基于微光学结构的空芯光子带隙光纤环形谐振腔研究

Research on Hollow Core Photonic Bandgap Fiber Ring Resonator Based on Micro-Optics Structure

光纤环形谐振腔是构成谐振式光纤陀螺的核心部件。提出了一种基于微光学结构的空芯光子带隙光纤环形谐振腔。建立了这种谐振腔的归一化传递函数模型,并且仿真分析了微光学结构参数与谐振腔特性和陀螺的极限灵敏度的关系。研制出基于微光学结构的空芯光子带隙光纤谐振腔的实验样品,完成了样品性能测试,在此基础上提出了下一步优化方案。研究结果为未来进一步研究基于微光学结构的谐振式空芯光子带隙光纤陀螺提供了理论和实验依据。

Fiber optic ring resonator （FRR） is the core unit of resonator fiber optic gyro （RFOG）. A novel type of ring resonator of hollow core photonic bandgap fiber （HC-PBF） based on micro-optics structure is demonstrated. The normalized transfer function of such kind of FRR is built. Then simulations are clone to formulate the relations of the resonator performance and the shot-noise-limited sensitivity of RFOG caused by optical parameters of FRR. The laboratory sample of HC-PBF ring resonator based on micro-optics structure is made and its performance is tested. An optimum design is put forward based on the test data. The research results provide the basis for further research of HC-PBF RFOG based on micro-optics structure.