REFRACTIVE INDEX SENSITIVITY OF THE TILT LONG-PERIOD FIBER GRATINGS COATED WITH NANO-SCALE GOLDEN FILM

被引：0
|
作者：
Zhao, Yuchen [1 ]
Liu, Yunqi [1 ]
Guo, Qiang [1 ]
Zou, Fang [1 ]
Wang, Tingyun [1 ]
机构：
[1] Shanghai Univ, Sch Commun & Informat Engn, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China
来源：
2013 12TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN) | 2013年
关键词：
Tilt Long-Period Fiber Gratings; Refractive Index; Surface Plasmon Resonance;
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：
A novel class of tilt long-period fiber gratings (TLPFGs) coated with nano-scale gold film is introduced, which is at period of 368 mu m and easy to fabricate. Gold film at nano-scale has been deposited on TLPGs by adopting evaporation technique in Vacuum Film-Sputtering Machine. The experiment results demonstrate that the refractive index sensitivity measured by resonant wavelength shift is raised in the range of 1.441 to 1.475 with outer refractive index change, and the sensitivity measured by contrast is enhanced from -17.35dB/RIU to -57.55dB/RIU in the range of 1.392 to 1.441 with good correlation coefficient.
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页数：4
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