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Zhang, S.

Paper Title Page
TUPPH061 Phase Noise Comparision of Short Pulse Laser Systems 466
 
  • S. Zhang, S. V. Benson, J. Hansknecht, D. Hardy, G. Neil, M. D. Shinn
    Jefferson Lab, Newport News, Virginia
 
  This paper describes the phase noise measurement on several different mode-locked laser systems that have completely different gain media and configurations including a multi-kW free-electron laser. We will focus on the state of the art short pulse lasers, especially the drive lasers for photocathode injectors. A comparison between the phase noise of the drive laser pulses, electron bunches and FEL pulses will also be presented.  
THPPH066 Longitudinal Phase Space Characterization of Electron Bunches At the JLab FEL Facility 740
 
  • S. Zhang, S. V. Benson, D. Douglas, D. Hardy, G. Neil, M. D. Shinn
    Jefferson Lab, Newport News, Virginia
 
  We report the latest measurement of the longitudinal phase space of electron bunches on our 10kW free-electron laser facility. The design and construction of an all reflective optical transport has made it possible to make full use of broadband synchrotron radiation and perform a high-efficiency dispersion-free measurement with a remote fast streak camera. The evolution of the longitudinal phase space can be observed live when the accelerating RF phase is tuned. The results for different beam setups including low and high current will be presented.