研究光纤布拉格光栅在传感应用中的性能

Proceedings of the 2014 Zone 1 Conference of the American Society for Engineering Education Pub Date : 2014-04-03 DOI:10.1109/ASEEZONE1.2014.6820640

I. Ashry, A. Elrashidi, A. Mahros, M. Alhaddad, K. Elleithy

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引用次数: 28

摘要

光纤布拉格光栅(fbg)技术在近年来的光纤技术中已经证明了它的适用性。传感应用是fbg的主要应用之一。在这项工作中，我们提出了一个全面的研究，在传感应用中使用离体fbg。测试了不同的评估参数，如反射率、旁瓣和全宽半最大值(FWHM)，以确定最适合传感器的apodization剖面。根据我们的研究，Blackman apoization给出了可用于传感应用的最佳轮廓。Blackman化反射率基本一致，旁瓣电平最小，为-60.3 dB，频宽窄。Blackman极化后的光纤光栅长度为0.33 cm， Δn = 14.4 × 10□4，最大反射率为99.44%。

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Investigating the performance of apodized Fiber Bragg gratings for sensing applications

Fiber Bragg gratings (FBGs) technology has demonstrated its suitability for many applications in recent fiber technologies. Sensing application is one of the main applications of FBGs. In this work, we present a comprehensive investigation for using apodized FBGs in sensing applications. Different evaluation parameters such as, reflectivity, sidelobes, and full-width-half-maximum (FWHM) are tested in order to determine the most proper apodization profile for sensors. According to our study, the Blackman apodization gives the best profile that can be used in sensing applications. The reflectivity of Blackman apodization is nearly unity with minimum sidelobes level, -60.3 dB, and narrow FWHM. The length of Blackman apodized FBG is 0.33 cm and Δn = 14.4 × 10□4 and maximum reflectivity is 99.44%.

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Proceedings of the 2014 Zone 1 Conference of the American Society for Engineering Education

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