Schedule 0 3:00 PM - 3:20 PM [HEDS-6-04] Coupling in Multi-Stage Laser Wake-field Acceleration of Electrons *Zhan Jin1, Hirotaka Nakamura2, Naveen Pathak2, Yasuo Sakai2, Alexei Zhidkov2, Keiichi Sueda1, Ryosuke Kodama2, Tomonao Hosokai2,1 (1. RIKEN SPring-8 Center, 2. Osaka University)