کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5009190 | 1462043 | 2017 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Rayleigh backscattering based macrobending single mode fiber for distributed refractive index sensing
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
A novel and compact distributed refractive index (RI) sensor based on Rayleigh backscattering and macrobending single mode fiber (SMF) is proposed and experimentally investigated. Our proposed sensor is simply fabricated by bending a piece of SMF to a radius of curvature in several millimeters. We detect the refractive index of the external medium surrounding the macrobending fiber, for the first time, by analyzing the Rayleigh backscattering signals recorded from optical frequency domain reflectometry. We measure the range of the RI from 1.3348 to 1.3557 using the proposed method. To verify the capability of the distributed sensing, we also use this sensor to detect multipoint RIs simultaneously. The RI measurement sensitivities are 2319.24Â GHz/RIU (18.55Â nm/RIU) and 2717.85Â GHz/RIU (21.74Â nm/RIU) with bending diameters of 12.2Â mm and 11.3Â mm, respectively. In addition, our macrobending fiber has its original buffer coating remaining intact, allowing the fiber to maintain optimal mechanical property and be suitable for more practical applications.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators B: Chemical - Volume 248, September 2017, Pages 346-350
Journal: Sensors and Actuators B: Chemical - Volume 248, September 2017, Pages 346-350
نویسندگان
Yang Du, Sasi Jothibasu, Yiyang Zhuang, Chen Zhu, Jie Huang,