Abstract
The future Compact Linear Collider (CLIC) is under development at CERN by a collaboration of many institutes worldwide [1]. The goal is to collide electron and positron bunches with a centre-of-mass energy of up to 7 TeV. To deliver high-charge picosecond electron bunches the RF photo-injector requires appropriate trains of picosecond laser pulses synchronized with the driving RF pulse in the photo-injector cavity. In then case of CLIC the laser setup must deliver about 2μJ/pulse at ~262 nm with 50 Hz burst and 500 MHz intraburst repetition rate, which corresponds to 1 kW of mean power within the pulse train and 7 W average UV power. In addition to the power requirement, the pulse-to-pulse and train-to-train fluctuations, in terms of energy and beam quality, must not exceed 0.1% i.e. no train envelope decay or distortion is acceptable.
© 2013 IEEE
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