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chwavepropagationintwo-dimensionalphotoniccrystals:Influenceofthepolarization

Keywords:photoniccrystal,Blochwave,,Fourieranalysis,left-handedmaterials

Abstract:TransverseMagic(TM)andTransverseElectric(TE)opticalBlochwavesarethegenericsolutionsofMaxwell'sequationsintwo-dimensionalphotoniccrystals(2D-PhCs).WepresentanintuitivedescriptionofthesewavesbasedontheirFourierdepositionintoseriesofelectromagicwaves.ThepropertiesoftheseelectromagicwavesaswellastheircontributiontotheglobalenergyandgroupvelocityoftheglobalBlochwavearediscussedforeachpolarization.Thisdescriptionprovidesasimpleandintuitivemethodtounderstanddispersionandgroupvelocityeffectsin2D-PhCs.

Source:OpticalandQuantumElectronicsVolume37,Numbers1-3January2005

Photoniccrystalfiberswithmaterialanisotropy

Keywords:birefringence,electromagicmodeling,photoniccrystalfibers

Abstract:Inthispaperwearemodelingtheinterplayofmaterialandformbirefringenceinphotoniccrystalfibers.Weintroduceanefficientnumericalmethodforthecalculationofthemodalstructure.Ourapproachreliessolvingthefullyvectorialwaveequationforthetransversemagicfieldandtherespectivepropagationconstantsusingaplanewaveexpansion.Themethodaccountsforasimpleformofmaterialanisotropy.Ouranalysisisrelevanttocertainapplicationareas,andinparticulartofibersensing,wherematerialbirefringencearisesforinstanceduetotransversallyappliedmechanicalstress.Weanalyzetheinfluenceofmaterialbirefringenceonthemodalbirefringenceandthestateofpolarizationofthefundamentalmode.

Source:OpticalandQuantumElectronicsIssue:Volume37,Numbers1-3January2005

Bandstructuresinnonlinearphotoniccrystalslabs

Keywords:finite-differencetime-domainmethod,Kerr-nonlinearmaterial,

photoniccrystalslab,red-shift

Abstract:Thefinite-differencetime-domainmethodwasusedtoanalyzebandstructuresintwo-dimensionalKerr-nonlinearphotoniccrystalslabs.Atriangularlatticeofcircularairrodswasconsidered.Resultsshowred-shiftingofthebandstructureduetothenonlinearityandtheincidentintensity.Thered-shiftofthebandgapbetweenthefirstandthesecondbandsismaximalwhentheairrodradiusisintherange0.2ato0.25a,whereaistheperiod.

Source:OpticalandQuantumElectronicsIssue:Volume37,Numbers1-3January2005

SurfaceOstwald-ripeningandevaporationofgoldbeadedfilmsonsapphire

Keywords:Ostwald-ripening,beadedfilms,catalysts

Abstract:Thekiicsofmorphologicalevolutionsofgoldnanoparticlesonalumina,resultingfromevaporationandsurfaceOstwald-ripeningcoarsening,havebeeninvestigatedbymeansofAugerelectronspectroscopy.Whenthefractionofthecoveredareaissmall,thekiicsofevaporationcanberelatedtothedesorptionofadatoms.Inthetemperaturerange943–1043KweobtainedtheevaporationfluxJ(m-2s-1)等于4.8×1027exp[-196±9(kJ/mol)/RT].Theexperimentalactivationenergyofevaporationofgoldfromasapphiresurface,Qevap等于196±9kJ/mol,islowerthanthetabulatedvalueofenthalpyofsublimationofgold,Hsubl等于368kJ/mol.Atlowertemperatures,intherange623–778K,Ostwald-ripeningexperiments,carriedoutonnanosizedclusters,yieldthemasstransfersurfacediffusioncoefficientsofgoldonalumina,Ds(m2/s)等于2.6×10–14exp[-58±9(kJ/mol)/RT].Theseresults,providinginformationontheevolutionofgranulargoldfilmssuchasthoseusedincatalystsorsensors,areparedtopreviousdataonsimilarsystems.

Source:AppliedPhysicsA:MaterialsScience&,Processing

Volume81,Number4September2005

AdhesionandproliferationofOCT-1osteoblast-likecellsonmicro-andnano-scaletopographystructuredpoly(l-lactide).

Keywords:Polystyrene,Celladhesion,Osteoblast,Nano-scale,Poly(l-lactide)

Abstract:Theimpactofthesurfacetopographyofpolylactone-typepolymeroncelladhesionwastobeconcernedbecausethemicro-scaletextureofasurfacecanprovideasignificanteffectontheadhesionbehaviorofcellsonthesurface.Especiallyfortheapplicationoftissueengineeringscaffold,theporesizecouldhaveaninfluenceoncellin-growthandsubsequentproliferation.Micro-fabricationtechnologywasusedtogeneratespecifictopographytoinvestigatetherelationshipbetweenthecellsandsurface.Inthisstudythepits-patternedsurfacesofpolystyrene(PS)filmwithdiameters2.2and0.45μmwerepreparedbyphase-separation,andthecorrespondingscaleislands-patternedPLLAsurfacewaspreparedbyamoldingtechniqueusingthepits-patternedPSasatemplate.TheadhesionandproliferationbehaviorofOCT-1osteoblast-likecellsmorphologyonthepits-andislands-patternedsurfacewerecharacterizedbySEMobservation,cellattachmentefficiencymeasurementandMTTassay.TheresultsshowedthatthecelladhesioncouldbeenhancedonPLLAandPSsurfacewithnano-scaleandmicro-scaleroughnessparedtothesmoothsurfacesofthePLLAandPS.TheOCT-1osteoblast-likecellscouldgrowalongthesurfacewithtwodifferentsize

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化学工程方面有关论文范文数据库,与中国学术期刊全文数据库,学术期刊购买全文相关论文摘要怎么写参考文献资料：