Microstructured optical fiber for simultaneous measurement of refractive index and temperature

被引：2
|
作者：
Lu, Ping [1 ]
Men, Liqiu [2 ]
Sooley, Kevin [1 ]
Chen, Qiying [1 ]
机构：
[1] Mem Univ Newfoundland, Dept Phys & Phys Oceanog, St John, NF A1B 3X7, Canada
[2] Mem Univ Newfoundland, CREAIT Network, St John, NF A1C 5S7, Canada
来源：
PHOTONIC MICRODEVICES/MICROSTRUCTURES FOR SENSING II | 2010年 / 7682卷
基金：
加拿大自然科学与工程研究理事会; 加拿大创新基金会;
关键词：
fiber optics; Bragg grating; sensor; refractive index; temperature; LONG-PERIOD GRATINGS; ENHANCED SENSITIVITY; SENSOR; RESONANCES; STRAIN;
D O I：
10.1117/12.850582
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report an approach to achieve simultaneous measurement of refractive index and temperature by using a MachZehnder interferometer realized on a tapered single-mode optical fiber with the advantages of low-cost simple fabrication technique. Electrical arc method has been adopted to fabricate the abrupt tapers. The attenuation peak wavelength of the interference with specific order in the transmission spectrum shifts with the changes in the environmental refractive index and temperature. Experiments indicated the corresponding sensitivities of -23.188 nm/RIU (refractive index unit) (blue-shift) and 0.071 nm/degrees C (red-shift) for the interference orders of 169, respectively.
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收藏
页数：6
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