有關(guān)可調(diào)光子晶體及金屬表面周期性結(jié)構(gòu)超強(qiáng)透射的幾個(gè)理論問題.pdf

1、V769714飯旦大學(xué)學(xué)棱代碼t10246學(xué)號(hào)：011019336博士學(xué)位論文有關(guān)可調(diào)光子鑫體及金屬表面周期性結(jié)構(gòu)超強(qiáng)透射的幾個(gè)理論問題院專姓系：毖翌堂丕業(yè)：監(jiān)聚態(tài)物理名：篷武撻AbstractThisthesisconsistsmainlyoftwoparts：themechanismofextraordinarytransmissionthroughtwodimensionalperiodicarrayofaperturesperf

2、oratedonthemetalfilm(chapter3)；thetheoreticalstudyoftunablephotoniccrystals(chapter4)。Inchapter1，wegiveintroductionsofphotoniccrystals，surfaceplasmonextraordinarytransmission，andcavityresonance，themostimportantofwhichist

3、heresonanceinsidetheslitwhenthewidthoftheslitisverysmallincomparisontothewavelengthofincidentlightCavityresonancemaybethekeytounderstandtheextraordinarytransmissionofarrayofrectangularholesorcoaxialholesInthefirstsection

4、ofchapter2，IdetailsomeselectedtopicsonFDTDmethodInthesecondsection，transfermatrixmethodisdetailedInchapter3themechanismofextraordinarytransmissionthroughmetalfilmperforatedbyperiodicarraysofaperturesisdiscussed，Webelieve

5、thatforarraysofcircularholesthemechanismisthesurfaceplasmonpolaritonsinducedbyperiodicityonthemetalsurfaceandthecouplingbetweenthefrontsurfaceandthebacksurfaceHoweverforrectangularholesorcoaxialholes，localresonanceinside

6、thecavityispredominantInchapter4，tunabilityofphotoniccrystalsisstudiedwhenexternalmagneticfieldisappliedalongthenoma越totheinterface。EitherphotonicbandgaporBrewsteranglecanbetuned。Keywords：extraordinarytransmission，period