表面等離激元光柵與棱鏡耦合模式及其應(yīng)用.pdf

1、西安電子科技大學(xué)碩士學(xué)位論文表面等離激元光柵與棱鏡耦合模式及其應(yīng)用姓名：吳瑞申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：無(wú)線電物理指導(dǎo)教師：吳振森201201AbstractWiththedevelopmentofnanotechnologyandtheriseofplasmonicsphotonics，noveleffectsanditsapplicationsoflightpresentedinmetalmicronanostllJchlreshave

2、causedwidespreadconcem，whichhavebecomeahotspotofthefieldInthispap甌amorecomprehensiveoverviewofsurfaceplasmondevelopmentprocessispresentedBasedonsurfaceplasmondispersionrelationship，thegrmingcouplerprismcouplerandsomeofth

3、eirapplicationsarestudiedSurfaceplasmonwavesolutionanditsfeaturesonthemetal／dielectricinterfIaceareanalyzedtheoreticallythenthedispersionrelationofsurfaceplsmonisderivedAccordingtoitsdispersionrelation，surfaceplasmoncoup

4、lingmodesareintroducedandthreecharacteristiclengthesofsurfaceplasmonaredescribedThegratingcouplerappliedtooptimizetheemittedbeamofthequantumcascadelasers(QCLs)isstudiedBasedonthetheoryoftheantennaarraythecollimationresul

5、tswhichhasbeenaffectedbythenumberofgratinggrooves，electricfieldintensitvratiobetweenthegrooveandtheslot，thegroovesphaseandotherfactorsarecalculatedCouplingefficiencybetweenthecollimatedbeamandsinglemodefiberwiththeprismi

6、sstudiedTheinterpretationanddiscussionaboutthefibertype，thelocationofeachdevice，andthecoefficientofcouplingefficiencyarepresented；ThefinalleffectiveopticalpowerofQCLsisestimatedTheinfluenceoftheroughnessonthedispersionre

7、lation，reflectivityandtransmittivityofthisstructureisdiscussedThen，accordingtothechatacteristicsoflightdistributioninunitsolidangleandthedistributionofdipolefunction，thespectraldensityfunctionwhichcandeterminetheroughnes

8、sparametersisderivedanddiscussedBasedonthephenomenonthatwhilethelowermediuminthisstructurehasbeenchangedslightlythereflectivitywillbeenverydifferent，thesensingcharacteristicsofthestructurearediscussed，andacomprehensivean