Jeong, Ji Ho Lee, Kwanil Song, Kwang Yong Jeong, Je-Myung Lee, Sang Bae 2024-01-20T15:00:28Z 2024-01-20T15:00:28Z 2021-09-04 2012-05-07 1094-4087 https://pubs.kist.re.kr/handle/201004/129266 We propose and experimentally demonstrate a bidirectional measurement for Brillouin optical correlation domain analysis as a novel and simple way of the performance enhancement. Brillouin gain and loss spectra of two adjacent correlation peaks are simultaneously and independently analyzed by applying midpoint attenuation in a fiber under test, which doubles both the speed and the range of the distributed measurement. (c) 2012 Optical Society of America English OPTICAL SOC AMER DISTRIBUTED STRAIN-MEASUREMENT ORDER SPATIAL-RESOLUTION FIBER SENSOR SUPPRESSION SCATTERING Bidirectional measurement for Brillouin optical correlation domain analysis Article 10.1364/OE.20.011091 1 OPTICS EXPRESS, v.20, no.10, pp.11091 - 11096 OPTICS EXPRESS 20 10 11091 11096 scie scopus 000303879700071 2-s2.0-84861147742 Optics Optics Article DISTRIBUTED STRAIN-MEASUREMENT ORDER SPATIAL-RESOLUTION FIBER SENSOR SUPPRESSION SCATTERING Fiber optics Fiber optics sensors Scattering measurements Stimulated Brillouin Modulation