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1、JournalofNonlinearOpticalPhysics&MaterialsVol.26,No.3(2017)1750032(17pages)#.cWorldScienti¯cPublishingCompanyDOI:10.1142/S0218863517500321Fabricationofchromophoremolecule-linkedazopolymeraswaveguidematerialofpolymericthermo-opticdigitalopticalswitchYanJiang*,ZulinDa
2、†,‡,FengxianQiu†,¶,YijunGuan§andGuorongCao§*SchoolofChemicalandMaterialsEngineeringZhenjiangCollege,Zhenjiang212003,P.R.China†SchoolofChemistryandChemicalEngineeringJiangsuUniversity,Zhenjiang212013,P.R.China‡JiangsuKeyLaboratoryforEnvironmentFunctionalMaterialsSuzh
3、ouUniversityofScienceandTechnology,Suzhou215009,P.R.China§DepartmentofPhysics,JiangsuUniversityZhenjiang212013,P.R.China¶fxqiuchem@163.comReceived27June2017Accepted10August2017Published4September2017Achromophoremolecule-linkedazopolymeraswaveguidematerial(MCAP)ofpol
4、ymericthermo-opticdigitalopticalswitch(DOS)waspreparedwithachromophoremolecule(ABFA),apolyetherpolyolandisophoronediisocyanate(IPDI).ThechemicalstructuresofABFAmonomerandazopolymerMCAPwerecharacterizedbyFT-IRandUV–Visiblespectroscopy.Thethermalandmechanicalpropertie
5、softheMCAP¯lmwereinvestigated.TherefractiveindexandtransmissionlossofMCAP¯lmweremeasuredatdi®erenttemperaturesanddif-ferentlaserwavelengthsbyanattenuatedtotalre°ection(ATR)techniqueandCCDdigitalimagingdevices.Apolymericthermo-opticDOSbasedonthethermo-optice®ectofthe
6、MCAPwasdesignedandtheperformanceoftheswitchwassimulatedbyusingthe¯nitedi®erenceJ.NonlinearOptic.Phys.Mat.2017.26.Downloadedfromwww.worldscientific.combeampropagationmethod(FD-BPM).Theexperimentalresultsshowedthatthepowerconsumptionofthepolymericthermo-opticswitchcou
7、ldbeonly0.64mW,whiletheresponsetimeoftheswitchcouldbeasshortas3.0ms.Keywords:Main-chainazopolymer;thermo-opticalproperty;attenuatedtotalre°ection;by117.165.42.208on07/24/18.Re-useanddistributionisstrictlynotpermitted,exceptforOpenAccessarticles.digitalopticalswitch.
8、1.IntroductionAzopolymersarepolymerswhichhave–N¼N–(azo)groupswithinthepolymerstructure.Accordingtothepositionofthe–N¼N–group,theycanbebroa
