Theoretical analysis and design of high-performance frequency converters for LIDAR systems [Elektronische Ressource] / vorgelegt von Gerd Achim Wagner

Gerd Wagner ([e-mail])

Sujets

• Physik

Informations

• Publié par: universitat_hohenheim
• Publié le: 01 janvier 2009
• Nombre de lectures: 36
• Langue: English
• Poids de l'ouvrage: 26 Mo

Extrait

haftenTheoreticalcanalysisundandterdesignInstitutofvhigh-pause2009rformanceersit?tfrequencyPhconvvGerdertersWforhheimLIDecARNaturwissenscsystemsUnivDissertationHohenheimzurf?rErlangungysikdesMeteorologieDoktorgradesorgelegtderonNaturwissenscAhafhimtagnerenKirc(Dr.unrer.Tnat.)kFakult?tH.Thisterthesis,wK.aseracceptedPDasPhaUnivdoUnivctoralysicdissertationofinGermanfulllmenoftdditionalofAppliedtheHohenheimrequiremenytsHohenheimforoftheanddegreeersitDoktorCo-reviewdeA.rerospaceNaturwissensc-hecaStuttgartftenProf.bInstituteyandtheyFProf.acultFyNaturalofyNaturalulfmeySciencesInstituteatPhthesUnivMeteorologyersitUnivyyofHohenheimHohenheim,erStuttgart,Dr.GermanGiesenyAonCen2(DLR)JulyInstitute2009.TDatehnicalofysics,oralAexamination:examiner:24Dr.JulyJetter2009ofExaminationMathematicscommiStatistics,tersitteofe:Dean:SupDr.ervisorBreerandacultreviewofer:SciencesProf.ersitDr.ofV.WLidarSummaanryaserFSrequencisyresonators.conresultsvfutureerterstatiobasedctralonrate-equationparametricTi:anddesignnonparametricthefrequencyeconthevications.ersionmoareerformancean-talyzedmowithstablerespofectetocalthesenspbecicatiotnlasesmonstrforsystemhigh-aatervinerageapdevolasingwierspwertiesater-vTi:SapphireapworwithDIhALun-trans-theoreticalmittersend-pump(DIAL:hiDbasedierenasymmetrictialringAbsorptionprLIDTheAR;espLIDusedAR:devLighatpDetectotionaandforRanging).orneAaccordingTi:SapphireALESlaserapwerimenasspselectedurthermore,asaaofsuitableedfrequencytoconandvtforwerterptoandfulllesimpropultaneouslyofallhethelrequitransmitterrereedeledmenatsapproacinfortheandwstableaFirstvresultselengthanrangeedofSapp935rnmlaserandon820optimized,nm.confoAsunstablethermalresonatoreectsarehaevted.eobtainedacandecisiveciallyeeinuenceforonfurthertheelopmenoofvTi:erallapphireerformancerandservlaserasresonatordedesign,atortheyawspace-bereDIALsimtransmitterulatedtoonWTi:Sapphire(WlaserVcrystalsorinExpdetailtfSpace)orecdierenFtthecrystals,dpump,pandncotheolingelopcongura-theorytionsdulesusingothernitematerialselemencongurationststraighanalysisard.(FEA).TheSpZusammenfassungoptimierten,Fdesrequenzerden,kompliziert.onResona-vinsberterhbasierendenaufLeistungparametrisceinenhereundwnicklungheinentparameortsserians(FEA)cEherransmittersFf?rrequenzkErsteonLasersvonfoker-erlangtensionWwurdenvhinsicnhDIALtlic(WhndersollSpistezikeltenationenundf?rAna-Wuliert.asserdampf-DIAL-TspransmittergenscmitLaserhoherdurcmittlererhLeistungundunmotersuchehendgepumptentauf(DIAL:henDiinstabilengezeigt.ekrenf?rtielletsTitan-SaphirAbsorptionsendetLIDalsAR;fLwIDransmitterAR:WLighVtExpDe-intectionationenandARanging).deEinAnpassungTitan-SaphirwicLaserriemowurdeLasermaterialialongurationenstegeeigneterlyseFsimrequenzkDieonundvektralenerteriaus-haftengewTitan-Saphir?hlt,TumwurdengleichhBilanzgleiczungsansatzeitigstabileallinstabileetorenAnforderungendelliert.imtheoretiscWErgebnisseellenlines?ngenTitan-Saphirbbasierendereiceinemhasymmetriscvkonalen935RingresonatordesignnmerdenundDie820Ergebnissenm?nnenzuesondereerf?llen.dieDaeiterenthermiscwicheeinesEekteLaserseinenerwenwtscderheDemoidendenstratorEinuss?raufzuk?nftigendieeltraumgest?tztengesamTtenacLeistungdenundALESdasaterLaserresonatordesignaphabLidaren,erimewurdentsieSpace)detailezikiertdienenan.Titan-SaphiruLaserkristallenrf?rmveineerscderhiedenetKristalle,kPump-Theo-undduleK?hlanordnandereungenenmitKHilfeunkFiniteriiElemen101Con.ten.ts.Contents.List.of.Figures.v.List103of.T.ables.ix.Nomenclature.and.List.of.Symb.ols.x.1.Intro.ductionmoand.scientictromotivation.1.2.DIAL.p.rincipl.e.and.transmitter.requirements.3deling3.Suitable.frequency.convertersductionand.p.erfo.rmance.mo.delin.g.9.3.1.Optical.parametric.oscillator.(OPO)mo...........4.3.1.........mo.......4.3.3.......4.3.4........10.3.2.Raman.laser111.........sign.......111.......116.......erformance.................Lase.......iii............12.3.3.Lasertro.................De.................selection...............propagation.............Unstable..............16.4InTi:Sapphire.laser.21.4.1.In.tro.duction.and.Ti:Sapphire4.4.2laserdelingcrystal.prop.erties..........Resonator...............Beam21.4.2.Thermal.mo.deling....4.5.deling...............4.5.1.................129.p........................26.4.2.1.In.tro.duction..............101.In.duction.................................4.3.2.sign.deling........26.4.2.2.Im.p.ortance.of.thermal.mo.deling....101.Resonator.............................102.Beam.mo..27.4.2.3.He.at.equation.and.solutio.n........4.4.resonator.................................4.4.1.tro..27.4.2.4.Thermal.mo.del.set.up..................111.De.mo..............................274.4.34.2.5selectionThermal.mo.deling.results......................4.4.4.propagation.deling......................351184.2.6PThermalmomo.deling.analysi.s.-.calculation.of.thermal.lensing.............801294.2.7InThermalductionmo.deling.disc.u.ssi.on......................4.5.2.r.erformance.del..................95.4.3.Stable.resonator129...ConDten170ts.4.5.34.6.4Results.for.935.nm.-.stable.resonatorfacto.le...del...f...........ry.accuracy.200.......4.6.2..135.4.5.4.Results4.6.3forstabilization935.nm.-yunstable.resonator....noise.........183.Erro.FEA.lens.217.219..........141.4.5.5ction-seedingResults.for.820.nm.-.stable.resonator..ctiv.e.hniques.........ectral.deling.............Lase....148.4.5.6.Results.for.820.nm.-5unstableoutloresonatorE.187.estimation.C.del.e.197.of.ckno.gm................154.4.5.7.Output.energy.for167stableInjeresonatormoTISA.laser.at.600-1100.nm.........159.4.5.8.Comparison.of.theory167andAexpeerimenrtquency.tec.................169.Sp.purit.mo..........160.4.6.Sp.ectral.mo.deling......4.6.5.r.................................179.Summa.and.ok.A.ciency.rs.B.r.and.189.Multiphysics.mo1671954.6.1ThInrmaltrodataductionReferences.List.publications.A.w.d.ent.iv.3+
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