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1、MaterialsLetters61(2007)855–859www.elsevier.com/locate/matletPhotochromicdiaryletheneforpolarizationholographicopticalrecordinga,⁎ab,⁎bbaShouzhiPu,TiansheYang,BaoliYao,YingliWang,MingLei,JingkunXuaJiangxiKeyLaboratoryofOrganicChemistry,JiangxiScienceandTechnologyNor
2、malUniversity,Nanchang330013,PRChinabStateKeyLaboratoryofTransientOpticsandPhotonics,Xi'anInstituteofOpticsandPrecisionMechanics,ChineseAcademyofScience,Xi'an710068,PRChinaReceived21April2006;accepted3June2006Availableonline25July2006AbstractPhotochromicdiarylethene
3、,1,2-bis[2-methyl-5-(3-fluorophenyl)-3-thienyl]perfluorocylcopentene(1a),wassynthesized.ThecompoundshowedgoodphotochromicreactionsbothinsolutionandinPMMAmatrixbyphoto-irradiation.Usingthediarylethene1b/PMMAfilmasrecordingmediumandaHe–Nelaserforrecordingandreadout,fo
4、urtypesofpolarizationholographicopticalrecordingwereaccomplishedforthefirsttime.Theresultsshowthattheorthogonalcircularpolarizationrecordingisthebestmethodforholographicopticalrecordingwhenthetargetphotochromicdiaryletheneisusedasrecordingmaterial.©2006PublishedbyEl
5、sevierB.V.Keywords:Photochromism;Diarylethene;Polarizationholographicopticalrecording1.Introductionmaterialsusedforholographicrecording,oneisphotorefractivematerialandanotherisphotosensitivepolymerizableacrylicWiththeever-growingdemandsforstoringlargeamountsofmateri
6、al[11–14].Eachkindofmaterialhasitsadvantagesandinformationandforhigh-qualityvideorecording,thedevelopingdisadvantages.Forinstance,photorefractivematerialsexhibittendencyofopticalstorageishighmemorydensity,largestoragehighdynamicrangeandphotopolymermaterialsaresensit
7、ivetocapacity,highdataprocess/transferrateandenvironmentallycons-lightthroughoutthevisiblespectralregion.However,slowcioustechnology[1].Manyapproacheshavebeenmadetoincreaseresponsetimeforthephotorefractivematerialsandspecialfixingtherecordingdensityofopticalmemory,s
8、uchasholographicinformationafterrecordingforphotosensitivepolymerizablerecording,three-dimensional(3D)recording,magnetically-in-acrylicmat
