Polarization Analysis for Seeded FELs in a Crossed-Planar Undulator
Conference
·
· Conf.Proc.C100523:TUPE068,2010
OSTI ID:1044624
The crossed-planar undulator is a promising scheme for full polarization control in x-ray FELs. For SASE FELs, it has been shown a maximum degree of circular polarization of about 80% is achievable at fundamental wavelength just before saturation. In this paper, we study the effectiveness of a crossed undulator for a seeded x-ray FEL. The degree of circular polarization for both the fundamental and the harmonic radiation are considered. Simulations with realistic beam distributions show that a degree of circular polarization of over 90% and 80% is obtainable at the fundamental and 2nd harmonic frequencies, respectively.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC)
- Sponsoring Organization:
- US DOE Office of Science (DOE SC)
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1044624
- Report Number(s):
- SLAC-PUB-15115
- Conference Information:
- Journal Name: Conf.Proc.C100523:TUPE068,2010
- Country of Publication:
- United States
- Language:
- English
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