25th International Conference on Optical Fiber Sensors : 24-28 April 2017, Jeju, Korea, Republic of / Youngjoo Chung, Wei Jin, Byoungho Lee, John Canning, Kentaro Nakamura, Libo Yuan (editors) ; organized by: Optical Society of Korea (Korea, Republic of) ; supported by: the Korean Federation of Science and Technology Societies (Korea, Republic of), Korea Tourism Organization (Korea, Republic of), Jeju Convention & Visitors Bureau (Korea, Republic of), Jeju Special Self-Governing Province (Korea, Republic of), IEEE Gwangju Section (Korea, Republic of); endorsed by: technical co-sponsors: the Japan Society of Applied Physics (Japan) ; technical co-sponsors: SPIE, the Optical Society, IEEE - the Photonics Society, the Australian Optical Society (Australia), Chinese Optical Society (China), Chinese Society for Optical Engineering (China), the Optical Society of Japan (Japan), the Institute of Electronics, Information and Communication Engineers (Japan), the Society of Instrument and Control Engineers (Japan)