改进型迈克尔逊干涉仪测量溶液折射率  

Quantitative Measuring Refractive Index of Solution Based on the Modified Michelson Interferometer

作　　者：张晓冬 石开 欧阳凯南 李恒权 汪国庆 吴鑫鹏 ZHANG Xiaodong;SHI Kai;OUYANG Kainan;LI Hengquan;WANG Guoqing;WU Xinpeng(College of Physics and Electronic Engineering,Zhengzhou University of Light Industry,Zhengzhou 450002,China)

机构地区：[1]郑州轻工业大学物理与电子工程学院,河南郑州450002

出　　处：《大学物理实验》2023年第6期59-62,87,共5页Physical Experiment of College

基　　金：河南省高等教育教学改革研究与实践项目(2021SJGLX191);河南省重点研发与推广专项(科技攻关)项目(232102211081);河南省高等学校重点科研项目计划(22B140007);河南省大学生创新创业训练计划项目(202210462040);郑州轻工业大学博士基金项目(2020BSJJ060);2022年河南省专创融合特色示范课程。

摘　　要：将传统的迈克尔逊干涉仪进行改装并用于蔗糖溶液折射率的测量,装置采用OpenMV摄像头进行干涉条纹的识别,减速电机加步进电机进行位移测量,Arduino单片机进行控制和运算。改装后的迈克尔逊干涉仪有效缓解了操作过程中的视觉疲劳,减少了读数误差和测量误差。实验结果表明,所测折射率数据准确,与理论计算结果吻合。该装置可以广泛应用于大学物理实验,也为进一步工业化应用提供了可行性。The modified Michelson interferometer is used to measure the refractive index of sucrose solution.The device uses the OpenMV camera to identify the interference fringes,the gear motor and the stepper motor to measure the displacement,and the Arduino microcontroller to control and calculate.The modified Michelson interferometer effectively alleviates the visual fatigue in the operation process and reduces the error.The refractive index measured by experiments accurate and consistent with the theoretical results.Therefore,the device can be widely used in college physics experiments,and also provides potential for further industrial applications.

关 键 词：迈克尔逊干涉仪 折射率 OpenMV 步进电机 

分 类 号：O4-33[理学—物理]