Generation of Femtosecond Pulses of Synchrotron Radiation. - Schoenlein, R. W.; Chattopadhyay, S.; Chong, H. H. W.; Glover, T. E.; Heimann, P. A.; Shank, C. V.; Zholents, A. A.; Zolotorev, H. S. (Science (pre-March 2025), 2000)