A novel three-component hybrid-integrated optical accelerometer based on a Mach-Zehnder interferometer with a LiNbO_3 photoelastic waveguide
A novel three-component hybrid-integrated optical accelerometer based on a Mach-Zehnder interferometer with a LiNbO_3 photoelastic waveguide
摘要
LiNbO <SUB>3</SUB> 的性质的调查经由导致加速的效果的光测弹性的波导被介绍。一张新奇三部件的混血儿综合的光加速表基于有 LiNbO <SUB>3</SUB> 的 Mach-Zehnder 干涉仪,光测弹性的波导被设计了,它能够在高精确性的地震探索检测地震加速。Mach-Zehnder 干涉仪成功地被制作,灯光的测试过去常检查它的质量。加速表的频率反应特征被测量。有 3549 Hz 的反响的频率的加速表被表明显示出在 100 ∼3000 Hz 的范围回答特征的好线性频率。加速表也显示出好稳定性和一致性。试验性的结果显示在轴上的产量并且跨轴分别地是 147 和 21.3 mV。
An investigation of the properties ofa LiNbO3 photoelastic waveguide via the acceleration-induced effect is presented. A novel three-component hybrid-integrated optical accelerometer based on a Mach-Zehnder interferometer with a LiNbO3 photoelastic waveguide has been designed, which is capable of detecting seismic acceleration in high-accuracy seismic exploration. The Mach-Zehnder interferometer was successfully fabricated and a lighting test used to check its quality. The frequency response characteristic of the accelerometer was measured2 The accelerometer with a resonant frequency of 3549 Hz was demonstrated to show good linear frequency responding characteristics in the range of 100-3000 Hz. The accelerometer also shows good stability and consistency. Experimental results indicate that the outputs of the on- and cross-axis are 147 and 21.3 mV, respectively.
基金
supported by the National Natural Science Foundation of China (No. 40774067)
the Applied Basic Research Program of Sichuan Province, China (No. 07JY029-135)
关键词
铌酸锂波导
加速度计
集成光学
干涉仪
三分量
光弹
马赫
基础
Integrated optics, Accelerometer, Photoelastic waveguide, Mach-Zehnder interferometer (MZI)
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