Infrared- Thermometer-Based Detection of Optical Fiber Breakage in Structure. - Yosuke Mizuno; Sonoko Hagiwara; Heeyoung Lee; Yutaka Ochi; Takahiro Matsui; Yukihiro Matsumoto 003; Yosuke Tanaka; Hitoshi Nakamura; Kentaro Nakamura (OECC/PSC, 2019)