| Paper |
Title |
Page |
| WEPPH014 |
Performance of the FERMI FEL Photoinjector Laser
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358 |
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- A. A. Demidovich, R. Ivanov, P. Sigalotti, M. B. Danailov
ELETTRA, Basovizza, Trieste
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The photoinjector laser system for the FERMI FEL has been installed at the ELETTRA laser laboratory. It is based on a completely CW diode pumping technology and features a two stage pulse shaping system, a time-plate type third harmonic generation scheme and aspheric shaper based beam shaping. The paper will present experimental results describing the overall performance of the amplifier system as well as of the main sub-system listed above. The data demonstrates that all the initially set parameters were met and some largely exceeded. Special attention is dedicated to the pulse shaping allowing both flat-top and increasing ramp UV temporal shapes. A scheme for extraction and shaping of the laser heater pulses using the same laser system is also presented.
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