장주녕 김민성 Lee Sang Bae 2024-01-13T18:30:25Z 2024-01-13T18:30:25Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/109918 English fiber grating long period hydrogen The effects of hydrogen molecules in/out diffusion on LP0M mode coupling behavior of long- period fiber gratings Conference 2 PacRim3, v.3, pp.257 PacRim3 3 257 257 KO