Temperature Robust Refractive Index Sensor Based on a Photonic Crystal Fiber Interferometer

被引：30

作者：

Park, Kwan Seob ^{[1
]}

Choi, Hae Young ^{[1
]}

Park, Seong Jun ^{[1
]}

Paek, Un-Chul ^{[1
]}

Lee, Byeong Ha ^{[1
]}

机构：

[1] Gwangju Inst Sci & Technol, Dept Informat & Commun, Kwangju 500712, South Korea

来源：

IEEE SENSORS JOURNAL | 2010年 / 10卷 / 06期

关键词：

External refractive index (ERI); low-temperature cross sensitivity; photonic crystal fiber (PCF);

D O I：

10.1109/JSEN.2009.2037510

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：

We present a simple photonic crystal fiber (PCF)-based reflection type interferometer insensitive to temperature for refractive-index measurement. By simply collapsing the airholes at a middle point and forming a reflector at the end of a PCF, the interferometer could be implemented. The PCF sensor showed a low thermal sensitivity even without any compensation process. The feasibility as a refractive-index sensor is demonstrated by presenting the spectral response to liquids having various refractive indexes and to temperature. The implemented sensor showed a good sensitivity of 850 nm/RUI (refractive unit index).

引用

页码：1147 / 1148

页数：2

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