Refractive Index Sensing Characteristics of Tilted Long Period Fiber Gratings

被引：0
|
作者：
Wang, Kewang [1 ]
Liu, Yunqi [1 ]
Zheng, Guangjun [1 ]
Wang, Tingyun [1 ]
机构：
[1] Shanghai Univ, Sch Commun & Informat Engn, Key Lab Specialty Fiber Opt & Opt Access Networks, 149 Yanchang Rd, Shanghai 200072, Peoples R China
来源：
2016 15TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN) | 2016年
基金：
中国国家自然科学基金;
关键词：
Tilted Long Period Fiber Gratings; Tilted Angle; Surrounding Reflective Index; Fiber optic sensors; COUPLED-MODE THEORY;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Based on the finite difference beam propagation method (FD-BPM), we analysed the transmission spectra of tilted long period fiber gratings (TLPFGs) in detail. The new resonance dips corresponding to the LP1,m cladding modes appear at the right side of the resonance dips corresponding to the LP0,m cladding modes. While the tilted angle is equals to similar to 86 degrees, the coupling efficiency of new resonance dips is highest. The refractive index sensor sensitivity of new resonance dips is much higher than that of to the same order LP0,m cladding modes.
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页数：3
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