超高速光電導(dǎo)開關(guān)性能表征方法的研究.pdf

1、天津大學(xué)碩士學(xué)位論文超高速光電導(dǎo)開關(guān)性能表征方法的研究姓名：祁森申請學(xué)位級別：碩士專業(yè)：測試計量技術(shù)與儀器指導(dǎo)教師：劉慶綱20070101ABSTRACTWiththerapiddevelopmentofnanotechnologytheelectricdevicesbecomecontinuallyminiandhigh—speedTraditionalelectronicmethods，limitedbytheirintrinsic

2、problems，arenotabletomeasureandtestdevicesquicklyandexactlychallengingtheabilitytomeasurethemInourresearch，anewphotoconductiveswitch，whichselVeSasthesourceofultrafastelectricalsignal，isfabricatedusingAtomicForceMicroscop

3、e(AFM)Theprototypeofanelectroopticsampling(EOS)systemandtheautocorrelationmeasurementsystemarestudied，designed，andconstructedtomeasuretheultrafastsignalThekeycomponentsinfluencingthesystem’Soverallperformanceareanalyzeda

4、ndtestedinordertodeveloptheautomatictestsystemThemaincontentsofthispaperinclude：1Basedoncomprehensivereference，thetechniquesusedforultrafastelectricalsignal’Scharacterizationarereviewedandcompared2Byanalyzingthefundament

5、alprincipleofphotoconductiveswitch，theultrafastphotoconductiveswitchisdesignedincludingchoiceofitssubstratematerialanddesignofitsstructureandfabricationmethodTheoutputcharacteristicofthephotoconductiveswitchisalsocalcula

6、ted，theoretically3TheprototypeoftheultrafastphotoconductiveswitchisfabricatedusingAFM4Basedoncrystaloptics，theprincipleofelectroopticeffectisanalyzed，fromwhichtheprincipleoftheEOStechniqueisintroducedParametersusedtoeval

7、uatetheperformanceofanEOSsystemarestudied5ThestructureoftheEOSsystemisdesigned，includingoptomechanicaldelayline(OMDL)，embodimentofelectroopticmodulatorandlockindetectionmoduleUser’Sinterfaceisdeveloped，usingLabVIEW6Thepr