基于开口微环谐振器的近场光子学捕获

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1、万方数据摘要圆形开口的光学捕获力是矩形开口捕获力的两倍。第五章对本论文做了总结，并对所做的工作做出了展望。关键词：光学捕获微环谐振器开口环万方数据AbstractIn1970，Ashkin，afamousAmericanresearcher,succeededintheexperimentthattrappingthelatexinthewaterwitllaGaussianbeam．Thislaidthefoundationofopticaltrappingandstartedtheresearchofit．B

2、ecauseofthemeritsoncontrollablemanipulation，preciousorientationandsorting，opticaltrappingshowsitspowerfulvitalityandhavebeenappliedinmanyfields，suchasbiology,medicine，physicsandchemistryandetc．However,、Ⅳimthedevelopmentoftechnology,problemsanddifficultyappear

3、edintrappingthenanoscaleparticleswiththetraditionalfleespacetrappingmethods．Recently,thenear-fieldtrappingmethodhavesuperiorperformanceandbroadapplyingprospect．ItnotonlyCantrapthenanoscaleparticlebutalsohavetheabilityofintegration．Themainworkofmythesisistodes

4、ignanovelnear-fieldtrappingmethodwhichbasedonthesplitringresonator．Thecontentsofchaptersareoutlinedasfollows：Inchapterone，wefirstlyreviewedthetheoreticalbasisanddevelopmentoftheopticaltrapping．Consideringthatweproposedanear-fieldmethod，wethenmainlyintroducedt

5、hedevelopmentandtheoreticalbasisofthenear-fieldopticaltrapping．Andfinallyweintroducedthecontentsofthethesis．BecausethetrappingmethodweproposedisbasedontheringresonatorSOwereviewedtheringresonatorwithhighQindetail．Chaptertwoexpandedontheaspectsoffundamentals，m

6、anufactureandapplications，especiallytheapplicationintrapping．Inordertoachievetheringresonatortrappingwithspecificequilibriumposition，weproposedandstudiedanear-fieldopticaltrappingmethodinchapterthree．Thisstructureconsistsoftwobuswaveguideandasplitringresonato

7、r．Itachievedastabletrappingwithanequilibriumpositionwhichlocatesinthecentreofthesplitregionwhentheincidentbeamsinspecificphasedifference．Thesimulationresultsindicatesthatthetrappingforceenhancedbymorethanoneorderofmagnitudecomparedwithringresonatortrapping．Mo

8、reover,wecanfineadjustthetrappingpositionbytuningtheincidentpower．Inchapterfour,weoptimizedthesplitringresonatortrappingandputupTTT—————————————』塑型～万方数据tom铷．dtwomethods·Accordingtothecoup