Schedule 0 3:50 PM - 5:00 PM [ALPS-P2-14] Development of intense terahertz source aiming at highly time resolved measurement of terahertz induced periodic surface structure formation *Chikai Hosokawa1, Masaki Hashida1, Takeshi Nagashima2, Shunsuke Inoue1, Shuji Sakabe1 (1. ICR Kyoto University, 2. Setsunan University)