激光陀螺技术的创新应用——从基础原理到地球自转测量的实践探索  

Innovative applications of laser gyroscope technology——From basic principles to practical exploration of measuring the Earth’ rotation

作　　者：罗剑 欧阳建明[1] 何焰兰[1] 彭刚[1] LUO Jian;OUYANG Jianming;HE Yanlan;PENG Gang(College of Science,National University of Defense Technology,Changsha 410073,China)

机构地区：[1]国防科技大学理学院,湖南长沙410073

出　　处：《物理实验》2025年第2期14-19,26,共7页Physics Experimentation

基　　金：教育部高等学校大学物理课程教学指导委员会高等学校教学研究项目(No.DJZW202328zn)。

摘　　要：为提升大学物理实验课程的创新性、高阶性和前沿性,对激光陀螺在大学物理实验中的教学应用进行了初步探索.介绍了激光陀螺仪的核心工作原理,涵盖了Sagnac效应、信号的读取与分析以及抖动偏频技术.利用激光陀螺物理实验仪,直观地展示了激光陀螺仪的工作状态和输出信号,测量了其标度因数,并准确测定了地球的自转角速度,初步形成了以Sagnac效应观察与测量和地球自转角速度测量为核心内容的激光陀螺物理实验.To enhance the innovativeness,advanced level,and cutting-edge nature of university physics experiment courses,we conducted an initial exploration of the teaching application of the laser gyroscope in university physics experiments.The core working principles of the laser gyroscope were introduced,covering the Sagnac effect,signal reading and analysis,and dither bias technology.Using the physical experiment apparatus formed mainly by a laser gyroscope,we vividly demonstrated the working state and output signals of the device,measured the scale factor,and accurately determined Earth’s rotational angular velocity.This led to the development of the laser gyroscope experiment21:292025-03-23 focusing on the core content of Sagnac effect’s observation and Earth’s rotational angular velocity measurement.

关 键 词：激光陀螺 Sagnac效应 地球自转角速度 

分 类 号：TN249[电子电信—物理电子学]