Three-dimensional model of thermal-induced optical phase shifts in rotation sensing

在线阅读 下载PDF 导出详情
摘要 Bystudyingthethermal-inducedphaseshiftmechanismofaninterferometricfiber-opticgyroscope(IFOG)sensingcoil,anovelgeneralizedexpressionbasedonathree-dimensional(3D)modelisproposed.ComparedwiththetraditionalpureShupeeffectmodel,thesimulationresultsshowthatthenew3Dmodel,includingelasticstrainandtheelasto-opticaleffect,candescribethethermaleffectofthecoilsmoreaccurately.Experimentswithtemperaturechangeratesbetween-40°Cand70°Careperformedtoverifytheeffectivenessoftheproposedgeneralizedexpression.Theresultsofourworkcanguideresearchersinidentifyingcountermeasurestoreducethethermal-inducedbiaserrorinIFOG.
机构地区 不详
出版日期 2015年09月19日(中国期刊网平台首次上网日期,不代表论文的发表时间)
  • 相关文献