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Katin, E.

Paper Title Page
THPEC024 Development of a High Average Power Laser Generating Electron Beam in ILC Format for KEK-STF 4098
 
  • M. Kuriki, H. Iijima
    HU/AdSM, Higashi-Hiroshima
  • H. Hayano, Y. Honda, H. Sugiyama, J. Urakawa
    KEK, Ibaraki
  • G. Isoyama, S. Kashiwagi, R. Kato
    ISIR, Osaka
  • E. Katin, E. Khazanov, V. Lozhkarev, G. Luchinin, A. Poteomkin
    IAP/RAS, Nizhny Novgorod
  • G. Shirkov, G.V. Trubnikov
    JINR, Dubna, Moscow Region
 
 

Aim of Super-conducting Test Facility (STF) at KEK is demonstrating technologies for International Linear Collider. In STF, one full RF unit will be developed and beam acceleration test will be made. In super-conducting accelerator, precise RF control in phase and power is essential because the input RF power should be balanced to beam accelerating power. To demonstrate the system feasibility, the beam accelerating test is an important step in R&D phase of STF and ILC. To provide ILC format beam for STF, we develop an electron source based on photo-cathode L-band RF gun. To generate ILC format beam, we developed a laser system based on Yb fiber oscillator in 40.6 MHz. The pulse repetition is decreased by picking pulses in 2.7 MHz, which meets ILC bunch spacing, 364 ns. The pulse is then amplified by YLF laser up to 8 uJ per pulse in 1 mm. The light is converted to 266 nm by SHG and FHG. Finally, 1.5 uJ per pulse is obtained and 3.2 nC bunch charge will be made. We report the basic performance of the laser system from the accelerator technology point of a view.