1. Institute of Laser Engineering, Osaka University 1 , 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
2. Kansai Institute for Photon Science, National Institute for Quantum Science and Technology 2 , 8-1-7 Umemidai, Kizugawa-shi, Kyoto 619-0215, Japan
3. Department of Physics, Graduate School of Science, Osaka University 3 , 1-1 Machikane-yama-cho, Toyonaka 560-0043, Japan
4. Faculty of Engineering, Osaka Metropolitan University 4 , Sugimoto 3-3-138, Sumiyoshi, Osaka 558-8585, Japan
5. Graduate School of Advanced Science and Engineering, Hiroshima University 5 , 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
6. Center for Materials Under eXtreme Environment, (CMUXE), School of Nuclear Engineering, Purdue University 6 , 500 Central Drive, West Lafayette, Indiana 47907, USA
7. Mechatronics Research, Samsung Electronics Co. Ltd. 7 , Hwaseong 18448, South Korea
8. Samsung Device Solutions R&D Japan, Samsung Japan Corporation 8 , 2-7 Sugasawacho, Yokohama, Kanagawa 230-0027, Japan
9. National Institute for Fusion Science 9 , 322-6 Oroshi, Toki, Gifu 509-5292, Japan