基于周期极化铌酸锂晶体的角度调谐光学参量振荡器

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1、@天睾太茅天淬大学硕士学侮论文AbstractInthisdissertation，wetheoreticallyandexperimentallyinvestigateopticalparametricoscillatorinperiodicallypoledlithiumniobatebasedonangle-tuned．Opticalparametricoscillators《OPOs)havetongheldpromiseaspotemiaUyattractiveSourcesoftunableIRr

2、adiation．TheprocessingtechniquesdevelopedinperiodicallypoledmaterialsalloweddemonstrationofavarietyofQPM-OPO．Thequasi-phase—matchedOPObasedonperiodicallypoledmaterials，pumpedbyDPSSL粼attractiveSOtHcesofcoherentradiationforapplicationswherelasersareunavailabl

3、eorwherewidetilDeisneeded．Bytuningtheparametersofpumpingsourog，thetemperatureandtheperiodofthePPLN，wecangethighpower,hi曲efficiency,widetuneandcompactIRlasers．whichisusefulforavarietyofapplications，forexample，opticalcommunicationsystem，inffafedcountermeasure

4、s，remotesensing，andspectroscopy．Inthispaper,theresearchworkanddiscoveryaredescribed嬲following：1．ThedevelopmentandapplicationsoftunablecoherentIRradiationareintroduced,periodicallypoledmaterials．IintroducethedifferentkindsofPPLNandthelatestdevelopmentathomea

5、ndabroad．2．IintroducetheadvantagesandphysicalmeansofQPM,andfromthecoupledequations，describethetheoryofQPM．Thedevelopmentandapplicationsofopticalparametricoscillationsareintroduced，aswellasthebasictheory．3．Wetheoreticallyinvestigateopticalparametricoscillato

6、rbasedonPPLK。includingtemperaturetune，wavelengthtune，periodtune，angletBne+4．Angle-tunedofOPO．WeexperimentallyinvestigateopticalparametricoscillatorinPPLNbasedonangle—tuned．5．Conclusion．Idescribethecontextofthisworkinhistoricalperspectiveandinrelationtocurre

7、ntresearch,anddiscussprospectsforfuturework．KeyWords：PeriodicallypoledLiNb03OaPLN)，Quasi·phase-matched(QPM)，Opticalparametricoscillation(oPo)，Angle-tuned独剖性声明本人声明所呈交的学位论文是本人在导师指导下进行的研究工作和取锝的研究藏慕，豫了文中持剐趣戳栎注帮致辩之楚羚。论文孛不包含菸毽人露经发表戏撰写趱的研究成果，也不包台为获得基鎏盘整或其他教育枫构的举位或

8、证书而使用过的材料。与我一同工作的同卷对本研究所做的任何贡献均己穰论文中佟了明确的说唆弗表示了遵}意。学位论文律赣签名：袄邀签字问期：≥口口，年，L月7开学位论文版权使角授权书本学位论文作者完众了解鑫壅盘鲎有关保留、使用学位论文的规定。特授权基鲞盘囊可戳将学位论文的全部或部分内容编入有关数据撵进行检索；势采嬲影印、臻露或捉搓等复截手段保存、汇缓缢爨蠢溺器辫阕；爨意学校内国家有关部门减机构送交论文的复