Twist Sensor Based on Long Period Grating and Tilted Bragg Grating Written in Few-Mode Fibers

Twist Sensor Based on Long Period Grating and Tilted Bragg Grating Written in Few-Mode Fibers

A twist sensor based on a few-mode long period grating (LPG) and a tilted fiber Bragg grating (TFBG) is proposed and demonstrated. The LPG, inscribed in a step index few-mode fiber by a CO<sub>2</sub> laser, is utilized to excite the LP<sub>11</sub> core mode. The followed TF...

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Bibliographic Details
Main Authors: Kang Yang, Yange Liu, Zhi Wang, Yan Li, Ya Han, Hongwei Zhang
Format: Article
Language:English
Published: IEEE 2018-01-01
Series:IEEE Photonics Journal
Subjects:
Fiber optics
twist sensor
tilted fiber Bragg grating
long period grating
Online Access:https://ieeexplore.ieee.org/document/8333688/
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