Ultrafast Phenomena XIX Proceedings of the 19th International Conference, Okinawa Convention Center, Okinawa, Japan, July 7-11, 2014 - Yamanouchi, Kaoru; Cundiff, Steven; Vivie-Riedle, Regina de; Kuwata-Gonokami, Makoto; DiMauro, Louis (Springer International Publishing : Imprint: Springer, 2015)