学科分类
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1 个结果
  • 简介:Real-timemeasurementofthefastaxisangleofaquarter-waveplatebasedonsimultaneousphaseshiftingtechniqueispresented.Thesimultaneousphaseshiftingfunctionisrealizedbyanorthogonalgrating,adiaphragm,ananalyzerarray,anda4-quadrantdetector.Theintensitiesofthelightbeamsfromthefouranalyzerswithdifferentazimuthsaremeasuredsimultaneously.Thefastaxisangleofthequarter-waveplateisobtainedthroughthefourlightintensityvalues.Inthismethod,rotatingelementsarenotrequired,soreal-timemeasurementisachieved.

  • 标签: 同步相移技术 实时测量 轴向角 光检测技术