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LCLS-II FEL and Undulator Parameter Studies Update. Heinz-Dieter Nuhn – LCLS Undulator Group Leader March 10, 2010. LCLS-II U 2 FEL Performance Estimate. I pk = 2000 A, ge xy = 0.6 µm. linear. helical. < b > = 5 m, s g = 2.8. LCLS-II U 2 FEL Performance Estimate.
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LCLS-II FEL and Undulator Parameter Studies Update Heinz-Dieter Nuhn – LCLS Undulator Group Leader March 10, 2010
LCLS-II U 2 FEL Performance Estimate Ipk = 2000 A, gexy= 0.6 µm linear helical <b> = 5 m, sg = 2.8
LCLS-II U 2 FEL Performance Estimate Ipk = 2000 A, gexy= 0.6 µm linear helical <b> = 5 m, sg = 2.8
LCLS-II U 2 Small Period Undulator Ipk = 2000 A, gexy= 0.6 µm helical helical <b> = 4 m, sg = 2.8
Variable Polarization Undulator Types Adjustable Phase Undulators Two adjustable phase undulators assembled in one device**. APPLE-III* APPLE-II *J. Bahrdt, et al., UNDULATORS FOR THE BESSY SOFTX- RAY FEL, Proccedings of the 2004 FEL Conference, pp. 610-613. **A. Temnykh, Phys. Rev. ST Accel. Beams 11, 120702 (2008). Variable Gap DELTA Fixed Gap Full K range available through row adjustment
LCLS-I U 1 Enhancement 0.52 Å 130 m 9.6 Å Ipk = 3000 A, gexy= 0.6 µm 0.62 Å 11 Å 1.24 Å 1.5 Å 23 Å 15 Å 15 GeV 3.5 GeV sg = 2.8
