Author: Fukuda, M.K.
Paper Title Page
TUPMA01 Status and Future Plan of the Development of a Compact X-ray Source Based on ICS at Laser Undulator Compact X-ray (LUCX) 589
 
  • M.K. Fukuda, S. Araki, A.S. Aryshev, Y. Honda, N. Terunuma, J. Urakawa
    KEK, Ibaraki, Japan
  • K. Sakaue, M. Washio
    RISE, Tokyo, Japan
 
  Funding: Work supported by the Quantum Beam Technology Program of MEXT
We have developed a compact X-ray source via inverse Compton scattering (ICS) between multi-bunch electron beam and a laser pulse stacked in an optical cavity at Laser Undulator Compact X-ray (LUCX) accelerator in KEK. Since the autumn of 2011, we have begun X-ray imaging test. In the beginning, it had taken two hours to get an X-ray image because of low intensity of X-ray with 104 photons/pulse. To get a clear X-ray image in a shorter period of times, we have upgraded the accelerator, which consists of a 3.6 cell photo-cathode rf-gun, a 12cell standing wave accelerating structure and a 4-mirror planar optical cavity. The target intensity of an electron beam is 500nC/train with 1000 bunches at 30 MeV. The one of laser pulse is also 6mJ/pulse. The expected number of X-ray is 1.7x107 photons/train with 10% bandwidth. We have already started the multi-bunch beam generation and X-ray imaging test after upgrade. The accelerator produces 24 MeV beam with the total charge of 180nC in 150 bunches per pulse. The aging process is also continued to increase energy and intensity. We will report the results of the beam test and future plan of the development of a compact X-ray source at LUCX.