[P-25] Development of X-ray adaptive focusing optics with four mirrors deformable between concave and convex shapes 〇Yuka Nishioka1, Hiroyuki Yamaguchi1, Satoshi Matsuyama1, Junki Sonoyama2, Kazuteru Akiyama2, Hiroki Nakamori3, Yasuhisa Sano1, Yoshiki Kohmura4, Makina Yabashi4, Tetsuya Ishikawa4, Kazuto Yamauchi1 (1.Osaka university, 2.TOYAMA, 3.JTEC Corporation, 4.RIKEN/SPring-8) Keywords:Engineering、X-ray focusing system、Deformable mirror