilov, NG; Shevchenko, OA; Vobly, PD; Kulipanov, GN, First lasingand initial operation ofa circularly polarized optical klystron ok-5 felandavariably polarized distributed optical klystron DOK-1 FEL at DUKE, Proceedings of the 27th International Free Electron Laser Conference Fel 2005 (December, 2005), pp. 407-410 .

    Abstract:
    To improve the capability and performance of its light sources, the Duke FEL lab (DFELL) is upgrading its storage ring based FEL. The existing linearly polarized OK-4 FEL wigglers are being replaced gradually by the next generation OK-5 wigglers capable of producing either linearly or circularly polarized light. In the second phase of this upgrade in 2005, the OK-5 FEL consisting of two wigglers is installed together with the OK-4 FEL in a specially designed magnetic lattice. The circularly polarized OK-5 FEL was first brought to lasing on Aug. 14, 2005. In the following days, the first distributed optical klystron FEL with variable polarization, the DOK-1 FEL, comprised of two horizontal OK-4 wigglers and two circular OK-5 wigglers, was brought to lasing for the first time. In this paper, we report our commissioning experience and initial measurements of both the OK-5 FEL and DOK-1 FEL.

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