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Statistical Analysis of Crossed Undulator for Polarization Control in a SASE FEL
Yuantao Ding, Zhirong Huang
There is a growing interest in producing intense, coherent x-ray radiation with an adjustable and arbitrary polarization state. In this paper, we study the crossed undulator scheme…
Optical Klystron Enhancement to SASE X-ray FELs
Yuantao Ding, Paul Emma, Zhirong Huang +1
The optical klystron enhancement to self-amplified spontaneous emission (SASE) free electron lasers (FELs) is studied in theory and in simulations. In contrast to a seeded FEL, the…
Fully Coherent X-ray Pulses from a Regenerative Amplifier Free Electron Laser
Zhirong Huang, Ronald D. Ruth
We propose and analyze a novel regenerative amplifier free electron laser (FEL) to produce fully coherent x-ray pulses. The method makes use of narrow-bandwidth Bragg crystals to f…
Impact of the Wiggler Coherent Synchrotron Radiation Impedance on the Beam Instability
Juhao Wu, G. V. Stupakov, T. O. Raubenheimer +1
Coherent Synchrotron Radiation (CSR) can play an important role by not only increasing the energy spread and emittance of a beam, but also leading to a potential instability. Previ…