亞波長槽縫結(jié)構(gòu)中超強透射機理及在光纖通信中的應(yīng)用研究.pdf

1、南京理工大學(xué)碩士學(xué)位論文亞波長槽縫結(jié)構(gòu)中超強透射機理及在光纖通信中的應(yīng)用研究姓名：秦子健申請學(xué)位級別：碩士專業(yè)：光學(xué)工程指導(dǎo)教師：李相銀20100501ABSTRACTTherehaSbeenwide砌geofresearchinthephysicaloriginofExtraodinaryOptlcalTransmission(EOT)andusingittodesignopticaldevicessinceEOTwasreporte

2、dwhenli出waVegoesthrougharraysofsubwavelengthaperturesonaDeceofmetalllctllm111estudvshowsmatthesurfaceplasmonsplayedacrucialroleinthephenomenonofEOTBasedonmeaboveresearchbackground，startingfromMaxwell’sequations’therigoro

3、uscoupledwavetheoryisadoptedtoanalysisthephysicaloriginofEOT111rou曲mestigatingthestructureofgroove—slit，designasubwavelengthmetalStmcn峨wnenthelimof1550nmwavelengthgoesthroughthestructure，thestructurecan∞meVcopticalamplif

4、icationinonedirection，whilethestrucrecarlachieveopticalisoIationmanotherdirectionThedetailsareasfollows：1CurrenUythephysicaloriginofEOTisnotveryclearthecurrentinternationallyacceptedmodeIsofEOTareSPPCDEWandCMmodelsBysimp

5、lifyingthe咖lctureofthemet甜film，thetransfermatrixisusedtocalculatethetransmissionrateWestudythee位ctsofs仃ucturalparametersonthetransmissionratbyrigorouscoupled。waVe，aIldcomparethesimulationresultswiththeanalyticalsolutions

6、，atthesametimeexplamt量1esimulationresultsusinganalyticalsolutions，theaboveresearchprovidesareferenoetbrunderstandingthephysicaloriginofEOT2TheEOThaSbeenwidelyusedinthedesignofoptics，butnowmostpeoplefocUSedonthewaVelength

7、between380nmto800nm，presentlythereislittleresearchonopticaltlbercommunicationwindowsWestudiedtheeffectsofgrooveslit’SstructuralparameterSonthetmrlsmissionratbyrigorouscoupledwave(1)wefindthattransmlsslonrateperiodicallyv

8、arieswiththedistancebetweengrooveandslittheamplitudewillreduceaSmethedistancebetweengrooveandslitincreases(2)wealsofindthatwiththe腫誦ngnumberofgrooves，strengtheningandweakeningdegreeoftrans跏sslonincreaSebutwhen也enumberrea

9、chesacertainamount(thenumberofgrooVesn24)thedegreewillstabilize3Accordingtotheresearchoftheenhancedpositionandweakenedposition，wedesl弘血elocationofgroovesandrealizetheamplificationandisolationoflightinl550IlIIlwaVelengthI