基于Optisystem的全光纖電流傳感器建模與仿真研究
杜菲，馬天兵，李東
(安徽理工大學 機械工程學院，安徽 淮南 232001)
摘 要：介紹了全光纖電流傳感器所應用的法拉第效應、圓雙折射和馬呂斯定理，通過瓊斯矩陣建
立了系統(tǒng)模型，利用Optisystem 光學軟件對全光纖電流傳感器進行了仿真，對右旋圓偏振光進行正弦相位調(diào)制。仿真結果表明，所得輸出光強波形與調(diào)制信號相符合，驗證了所建立的數(shù)學模型和系統(tǒng)仿真合理性，為后續(xù)傳感器結構的實際制作提供參考。
關鍵詞：全光纖；電流傳感器；法拉第效應；圓雙折射；光強
中圖分類號：TM452+.94 文獻標識碼：A 文章編號：1007-3175(2016)01-0008-04
Modeling and Simulation Research on Full Optical Fiber Current Sensor Based on Optisystem
DU Fei, MA Tian-bing, LI Dong
（School of Mechanical Engineering, Anhui University of Science and Technology, Huainan 232001, China）
Abstract: Introduction was made to the principle of Faraday effect, circular birefringence and Marius theorem based on full optical fiber current sensor. The mathematical model of the system was built by using Jones matrix. The full optical fiber current sensor was simulated through Optisystem optical software, modulating for right-handed circularly polarized light with sinusoidal phase. The results show that the output of light intensity figure can correspond with the modulation signal waveform. It is verified that the mathematical model and system simulation are reasonable, which can effectively provide the reference for future real sensor design and manufacture.
Key words: full optical fiber; current sensor; Faraday effect; circular birefringence; light intensity
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