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ID:36580248
大小:3.09 MB
页数:50页
时间:2019-05-12
《空间光光纤高效耦合系统的设计与实现》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、电子科技大学硕士学位论文空间光-光纤高效耦合系统的设计与实现姓名:李拓辉申请学位级别:硕士专业:光学指导教师:杨华军20100501ABSTRACTWimthedevelopmentofOpticalFiberCommunicationstechnology,spaceopticalcommunicationat1550锄takesup.aweightilydegreeforfuturehighspeedsatellitecommunication.Couplingspacelightintofiberisakeytec
2、hnologyinreceivingtechnologyofSpaceOpticalCommunication.Inthisdissertation,base011thespaceopticalcommunicationplatform,acouplingsystemofspacelightintofibre、砘也thecentralwavelengthlocatedin1550nmhasbeendesigned.nlesystemhasbeenrealizedbytestingandanalyzing.nlemainc
3、ontentsareasfollows:1.AcouplingsystemofspacelightintofibreWasdesigned.BasedOilthespaceopticalcommunicationplatform,thespatiallighttransmissioncharacteristicshasbeenAnalyzedbydrawingonsystemtransfermatrixandABCDlaw,besidesacouplingsystemofspacelightintofibre、^,iⅡl
4、thecentralwavelengthlocatedin1550nmhasbeenstudiedanddesigned.2.Thekeytechniqueoflaserbeanshapingwasstudied.In抡transmitterandreceiveropticalsignalcharacteristicshasbeenAnalyzed,andthecorrespondingspatiallightshapingsystemhasbeendesigned.Forthetransmitter,thedesign
5、modelwasagroupoforthogonalcylindricallenses;forthereceivingend,thedesignmodelWasanon—sphericallens.111edesignsystemshavebeensimulatedandoptimizedwi也ZEMAXsoftware.3.硼1ekeytechniqueofopticalfibercouplingWasresearched.Forthespaceopticalcommunicationsystemat1550nm,op
6、ticalfibercouplingsystemhasbeendesigned.111esystem,whichusedofthenon—sphericalopticallenstoachievethehi曲couplingefficiency,hasbeensimulationandoptimization诵tllMATLABsoftware.4.飘1ecouplingsystemofspatiallighttOopticalfiberWastested.Basedonthespaceopticalcommunicat
7、ionplatform,thespatiallightshapingsystemandthefibercouplingsystemhavebeensetupandtested.耶1efactorsaffectingthecouplingefficiencyWasanalyzed,andsomemethodswereproposedtoeffectivelyimprovecouplingefficiency.TTABS丁RACT5.Finally,forthemulti-wavecommunication,the.impa
8、ctsofwavelengthandincidentangletothecouplingefficiencywereanalyzed.Keywords:free-spaceopticalcommunication,beamcollimation,fibercoupling,lensdesign,performance
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