| Paper | Title | Other Keywords | Page |
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| TUPTPF010 | Commissioning of Electron Beam Diagnostics for a SRF Photoelectron Injector | electron, laser, SRF, diagnostics | 105 |
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A superconducting RF (SRF) photoelectron injector is currently under commissioning by a collaboration of BESSY, DESY, FZD and MBI. The project aims at the design and setup of a continuous-wave (CW) SRF electron injector including a diagnostics beamline for the ELBE FEL and to address R&D issues of high brightness CW injectors for future light sources such as the BESSY FEL. The layout and realization of the diagnostics beamline for the electron beam is presented including systems to monitor the momentum, charge, transverse emittance and bunchlength in various operation modes of the injector. |
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| TUPTPF025 | Bunch Length Measurement at the Fermilab A0 Photoinjector using a Martin Puplett Interferometer | electron, polarization, radiation, diagnostics | 153 |
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We present preliminary measurements of the electron bunch lengths at the Fermilab A0 Photoinjector using a Martin-Puplett interferometer on loan from DESY. The photoinjector provides a relatively wide range of bunch lengths through laser pulse width adjustment and compression of the beam using a magnetic chicane. We present comparisons of data with simulations that account for diffraction distortions in the signal and discuss future plans for improving the measurement. |
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| TUPTPF026 | The Electro-Optic Sampling Stations for FERMI@Elettra, A Design Study | laser, electron, vacuum, radiation | 158 |
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FERMI@Elettra is a seeded FEL source, currently under construction at the Elettra Synchrotron Light Laboratory. On-line single shot and non destructive longitudinal bunch profile and bunch arrival time measurements are of great importance for this type of FEL source. These measurements will be performed by means of two Electro Optic Station (EOS) to be installed just upstream each of the two undulator chains. The paper describes the EOS stations design based on the spatial conversion scheme tested at SPPS and FLASH, and proposed for LCLS. The EOS will make use of two laser sources: a fiber laser at 780nm and the seed laser oscillator. A set of ZnTe and GaP crystal of different thicknesses will allow for flexibility in choosing high signal or high resolution configurations. The maximum resolution is expected to be of about100 fsec. The time profile mapped in a spatial laser profile will be acquired by a gated Intensified CCD. Calculations are presented for the expected EO signal and THz pulse broadening and distortion during propagation in the crystals. |
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| TUPTPF058 | Electron Beam Timing Jitter and Energy Modulation Measurements at the JLab FEL | electron, wiggler, instrumentation, cavity | 247 |
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In this contribution we present results of the timing jitter and energy modulation of the electron beam in the driver energy recovery linac (ERL) for the JLab FEL. Measurements techniques are described. The effects of the timing jitter and the energy modulation on the performance of the FEL are discussed. |