光通信技术2018，Vol.42Issue(1)：24-27,4.DOI:10.13921/j.cnki.issn1002-5561.2018.01.007
基于游标效应的双MZI温度传感理论研究
Double Mach-Zehnder interferometer temperature sensor based on vernier effect
摘要
Abstract
Sensitivity is an important parameter of optical fiber sensor, this paper designs a double Mach-Zeh-nder interferometer(MZI) temperature sensor based on vernier effect, the sensor consists of two cascaded MZI with similar arm difference. It studies the method of using vernier effect to improve sensor sensitivity in de-tail. Theoretical simulative results show when the heating area becomes longer, the sensitivity of the sensor will get more improvement. Besides, when the arm difference of sensor interferometer is shorter than the arm difference of another interferometer, the envelope curve will move in the direction of short wavelength, other-wise, move in the direction of long wavelength. The vernier effect can greatly enhance the sensitivity of the sensor, when the length difference between the arms is 0.01mm, the sensitivity can be increased by 100 times.关键词
光纤光学/马赫-曾德尔干涉仪/游标效应/光纤传感/温度传感/级联Key words
fiber optic/MZI/vernier effect/fiber optic sensor/temperature sensor/cascading分类
数理科学引用本文复制引用
俞夏雨奇,赵春柳,王家辉,应云斌,李碟..基于游标效应的双MZI温度传感理论研究[J].光通信技术,2018,42(1):24-27,4.基金项目
浙江省新苗计划(2017R409034)资助 （2017R409034）
浙江省自然科学基金(LY17F050010)资助. （LY17F050010）
