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Murphy, J.B.

Paper Title Page
TUP053 Experimental Characterization and Optimization of High-brightness Electron Beam at the NSLS SDL 521
  • X. Yang, J.B. Murphy, H.J. Qian, S. Seletskiy, Y. Shen, X.J. Wang
    BNL, Upton, Long Island, New York

The Source Development Laboratory (SDL) at the National Synchrotron Light Source (NSLS) is a laser linac facility dedicated for laser seeded FEL and beam physics R&D. The SDL consists of a RF synchronized Ti:sapphire laser, a BNL photocathode RF gun, a four-magnet chicane bunch compressor, and a 300 MeV linac. To further improve the performance of the laser seeded FEL at the NSLS SDL, we have carried out a systematic experimental characterization of the high-brightness electron beam generated by the photocathode RF gun. We will present the experimental studies of both transverse and longitudinal emittance of electron beam as a function of RF gun phase and solenoid magnet for electron beam charge ranging from 350 pC to 1 nC and their influences on FEL output.