Author: Murooka, Y.
Paper Title Page
TUPC057 Femtosecond Photoinjector and Relativistic Electron Microscopy 1126
 
  • J. Yang, K. Kan, Y. Murooka, N. Naruse, K. Tanimura, Y. Yoshida
    ISIR, Osaka, Japan
  • J. Urakawa
    KEK, Ibaraki, Japan
 
  A new rf gun driv­en by a fem­tosec­ond laser has been de­vel­oped suc­cess­ful­ly for the rel­a­tivis­tic elec­tron diffrac­tion in Osaka Uni­ver­si­ty for the study of ul­tra­fast dy­nam­ics of in­tri­cate molec­u­lar and atom­ic pro­cess­es in ma­te­ri­als. The beam dy­nam­ics of fem­tosec­ond elec­tron bunch in the rf gun were in­ves­ti­gat­ed to achieve a low-emit­tance and low-en­er­gy-spread; i.e. 0.1 mm-mrad and 10-4. A time-re­solved rel­a­tivis­tic elec­tron mi­croscopy is being de­vel­oped to re­veal the hid­den dy­nam­ics on the fem­tosec­ond and nanome­ter scales. The same demon­stra­tions of the MeV elec­tron diffrac­tion/imag­ing mea­sure­ments were re­port­ed.