윤홍 권서원 Sung Chul Kang KIM SUNG CHUL 이정찬 Lee Sang Bae CHOI SANG SAM 조규만 2024-01-13T19:03:12Z 2024-01-13T19:03:12Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/110356 English fiber grating laser Er3+ doped fiber distributed-feedback(DFB) laser 어븀 첨가 광섬유 DFB 레이저 Conference 2 Photonics Conference '98, v.7, pp.363 - 364 Photonics Conference '98 7 363 364 KO