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激光技术类有关论文范文集,与学术期刊库全文,中国学术期刊全文数据库相关毕业论文网
本论文是一篇激光技术类有关毕业论文网,关于学术期刊库全文,中国学术期刊全文数据库相关毕业论文参考文献格式范文。免费优秀的关于激光技术及光子及晶体方面论文范文资料,适合激光技术论文写作的大学硕士及本科毕业论文开题报告范文和学术职称论文参考文献下载。
thwasusedasthepumpsource,aYb3+-dopeddouble-cladphotoniccrystalfiberwasusedasgainmedium,andtheF-Pcavitywasused.Amaximumoutputpowerof5.3Wwasobtainedat-1040nmcentralwavelength.Theinfluencesofpumppoweronpolarizationcharacteristicofthelaserwerestudied.(11refs.)Source:ShenzhenDaxueXuebao(LigongBan)/JournalofShenzhenUniversityScienceandEngineering,v26,n1,p20-23,January2016
Analysisandfabricationofhighlynonlinearphotoniccrystalfiber
Abstract:Wehavedesignedahighnolinearphotoniccrystalfiberbyconsideringnonlinearcoefficient,chromaticdispersionandconfinementloss.Thedetailofthedesignprocessispresentedinthispaper.Accordingthesimulationresults,wehavefabricatedakindofhighlynonlinearphotoniccrystalfiber,whichischaracteristicswiththeflattendispersioncurveat800nmwavebandandnegativedispersionatwavelengthof805nm(about-40ps/nm/km).InthiskindofPCFwedesignthezerodispersionaround800nm.Withthefabricatedfiber,wedemonstratethatsupercontinuumemissionwithspectrumstretchingover900nmisobtainedbyinjectingTi:sapphirelaserpulses..(9refs.)
Source:ProceedingsofSPIE-TheInternationalSocietyforOpticalEngineering,v7278,2016,PhotonicsandOptoelectronicsMeetings(POEM)2016:FiberOpticCommunicationandSensors
| 有关论文范文主题研究: | 关于激光技术的论文例文 | 大学生适用: | 高校毕业论文、硕士学位论文 |
|---|---|---|---|
| 相关参考文献下载数量: | 51 | 写作解决问题: | 如何怎么撰写 |
| 毕业论文开题报告: | 文献综述、论文前言 | 职称论文适用: | 期刊发表、职称评副高 |
| 所属大学生专业类别: | 如何怎么撰写 | 论文题目推荐度: | 优秀选题 |
Highharmonicgenerationinagas-filledhollow-corephotoniccrystalfiber
Abstract:Highharmonicgeneration(HHG)ofintenseinfraredlaserradiation(Ferrayetal.,J.Phys.B:At.Mol.Opt.Phys.21:L31,1988,McPhersonetal.,J.Opt.Soc.Am.B4:595,1987)enablescoherentvacuum-UV(VUV)tosoft-X-raysources.Intheusualsetup,energeticfemtosecondlaserpulsesarestronglyfocusedintoagasjet,restrictingtheinteractionlengthtotheRayleighrangeofthefocus.Theaveragephotonfluxislimitedbythelowconversionefficiencyandthelowaveragepoweroftheplexlaseramplifiersystems(Keller,Nature424:831,2003,Su&,die,dmeyeretal.,Nat.Photonics2:599,2016,Ro&,die,seretal.,Opt.Lett.30:2754,2005,Eidametal.,IEEEJ.Sel.Top.QuantumElectron.15:187,2016)whichtypicallyoperateatkilohertzrepetitionrates.Thisrepresentsaseverelimitationformanyexperimentsusingtheharmonicradiationinfieldssuchasmetrologyorhigh-resolutionimaging.DrivingHHGwithnovelhigh-powerdiode-pumpedmulti-megahertzlasersystemshasthepotentialtosignificantlyincreasetheaveragephotonflux.However,thehigheraveragepoweresattheexpenseoflowerpulseenergiesbecausetherepetitionrateisincreasedbymorethanathousandtimes,andefficientHHGisnotpossibleintheusualgeometry.Sofar,twopromisingtechniquesforHHGatlowerpulseenergiesweredeveloped:externalbuild-upcavities(Gohleetal.,Nature436:234,2005,Jonesetal.,Phys.Rev.Lett.94:193,2005)andresonantfieldenhancementinnanostructuredtargets(Kimetal.,Nature453:757,2016).Herewepresentathirdtechnique,whichhasadvantagesintermsofeaseofHHGlightextraction,transversebeamquality,andthepossibilitytosubstantiallyincreaseconversionefficiencybyphase-matching(Pauletal.,Nature421:51,2003,Renetal.,Opt.Express16:17052,2016,Serebryannikovetal.,Phys.Rev.E(Stat.NonlinearSoftMatterPhys.)70:66611,2004,Serebryannikovetal.,Opt.Lett.33:977,2016,Zhangetal.,Nat.Phys.3:270,2007).TheinteractionbetweenthelaserpulsesandthegasoccursinaKagome-typeHollow-CorePhotonicCrystalFiber(HC-PCF)(Benabidetal.,Science298:399,2002),whichreducesthedetectionthresholdforHHGtoonly200nJ.Thisnoveltypeoffiberguidesnearlyallofthelightinthehollowcore(Counyetal.,Science318:1118,2007),preventingdamageevenatintensitiesrequiredforHHG.Ourfiberguided30-fspulseswithapulseenergyofmorethan10μJ,whichismorethanfivetimeshigherthanforanyotherphotoniccrystalfiber(Hensleyetal.,ConferenceonLasersandElectro-Optics(CLEO),IEEEPress,NewYork,2016).(32refs.)
Source:AppliedPhysicsB:LasersandOptics,v97,n2,p369-373,October2016,SpecialIssue
Highlysensitivephotoniccrystalfiberbasedabsorptionspectroscopy
Keywords:Fiberopticssensors,Photoniccrystalfibers,Absorption,Spectroscopy
Abstract:WehavereportedahighlysensitiveevanescentfieldbasedabsorptionspectroscopyusinganoptimizedstructureofPCFwithdefected-core.Theabsorptionsensitivityupto10.8mol1hasbeenachievedwhichissixtimesimprovementparedwiththepreviousreported1.6mol1sensitivityinadefected-corePCF.Moreover,thisstructurecanachieveatwicehighersensitivityparedwithmercialspectrophotometer.ExcellentlinearrelationshiphasbeenobtainedbetweenabsorptionandaqueoussampleconcentrationswhichsuggestedthatthePCFisasatisfactorycandidatureasanabsorptionspectroscopyforoff-chiporon-chipanalytequantitation.
Source:SensorsandActuator
激光技术类有关论文范文集,与学术期刊库全文,中国学术期刊全文数据库相关毕业论文网参考文献资料：