基于石英微毛细管的微流控光学器件研究

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1、华中科技大学硕士学位论文AbstractAsonenovelkindoffunctionalphotonicdevices,optofluidicdevicessimultaneouslyintegratebothmicrofluidictechniquesandphotonicdeviceswithamicrosystem,andenablethesynergismofliquid-phasematerialsandsolidopticssystem.Optofluidicdevicesgreatlyenhancetunability,reconfigurabilit

2、yandintegratedfunctionality,andalsobroadenapplicationareasandresearchpotentials.Theoreticalandexperimentalinvestigationsonsilica-microcapillary-basedoptofluidicdevicesarecarriedout.Maincontentsofthisthesisaresummarizedasfollows:Theresearchbackgroundandsignificanceofoptofluidicsareintrodu

3、ced,andresearchhighlightsonoptofluidicdevicesbasedonsilicamicapillariesaresummarized,alongwiththeirinherentstructurefeatures,schemesandapplications.Boththeoreticalandexperimentalstudyareperformedtoinvestigatethestructuralfeaturesandopticalpropertiesofringresonatorsbasedonsilicamicrocapil

4、laries.Anall-opticaltunableoptofluidicringresonatorisproposed,anddetailedoperationschemeandfabricationareintroduced.Thisall-opticalcontrollabledeviceachievesalargetuningrangeofupto3.3nm,aswellasagoodsensitivityof0.15nm/mW,takingadvantagesofthephotothermaleffectofmagneticfluid,andopticspr

5、opertiesoftheresonatorscheme.Anoptofluidicpolarizationbeamsplitterbasedonamicrocapillaryispresented.Basedontheanalysisandstudyofthepolarization-dependentcharacteristicofthewhisperinggallerymodeswithinamicrotuberesonator,microfibersareadoptedtorealizeanadd-dropringresonator.Thissplitteris

6、abletoseparatetwoorthogonalpolarizationbeams,andtoachieveanopticalspectrumwithextinctionratiosof25dBand10dBatthethroughanddownloadport,respectively.Keywords:OptofluidicsMicrocapillaryOpticalmicrofiberOptofluidicringresonatorPolarizationbeamsplitterII华中科技大学硕士学位论文目录摘要......................

7、............................................................................................IAbstract................................................................................................................II1绪论1.1引言.................................................