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在光纤陀螺中,保偏光纤性能的优劣直接影响陀螺的输出精度和温度特性。理论分析了光纤参数,特别是光纤涂层与陀螺稳定性的关系,通过改善特定的光纤涂层指标,光纤在时变温度场下的可靠性得到提高,并最终保证了陀螺具有更强的抗环境干扰能力。将理论预测与实际工程应用相结合,采用改进后的保偏光纤绕制的陀螺,表现出了更好的温度性能,基于对保偏光纤特性的理论和初步实验研究,强调了一直以来被忽视的保偏光纤参数在光纤陀螺应用中的重要性。
In fiber optic gyroscopes, the performance of polarization maintaining fibers directly affects the gyroscope’s output accuracy and temperature characteristics. The relationship between fiber parameters, especially fiber coating and gyro stability is theoretically analyzed. The reliability of the fiber under time-varying temperature field is improved by improving the specific fiber coating index, and finally the gyro is more resistant Environmental interference. Combining theoretical prediction with practical engineering application, the improved gyro with polarization-maintaining fiber shows better temperature performance. Based on the theoretical and preliminary experimental studies on the characteristics of polarization-maintaining fiber, it has been neglected The importance of polarization-maintaining fiber parameters in fiber optic gyro applications.