【摘要】 实现了使用光子带隙光纤的一体化谐振式光纤陀螺方案,设计并制作了谐振腔中基于微光学结构的耦合器。实验测得制作的谐振腔清晰度为3.7。搭建了基于该谐振腔的陀螺系统,并对其主、次偏振态的谐振曲线进行了实际测量。实验结果测得该系统60s零漂为2.45(°)/s,及1h长期稳定性为7.11(°)/s。同时,实现了对应陀螺输出±50(°)/s(积分时间10s)及±100(°)/s(积分时间10s)的模拟转速实验,验证了该陀螺系统的Sagnac效应。分析得到耦合损耗是影响该陀螺系统性能的主要因素。验证了该谐振腔结构具有应用于陀螺系统的可行性,为谐振式光纤陀螺性能进一步提高提供了参考。更多还原

【Abstract】 The integrated resonator fiber optic gyroscope(RFOG)using a hollow core photonic bandgap fiber(HCPBF)is realized.The coupling structure of the resonator is designed and fabricated based on the micro-optical structure.The definition of the resonator is experimentally measured to be 3.7.The gyroscope system based on this kind of resonator is constructed and its responses corresponding to the stationary and rotational states are tested experimentally.The results show that the maximum observed peak to peak drift over a 60 s measurement and the long-term drift over 1hmeasurement are 2.45(°)/s and 7.11(°)/s,respectively.In addition,the gyroscope outputs of±50(°)/s(integral time:10s)and±100(°)/s(integral time:10s)are obtained by using the proposed simulating turntable experiment and the Sagnac effect of our gyroscope system is demonstrated.The coupling loss is the main factor to influence the performance of the gyroscope by analysis.For the resonator structure we proposed,it is possible and feasible to apply in the gyroscope system.更多还原