*Ming-chang Chen¹ (1. Institute of Photonics, National Tsing Hua University)

*Kyung Taec Kim^1,2, Yang Hwan Kim^1,2, Hyeok Yun¹, Igor A. Ivanov¹, Sung In Hwang¹ (1. Center for Relativistic Laser Science, Institute for Basic Science, 2. Department of Physics and Photon Science, Gwangju Institute of Science and Technology)

*Akihiro Oshima^1,2, Hiroki Mashiko¹, Ming Chang Chen³, Koji Asaga^1,4, Tadashi Nishikawa⁴, Ikufumi Katayama², Jun Takeda², Katsuya Oguri¹ (1. NTT Basic Research Laboratories, 2. Yokohama National University, 3. National Tsing Hua University, 4. Tokyo Denki University)

*Hitoshi Hirakawa¹, Kenji Awamoto¹, Takefumi Hidaka¹, Junichiro Takahashi¹, Tetsuya Makino¹, Masayuki Wakitani¹, Tsutae Shinoda² (1. Shikoh Tech Co, Ltd., 2. Shinoda Plasma Co, Ltd.)