Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory New High-Level Applications for 2009 Henrik Loos

Applications for 11 November 2008 SLAC National Accelerator Laboratory Applications for 2009 Beam-Based Alignment of the FEL Undulator - (Loos) Undulator Steering and re-Pointing - (Nuhn) K-measurement Application - (Welch) Beam-Finder Wire Application - Centering & Emittance - (Loos/Nuhn) LTU Emittance Measurement - (Loos - extension of existing GUI) Beta-Matching into undulator - (Loos - extension of existing GUI) FEL Gain measurement – (Ratner/Huang)

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory HLA Software Upgrade Upgrades to existing software LTU Wire Scanners LTU & DMP Profile Monitors LTU Emittance Measurement WS32/OTR33 Undulator Beam Finder Wires Twiss Matching for LTU & Undulator New applications Undulator Beam based alignment Undulator K-measurement FEL Gain measurement

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Beam Finder Wires In/Out Scan Beam Undulator QuadRF BPM Girder BFW Use Matlab interface for girder motion control (J. Welch) Implement BFW position and beam size measurement in wire scanner application

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Extensions to Wire Scanner Application New LTU Wire Scanners Beam Finder Wires

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory LTU to Dump Beam Line FODO lattice for WS Drift for Slice emittance Undulator Dump LTU Bends

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Extensions to Emittance Application New Measurements EDSYS Matching Config Beam Finder Wires

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory LTU Slice Emittance Measurement EDSYS Matching Config

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Matching of LTU WS32 New Region Select Measurement Screen Select Matching Location(s)

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Matching of LTU OTR33 for Slice Emittance Select Measurement Screen

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Matching of Undulator for GeV New Region Fixed quad strength in Undulator Nominal match for GeV For lower energy, calculate proper Twiss values for undulator and rematch with QUMn quads Use RFBU10 as Matching location. Twiss calculated, not measured

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Matching of Undulator for 7.1 and 4.3 GeV

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Undulator Beam Based Alignment Measurement of undulator orbit at 3+ energies Fit of BPM & quad offsets and orbit Changes BPM offsets Moves quads with undulator girders Launches beam into undulator Integrates simulation Simulation Orbit Offsets Measurement

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Undulator K Measurement Shape of integrated spontaneous spectrum from two undulators depends on difference in K values J. Welch

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Undulator K-Measurement GUI J. Welch Collect spontaneous spectrum by varying electron beam energy and measure intensity through X-ray monochromator Determine ΔK from steepest slope in spectrum

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory K Measurement Setup Screen J. Welch

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory FEL Gain Measurement Application D. Ratner Vary total undulator length by retracting number of undulator segments GENESIS 1.3 Interface Display Simulation & Measurement

Henrik Loos Applications for 11 November 2008 SLAC National Accelerator Laboratory Summary Extension of existing software mostly completed New applications for the undulator need to implement and test real hardware control