基于石墨烯的侧边抛磨光纤和微纳光纤光控特性-研究

《基于石墨烯的侧边抛磨光纤和微纳光纤光控特性-研究》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、AbstractOpticalfibersensingisanimportantfieldofopticalfibertechnology.Thedevelopmentofopticalfibersensingbeganin1970s,andhasbeenpaidgreatattention.Sidepolishedfiberandmicronanofiberwhichareusedasbasesofopticalfibersensorhavebeenwidelyusedandplayanimportantroleinphotoelectricsensordetectio

2、n.Grapheneisatwo-dimensionalhoneycombcrystalwhichcomposedofasinglelayercarbonatoms.Thediscoveryofgraphenehasdrawngreatattentionofscientists.Duetographene'suniqueproperties,ithasbeenforecastedtocausearevolutionarychangeinmanyfields.However,theapplicationsofgraphenehavebeenhinderedbyitspoor

3、solubilityandlowyield,whicharemainlycausedbyitshighinter-layerattractionenergies.Therefore,wemakethemethylblue-functionalizedreducedgrapheneoxide.Thesidepolishedfibergenerallyreferstothespecialopticalfiberthatisformedbythestandardsingle-modeopticalfiberremovedthepartcladdingbythesidepolis

4、hingtechnologyorchemicalcorrosionmethod.Micronanofiberisthespecialopticalfiberwithadiameterofseveralhundrednanometerstoseveralmicrometers.Theycanbefabricatedbyflame-heatingandtaper-drawingtechniques.Themaincontentofthispaperisexploringthelight-dependentcontrolpropertyofsidepolishedoptical

5、fiberwhichoverloadedgrapheneandmicronanofiberwhichoverloadedmethylblue-functionalizedreducedgrapheneoxide.Grapheneisdepositedontothesidepolishedareaofthesidepolishedfiberbyusingnaturalevaporationdeposition.Wemeasuretheopticaltransmittedpowerinsidepolishedfiberwhileusingthepumpinglightof40

6、5nmilluminatedontotheareadepositedbygraphene.Theresultsshowsidepolishedfiberoverloadedgraphenehasahighsensitivityoflight-dependentwithpumpinglightof405nm.Whenthepumpinglightpowerchangefrom0mwto11mw,thechangeoflightpoweris3.4dBthroughthefibersensor,linearcorrelationbetweenrelativepowerwith

7、thepumpinglightpowerincreaseashighas97.1%withthesensitivityis0.29dB/mw.Andthechangeoflightpoweris2.9dBthroughthefibersensor,linearcorrelationbetweenrelativepowerwiththepumpinglightpowerdecreaseashighas96.5%withthesensitivityis0.25III万方数据dB/mw.Methylblue-functionaliz