*jumpei ogino1, Shigeki Tokita1, Li Zhaoyang1, Naohiro Yamaguchi1, Shinji Motokoshi2, Masaaki Sakamoto1, Noboru Morio1, Koji Tsubakimoto1, Hidetsugu Yoshida1, Kana Fujioka1, Junji Kawanaka1
(1. Institute of Laser Engineering, Osaka University, 2. Institute for Laser Technology)