An Ultrasensitive Long-Period Fiber Grating-Based Refractive Index Sensor with Long Wavelengths

An Ultrasensitive Long-Period Fiber Grating-Based Refractive Index Sensor with Long Wavelengths

The response of a novel long-period fiber grating (LPFG) with a period of 180 µm to a surrounding refractive index (RI) was investigated. The results displayed that, with the increase in RI of the surrounding media of cladding glass in the grating region, the resonant peak located at 1336.4 nm in th...

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Bibliographic Details
Main Authors: Qiu-Shun Li, Xu-Lin Zhang, Jian-Guo Shi, Dong Xiang, Lan Zheng, Yan Yang, Jun-Hui Yang, Dong Feng, Wen-Fei Dong
Format: Article
Language:English
Published: MDPI AG 2016-12-01
Series:Sensors
Subjects:
long-period fiber grating
refractive index
sensor
transmission spectrum
long wavelength
Online Access:http://www.mdpi.com/1424-8220/16/12/2205

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