@misc{oai:repo.qst.go.jp:00072668, author = {神門, 正城 and 神門 正城}, month = {Jan}, note = {Our J-KAREN laser successfully produces 200 TW, 30 fs, laser pulses, which can be focused to the intensity of 10^22 W/cm^2. With this laser we have acceleted proton beams up to 54 MeV and electrons up to 700 MeV. In the poster we show the detail of characterization method and experimental details., A Scientific Journey from Wakefields to Astrophysics: A symposium in Honor of Toshiba Tajima}, title = {Laser Accelerator Development at KPSI-QST}, year = {2018} }