Chinese Optics Letters, 2016, 14 (5): 050604, Published Online: Aug. 6, 2018
Refractive index and temperature sensing characteristics of an optical fiber sensor based on a tapered single mode fiber/polarization maintaining fiber Download: 1185次
060.0060 Fiber optics and optical communications 060.2310 Fiber optics 060.2370 Fiber optics sensors
Abstract
An evanescent field optical fiber sensor based on a short section of polarization maintaining fiber spliced with a tapered single mode fiber is proposed and experimentally investigated. We mainly focus on the refractive index (RI) and temperature sensing characteristics of this compact device. The transmission spectrum of the resonance wavelength, induced by the interference between the excited low order cladding modes and core modes, shows the quadratic function relationships with RI and linear relationships with temperature. Thus, the proposal of this simple-to-fabricate, compact, and low cost sensor shows its possible potential in the sensitive detection field.
Zaihang Yang, Hao Sun, Tingting Gang, Nan Liu, Jiacheng Li, Fei Meng, Xueguang Qiao, Manli Hu. Refractive index and temperature sensing characteristics of an optical fiber sensor based on a tapered single mode fiber/polarization maintaining fiber[J]. Chinese Optics Letters, 2016, 14(5): 050604.