徑向偏振光束特性理論研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文徑向偏振光束特性理論研究姓名：王慧東申請學(xué)位級別：碩士專業(yè)：光電信息工程指導(dǎo)教師：王又青20090527華中科技大學(xué)碩士學(xué)位論文華中科技大學(xué)碩士學(xué)位論文IIAbstractRadiallypolarizedlaserbeam(RPB)isanoveltypeoflaserbeamswithuniquepolarizationmode.Itspolarizationtypeisquitedifferentfromt

2、heconventionallinearlycircularlypolarizedlaserbeams.RPBistypicallyaxiallysymmetricpolarizedlaserbeaminhomogeneouslypolarizedlaserbeam.RPBhadattractedgreatattentionbothinscientificresearchesindustriesmanyexperimentshavebe

3、ingtriedtogenerateRPBaswellastoimproveitsoutputpowerpuritystability.RecentlyRPBisfoundapplicationsinsomesophisticatedfieldsofsciencefromwhichithasbeenproventobewithsignificanttheeticalvaluetremendouspracticability.Thisth

4、esismainlydiscussesthetheeticalpropertiesofRPBfromthreeissuesofproblemreferringtheopticalpropagationfeaturesofRPBitsexperimentalgenerationitspracticalusesinseveraltechnologies.Fromthetheiesofopticalwavepropagationwefirst

5、discussthetheparaxialpropagationofRPBthenbyusingtheangularspectrumtheythenonparaxialpropagationfeaturesofRPBhavebeenanalyzed.NextitissuggestedanovelmethodofexperimentalgenerationofRPBfromalasercavitywithparticularrearmir

6、r.Theentireconfigurationiscompactitissuitabletobeappliedunderhighpowercondition.ThefocusofRPBwithhighnumericalapertureisanalyzedtherelatedlasermodesaresimulated.BasedonthepropertiesoffocusedRPBsomeofitstechnologicalappli

7、cationshavebeendiscussedfromwhichRPBisproventohavegreatscientificvalueextensivepracticalprospects.Keywds：Axiallysymmetricpolarizationradiallypolarizedbeamopticalwavepropagationaxiconmirrfocusingpropertieslasercuttinglase