Lee, JH Han, YG Chang, YM Lee, SB 2024-01-21T06:31:40Z 2024-01-21T06:31:40Z 2021-09-04 2004-09-02 0013-5194 https://pubs.kist.re.kr/handle/201004/137240 A novel and simple Raman amplifier based long-distance fibre Bragg grating (FBG) sensing system without any additional broadband light source is demonstrated. With the simplified system configuration recycling residual Raman pump power for generation of amplified spontaneous emission in an erbium-doped fibre (EDF), the high quality of remote strain sensing operation at a location of 50 km is achieved. English IEE-INST ELEC ENG TEMPERATURE Raman amplifier based long-distance, remote FBG strain sensor with EDF broadband source recycling residual Raman pump Article 10.1049/el:20045431 1 ELECTRONICS LETTERS, v.40, no.18, pp.1106 - 1107 ELECTRONICS LETTERS 40 18 1106 1107 scie scopus 000223913300010 2-s2.0-4544278136 Engineering, Electrical & Electronic Engineering Article TEMPERATURE