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W.S. Graves MIT Presented at High Brightness Electron Beams Workshop San Juan, PR March, 2013 High Brilliance X-rays from Compact Sources 1 W.S. Graves, MIT, March 2013 Slide 2 2 People MIT K. Berggren, J. Bessuille, P. Brown, W. Graves, R. Hobbs, K.-H. Hong, W. Huang, E. Ihloff, F. Kaertner, D. Keathley, D. Moncton, E. Nanni, M. Swanwick, L. Vasquez-Garcia, L. Wong, Y. Yang, L. Zapata DESY J. Derksen, A. Fallahi, F. Kaertner NIU D. Mihalcea, P. Piot, I. Viti SLAC V. Dolgashev, S. Tantawi Jefferson Lab F. Hannon, J. Mammosser,... W.S. Graves, MIT, March 2013 With funding from DARPA AXis, DOE-BES, and NSF-DMR Slide 3 3 GunLinacICS IR laser or THz X-rays 3 m ebeam dump Cathode laser Basic Layout for ICS Quads W.S. Graves, MIT, March 2013 Slide 4 RF GUN LINAC EMITTANCE EXCHANGE LINE ICS X-RAY GENERATOR ELECTRON SPECTROMETER Not shown - klystron and modulator housed in one 19 X 6 rack - instrumentation & power supplies housed in one 19 X 6 rack - 10W (10 mJ at 1 kHz) mode locked Ti:Sapp amplifier for photocathode and ICS collision - x-ray optics X-band ICS source with 1 kHz rep rate Equipment cost $3M X-rays 0.1 12 keV W.S. Graves, MIT, March 2013 Slide 5 RF GUN LINAC EMITTANCE EXCHANGE LINE ICS X-RAY GEN. ELECTRON SPECTROMETER X-band ICS source with 1 kHz rep rate W.S. Graves, MIT, March 2013 Slide 6 6 Simulated -mode with coupling Standing wave accelerator structure with distributed coupling Feed power Coupler to two adjacent cells Just 3 MW RF power to accelerate 20 MeV in 1 m 1 kHz rep rate with 9.3 GHz klystron developed for medical linacs 1 kHz solid-state modulator with