Poster Session

[Day2-C2-PA15] Development of a deep seismic observation system utilizing optical sensors for stable operation under high temperature and high pressure

*Hiroyuki Fujiwara¹, Minoru Yosida², Shigeki Horiuchi³, Yoshiharu Hirayama², Yoshio Nakajima⁴, Yasuhiro Asai⁴, Tsutomu Yamate² (1. National Research Institute for Earth Science and Disaster Resilience, 2. Hakusan Corporation, 3. Home Seismometer Co. Ltd., 4. Tokyo Power Technology Ltd.)