LD泵浦的全光纖鉺鐿共摻雙包層光纖激光器研究.pdf

1、河北大學(xué)碩士學(xué)位論文LD泵浦的全光纖鉺鐿共摻雙包層光纖激光器研究姓名：關(guān)澤琳申請學(xué)位級別：碩士專業(yè)：光學(xué)指導(dǎo)教師：蘇紅新20100601AbstractⅡAbstractEr3Yb3codopedfiberlasersasanewpatternlasersourceapplicabletoallfibercommunicationwkWDMSystemhavebeenpaidgreatattentiondevelopedrapidlys

2、incelater1980s.InthisdissertationtheeticalexperimentalinvestigationsofEr3Yb3codopedfiberlaserarepresentedsystematically.1.BasicprinciplesdesignphilosophyofEr3Yb3codopedfiberlasersaregloballysummarized.Propertiesvarietyof

3、doublecladfibercavitystructureoffiberlaserpumpingmodearediscussed.LevelstructureradiationtheyofEr3Yb3systemisanalyzed.ThetheeticalmodelofEr3Yb3codopedfiberlaserisestablishedbasedonrateequationsftheatomicpopulationspowerp

4、ropagationequations.2.TheeticalsimulationonwkingacteristicsofEr3Yb3codopedfiberlaserinsteadystateismadeusingRoungeKuttamethodwithMatlab.Therelationshipbetweenthepumppowerthefiberlengththereflectivityoftheoutputmirrthedop

5、ingratioofYb3Er3outputacteristicsisdiscussedwhichprovidesthetheeticalbasisfoptimizingthefiberlaser.3.ExperimentalstudiesonEr3Yb3codopedfiberlaserarepresented.ThreekindsofallfiberDBRlasersaredesignedputupwithdifferentpara

6、meters.Comparativestudyonthespectrumpropertiespowerpropertiestimedomainpropertiesofthemarecarriedoutexperimentally.Intheoptimumconditionthemaximumoutputpowerofthefiberlaseris2Wwithaslopeefficiencyof53.8%themeasuredlasing