Sapphire-Derived Fiber Bragg Gratings for High Temperature Sensing

Sapphire-Derived Fiber Bragg Gratings for High Temperature Sensing

In this paper, a sapphire-derived fiber (SDF) with a core diameter of 10 μm and a cladding diameter of 125 μm is fabricated by the melt-in-tube method, and fiber Bragg gratings (FBGs) with reflectivity over 80% are prepared by the femtosecond laser point-by-point direct writing method. By analyzing...

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Bibliographic Details
Main Authors: Qi Guo, Zhixu Jia, Xuepeng Pan, Shanren Liu, Zhennan Tian, Zhongming Zheng, Chao Chen, Guanshi Qin, Yongsen Yu
Format: Article
Language:English
Published: MDPI AG 2021-08-01
Series:Crystals
Subjects:
sapphire-derived fiber (SDF)
melt-in-tube method
fiber Bragg gratings (FBGs)
femtosecond laser
Online Access:https://www.mdpi.com/2073-4352/11/8/946

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