1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文基于雙面金屬包覆單軸晶體波導(dǎo)結(jié)構(gòu)的偏振轉(zhuǎn)換和古斯?jié)h欣位移研究姓名：李志峰申請學(xué)位級別：碩士專業(yè)：光學(xué)指導(dǎo)教師：魯擁華20110520ABSTRACTiiiABSTRACTABSTRACTABSTRACTABSTRACTTheactivemodulationoflightisanimptantsubjectinthepresentintegratedopticsfield.Thedielectricwavegu

2、idecoveredbymetalcladdingcanefficientlycoupletheincidentbeamintowaveguidelayer.Furthermewhenthewaveguidelayerisfilledinanisotropicdielectricthewaveguidingbehaviofdevicecanbeadjustedduetothechangeofpermittivitytensinthewa

3、veguidelayerwhichcanbeachievedbyfcinganexternalvoltageinthemetalcladding.Therefethemodulationoflightcanbefinishedbychangingtheexternalvoltage.Theresearchwkwithinthisthesisisfocusonthemetalcladdinguniaxialcrystalplanarwav

4、eguideinvestigatednumericallytheeffectofgeometricalparameterspermittivitytensonthewaveguidebehavithroughtransfermatrixmethodFinitedifferencefrequencydomain(FDFD)method.Themainresearchwksconclusionsareasfollowing:1、The4x4

5、transfermatrixisderivedanalyticallybyvirtueofMaxwellequationconstitutiverelationwhichprovidesthetheeticalfoundationfthedevice.2、Themodefielddistributioninthethemetalcladdinguniaxialcrystalplanarwaveguidestructureisinvest

6、igatedbyFDFDwhichgivestheevidencefthehybridwaveguidemodebehavi.3、Theeffectsofthethicknessofmetalcladdingthedirectionofopticalaxisonthereflectivityphasedifferenceisnumericallyinvestigatedbytransfermatrixmethod.Weacquiredt

7、hedesignvalueofthemetalcladdinguniaxialcrystalplanarwaveguidestructureuseasacircularpolarizationconvertingdevice.4、TheGoosHnchenshiftinthemetalcladdinguniaxialcrystalplanarwaveguidestructureisnumericallyinvestigatedbysta