Jlab Status and Charge Stephen Benson March 5, 2012.

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Presentation transcript:

Jlab Status and Charge Stephen Benson March 5, 2012

IR Demo 41 periods Hybrid NdFeB 1.2 cm gap, fixed Krms = .98 Now installed at Daresbury and converted to variable gap. Achieved 2.1 kW CW at 3.2 microns

Optical Klystron Wavelength 20 cm Dispersion section K2 1–16 Number of periods 12 ea. Gap 26 mm Polarization vertical Phase error <2 deg. Dispersion section Length 58 cm Dispersion >40 periods for K2=16 Gap 26 mm Achieved 10 kW for 1 second pulses at 5.7 microns

W80 Undulator 29 periods Electromagnet 8 cm wavelength Krms = 0.5-1.1 rms phase error less than 1 degree

W55 Wiggler 30 periods Hybrid NdFeB 5.5 cm variable gap Krms = 0.5-2.95 Currently installed on IR Upgrade Achieved 14.3 kW CW at 1.6 microns

W33 Cornell Wiggler 60 periods Hybrid NdFeB 3.3 cm variable gap Krms = 0.5-1.51 Jaws returned to Cornell Achieved 200 Watts CW at 400 nm, mirror limited

W33 ANL Wiggler 64 periods Hybrid wedged pole NdFeB 3.3 cm variable gap Krms = 0.5-1.51 Presently installed on the UV Demo

The Future To get to much shorter wavelengths with variable polarization we have to go with something like the Cornell Delta undulator design but much longer as proposed in our JLAMP proposal.

Working Group Charge Working Group 7 – Undulators   Evaluate present limitations of undulator capabilities and derive new concepts and technologies that alleviate these limitations for both linearly and circularly polarized undulators. Consider methods to greatly improve the robustness of operation and to lower the cost of building and operating long, high quality undulators.