高功率高光束质量侧面泵浦固体激光主振荡功率放大器

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1、浙江大学硕士学位论文AbstraetAbstractThispaperiscomposedoftwoparts：AnoveltheoryofsphericalaberrationselfcompensationisproposedtobeutilizedinbeamqualityenhancementinsolidstateMasterOscillatorPowerAmplifier,andanexperimentalsetupofsidepumpedMasterOscillatorPowerAmplifierwithhi曲powerandexcellentbe

2、amquality．Thermaleffecthasalwaysplayedanimportantroleinthedesignofsolidstatelasers，especiallyinhighpowerconfiguration．InChapter2，anclearanalysisofthethermaleffectinsidepumpedrod-typeNd：YAGcrystalisprovided．Greatattentionispaidtothermalinducedsphericalaberrationeffectanditsinfluencing

3、factor,itsinfluencetolasersandlaseramplifiers．InordertocompensateforthepositivesphericalaberrationinNd：YAGcrystal，asphericallensorphaseconjugatemirrorsWaSusedtoinduceanegativesphericalaberration．However，thesecomponentsarecomplicateindesignaswellashighly—costinmanufacture．Inchapter3，a

4、noveltheoryofsphericalaberrationselfcompensationisproposedintheory,predictinganinversionfrompositivesphericalaberrationtonegativesphericalaberration．Moreover，thetheorycanbeutilizedinachievinghizhpowerandexcellentbeamqualityoutputinsolidstateMasterOscillatorPowerAmplifier．Basedontheth

5、eoryofsphericalaberrationselfcompensation，anexperimentofbeamqualityenhancementhasbeencarriedouttOtestifyitsaccuracy．Athree—stagesidepumpedMasterOscillatorPowerAmplifierwithhi曲powerandexcellentbeamqualityhasalsobeendeveloped．achievinganoutputof130WandbeamqualityofM2x=1．46，Mey=1。35inco

6、ntinuouswaveconfiguration．InQ—switchedconfiguration，anoutputof125Wisobtainedwithrepetitionrateof10kHzandpulsewidthof75ns．KeyWords：Sidepumped，Nd：YAGLasers，MOPA，Sphericalaberrationselfcompensation，Beamqualityimprovement．111浙江大学硕士学位论文目录致{射⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

7、～I摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．ⅡAbstract⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．III目录⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．Ⅳ第1章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1课题背景⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．2二极管泵浦高功率、高亮度激光主振荡功率放大器的发展概况⋯⋯⋯⋯⋯⋯⋯⋯21．

8、2．1侧面泵浦高功率激光