四频差动激光陀螺的磁效应是制约其精度提高的重要误差源之一.从四频陀螺工作原理出发,分析其物理机制,提出一种减小磁效应的新方法.基于光强差稳频思想,通过改变稳频判定标准,选择最佳稳频点;同时采取针对性措施,确保陀螺相关参量特别是总光强的稳定性.实验结果验证了此方法的有效性,对研究者有一定参考意义.
参考文献
| [1] | Gao Bolong,Li Shutang.Laser Gyro(激光陀螺)[M].Changsha:National University of Defense Technology Press,1984(in Chinese). |
| [2] | Jiang Ya'nan.Ring Laser Gyro(环形激光陀螺)[M].Beijing:Tsinghua University Press,1985(in Chinese). |
| [3] | Chen Linfeng,Han Zonghu,Chen Yong,et al.Study on characteristic of ring laser gyroscope sensitive to magnetic fields[J].Acta Photonica Sinica(光子学报),2006,35(7):974-976(in Chinese). |
| [4] | Yuan Jie,Long Xingwu.The magnetic effect of the differential laser gyro and the choose of heating element[J].Applied Laser(应用激光),1999,19(8):145-147(in Chinese). |
| [5] | Grasso M S,Ficalora J P.Ring laser gyroscope having reduced sensitivity to magnetic effects[P].US Patent,5104224,1990-3-19. |
| [6] | Sanders V E,Hutchings T J.Zeeman multioscillators ring laser gyro insensitive to magnetic fields and detuning frequencies[P].US Patent,4475199,1984-10-2. |
| [7] | Cai Huangfu,Zhang Hong,Zheng Yuankai.Soft magnetic devices applied for low zero excursion four mode ring laser gyro[J].IEEE Transactions on Magnetic,2007,43(6):2686-2688. |
| [8] | Rao Guyin.Research on Error Compensation of Inertial Navigation System with IMU Rotating Based on Four Mode Differential Laser Gyroscopes(四频差动激光陀螺旋转式惯导系统误差补偿研究)[D].Changsha:Doctorial Dissertation of National University of Defense Technology,2007(in Chinese). |
| [9] | Gao Bolong.The locking phenomenon of the second kind in differential laser gyro[J].Journal of National University of Defense Technology(国防科技大学学报),1982,4(1):37-57(in Chinese). |
| [10] | Li Junqiao,Qin Shiqiao,Wang Changping,et al.Simulation of frequency stabilization control for differential ring lasers[J].Optical Technique(光学技术),2008,34(1):92-94(in Chinese). |
| [11] | Yang Jianqiang,Liao Dan.Preliminary study of dithering frequency stabilization for four frequency differential laser gyro[J].Acta Optical Sinica(光学学报),2009,29(8):2256-2260(in Chinese). |
| [12] | Xu Guangming,Zhang Bin,Jiang Anguo,et al.Laser frequency stabilization for differential ring lasers[J].Journal of Optoelectronics·Laser(光电子·激光),2000,11(1):49-50(in Chinese). |
| [13] | Yang Jianqiang,Liao Dan.The digital frequency stabilizing system consisting of high precision differential amplifier AD620 for four frequency differential laser gyro[J].Electronics Optics and Control(电光与控制),2009,16(7):62-64(in Chinese). |
| [14] | Yang Jianqiang.Preliminary study of laser semi-classical elliptical vector theory[J].Chinese Journal of Quantum Electronics(量子电子学报),2009,26(5):537-542(in Chinese). |
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