Precision and sensitivity optimization for white-light interferometric fiber-optic sensors

被引：46
|
作者：
Tapia-Mercado, J [1 ]
Khomenko, AV
García-Weidner, A
机构：
[1] Ctr Invest Cient & Educ Super Ensenada, Dept Opt, Ensenada, Baja California, Mexico
[2] Univ Autonoma Baja California, Mexicali 21100, Baja California, Mexico
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2001年 / 19卷 / 01期
关键词：
optical fiber devices; optical interferometry; temperature measurement;
D O I：
10.1109/50.914487
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 detailed analysis for accuracy and sensitivity of fiber-optic sensor based on white-light interferometric technique with wavelength scanning is presented. Analytical equations for optimal optical path difference were obtained, which allow to reach the minimum measurement uncertainty. The results of the analysis can be applied for optimization of any sensor based on low coherence spectrum domain technique, though our experimental validation of analysis has been carried out with the temperature sensor based on the Sagnac interferometer having a twisted high-birefringent fiber as a sensing element.
引用
收藏
页码：70 / 74
页数：5
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