偏振保持光子晶体光纤及其在光纤陀螺中的应用研究的中期报告摘要：本报告介绍了偏振保持光子晶体光纤的制备、性质及其在光纤陀螺中的应用研究进展。首先介绍了光子晶体光纤的基本结构和制备方法，重点介绍了偏振保持光子晶体光纤的制备、性质及其对光的偏振保持能力。然后介绍了光纤陀螺的工作原理和结构，分析了偏振保持光子晶体光纤在光纤陀螺中的应用优势和挑战。最后，展望了偏振保持光子晶体光纤在光纤陀螺中的未来发展方向和应用前景。关键词：偏振保持光子晶体光纤；光纤陀螺；光的偏振；制备方法；性质。Abstract:Thisreportintroducesthepreparation,propertiesandapplicationresearchprogressofpolarization-maintainingphotoniccrystalfiberinfibergyroscopes.Firstly,thebasicstructureandpreparationmethodofphotoniccrystalfiberareintroduced,andthepreparation,propertiesandpolarization-maintainingabilityofpolarization-maintainingphotoniccrystalfiberareemphasized.Then,theworkingprincipleandstructureoffiberopticgyroscopeareintroduced,andtheadvantagesandchallengesofpolarization-maintainingphotoniccrystalfiberinfiberopticgyroscopeareanalyzed.Finally,thefuturedevelopmentdirectionandapplicationprospectofpolarization-maintainingphotoniccrystalfiberinfiberopticgyroscopeareprospected.Keywords:Polarization-maintainingphotoniccrystalfiber;Fiberopticgyroscope;Polarizationoflight;Preparation;Properties.