Characterization of external refractive index sensitivity of a photonic crystal fiber long-period grating

被引：0
|
作者：
Fei Tian [1 ]
Jiri Kanka [2 ]
Henry Du [1 ]
机构：
[1] Department of Chemical Engineering and Materials Science, Stevens Institute of Technology
[2] Institute of Photonics and Electronics AS CR
来源：
Chinese Optics Letters | 2015年 / 13卷 / 07期
基金：
美国国家科学基金会;
关键词：
PCF; LPG; Characterization of external refractive index sensitivity of a photonic crystal fiber long-period grating;
D O I：
暂无
中图分类号：
TN253 [光纤元件];
学科分类号：
摘要：
Long-period gratings(LPGs) are fabricated in a photonic crystal fiber(PCF) using the symmetric pointby-point CO2 laser irradiation method to explore the sensitivity characterization of PCF–LPG. Numerical simulation is used to guide the investigation. It is found that the refractive index(RI) sensitivity of PCF–LPG depends on the coupled cladding modes as well as the coupled resonance wavelength(RW) of the LPG.Experimental studies show that the longer the RW, the higher the RI sensitivity for the same cladding mode.At similar RWs, the lower the cladding mode, the higher the RI sensitivity of PCF–LPG.
引用
收藏
页码：51 / 53
页数：3
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