自組裝法制作光子晶體及特性研究.pdf

1、中國近代第一所大學FOUNDEDIN1895天畢大驀TIANJlNUNIVERSITY碩囊士《學j位論文強■娜■●●舉科專韭：俸謄姓名：指導教師：。物理電子學尊___囂●____—————————————一銣搏文?！?。。___。i●。_?！?。●。____________________。________。_●______一王清月教授天津大學研究生院。。，200◇輦摻“舟。～ABSTRACTPhotoniccrystalsaresynt

2、heticcrystals，madeoftwoormorekindsofdielectricbuildingblocksarriedin1D，2D，and3DperiodstructureoflightwavelengthscaleDuetotheBraggdiffraction，lightwaveinsomefrequencyrangisforbiddentopropagateinit，formingphotonicbandgapIn

3、thisdissertation，theoplinephotoniccrystalismadebyselfassemblythephotonicbandgapismeasured，andthepropertiesofthebandgapisstudiedbynumericalanalysisbasedontheplanewavemethodandBraggdiffractiontheoryThecontentsareasfollows：

4、Inthefirstchapterthereisanilluminationabouttheconceptofphotoniccrystal，theoryofphotonicband，themechanismofmanipulatinglight，andsoonAtthesametime，theclassificationsandapplicationsareintroducedThesecondchaptershowsthediffe

5、rentcaculationmethodonphotoniccrystals，especiallyemphasizesonthephysicalsignification，mathematicsbase，andalgorithmimplementationofplanewavemethodUtilizingitsfunctions，thepropertiesofbandgapof1D，2D，and3DphotonicCrystalsar

6、eanalysiedIntheend，thestructureparametersoffacecentredcubicphotoniccrystalsaredesignedInthethirdchapterthereisabriefcommentondifferentkindsoffabricationapproachestophotoniccrystalsThischapterdescribestheprocessoftheselfa

7、ssemblyanddiscussestheinfluencesintheprocess；meanwhiletheconvectiveassemblyhypothesisisgiventoexplainthestrongtendencytowardsthefeestructureandthereasonofstackingfaultsInthechapterfourtheopalinephotoniccrystalsisfabricat

8、edbyselfassemblyandthemicrographyisobtainedbyESEM，asaresultofindicatingthestructureisclose—packed，referedasthefccstructureThebandgapofthesampleisdetected，withtheresultbasicallymatchingthecalculation，moreovertherelationbe

9、tweencentrewavelengthofbandgapandincidentangleisstudiedThentheinfluencesofenvironmentalparameterontheprocedurerate，quanlityandthicknessisinvestigatedKEYWORDS：photoniccrystals，photonicbandgap，selfassemblyplanewavemethod，B