Design of Optical Fiber Fabry-Perot Sensors Based on Intensity and Phasewith Parallel Processing

Hui Peng
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Abstract

For fiber Fabry-Perot sensor vulnerable to external parameters such as electromagnetic, noise and displacement impact, reducing the problem resilience, research and design new fiber Fabry-Perot sensor with parallel processing capabilities based on the intensity and phase of perception. First, according to various types of external parameters and the degree of interference, established the intensity and phase-oriented demodulation algorithm then gives a fiber Fabry-Perot microcavity sensor performance analysis model is then proposed for the fiber Fabry-Perot sensor has a solution parallel processing algorithms tune transformation, and finally developed a fiber Fabry-Perot sensor has strong adaptability and measurement effects. Experimental results show that the single phase demodulation and intensity demodulation fiber Fabry-Perot sensor design compared to the proposed sensor design has obvious advantages in accuracy and performance of the strain.
基于强度和相位并行处理的光纤法布里-珀罗传感器设计
针对光纤法布里-珀罗传感器易受电磁、噪声和位移等外部参数影响,降低弹性的问题,研究设计了基于感知强度和相位的具有并行处理能力的新型光纤法布里-珀罗传感器。首先,根据各种类型的外部参数和干扰程度,建立了面向强度和相位的解调算法,然后给出了光纤法布里-珀罗微腔传感器的性能分析模型,然后提出了针对光纤法布里-珀罗传感器具有并行处理算法的解调变换,最后研制出一种具有较强适应性和测量效果的光纤法布里-珀罗传感器。实验结果表明,单相解调和强度解调光纤法布里-珀罗传感器设计与所提出的传感器设计相比,在应变的精度和性能上具有明显的优势。
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