Study of Fiber Bragg Grating Fabrication Online on Draw Tower via Phase Mask Method and Equipment Manufacturing

Hua, 余华 Yu; Wei, 何伟 He; Huiyong, 郭会勇 Guo; Xiaofu, 李小甫 Li; Bo, 冯博 Feng; Xuan, 喻玄 Yu

doi:10.3788/cjl201340.0505001

Cited by 1 publication

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“…In order to overcome the above proposed problems which exist in sensor multiplexing and network monitoring in actual engineering, an on-line continuous preparation technique for identical and weak FBG had been reported in references [6] [7] , which indicated that thousands of weak FBGs could be directly inscribed into fiber during drawing and simultaneously interrogated by proposed methods [8] [9] . In order to verify the performance of weak FBG under minute load, some pilot experiments about the force sensitive property and wavelength drift deviations compared with theoretical values have been conducted and will be elaborated as follow.…”

Section: Introductionmentioning

confidence: 99%

Minute Strain Test for Heap Load Scale-down Beam Based on Weak FBG

Yao¹,

Li²

2017

Proceedings of the Advances in Materials, Machinery, Electrical Engineering (AMMEE 2017)

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In order to increase the multiplexing capacity of traditional fiber Bragg grating (FBG) sensor and to provide more abundant information support for the structural safety evaluation, structural strain experiment was carried out based on on-line continuous preparation technique for identical and weak FBG. According to uniform strength cantilever beam experiment, good force sensitive linearity and repeatability of naked weak FBG was verified, which indicated the feasibility for structural strain test. The experimental results of scaled-down model showed that the layout configuration for weak FBG was reliable and responses of weak FBG packaged by optical fiber ribbon and theoretical values were consistent in the whole process of minute heap load by masses.

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Section: Introductionmentioning

confidence: 99%