光纖光柵色散的低相干干涉測量方法研究.pdf

1、北京機械工業(yè)學(xué)院碩士學(xué)位論文光纖光柵色散的低相干干涉測量方法研究姓名：姜峰申請學(xué)位級別：碩士專業(yè)：測試計量技術(shù)及儀器指導(dǎo)教師：呂乃光20070101AbstractABSTRACTIntIle叩tical—fibercommunicationsthe舶erdispersionbroadenstheopticalpulse，whichIeadstocodee丌orandconsequentlyreducestransmissionspee

2、dHencedjspefsioncompensati徹tumedintooneofkeypmblemsintheOptical一矧krco咖llllicationsThemethodofdispersioncompensationbyfiberBragggratingisbeing岫derstIldiedInadditi徹wimmetechnicalimpmvememof協(xié)iloringfiber掣atingandiIlcre勰emen

3、tofits印plication，thecharacteristicmeasurementsoffibergratingaredemandedmoreandmores缸ctly，sOmemeasurememsystemwith1li曲陀solution，whichcalldistinguishsubtle脅ergratingsnllcture，isneededu唱entlyIth嬲great印plicationvaluet0deVelO

4、phighresolvingpowermeasurememsystcmoffibergratingdispersionLowcoherenceinterfemmetrymethodhasbeenllsedt0me船uredispersioninopticalfibersa11dbulkopticalcomponentsItshowsttlatlo、vcoherenceinterfbrometrycaIlalsObeusedtomeasu

5、rethedisperSionof、vaVelen舒h—selectivcrenectors，suchasfibcrBragg伊atingsneauthor’sworksarefollo、ving：1Tbfhrnlersttldieslo、vcoherenceinterferomenicmeasurementsoffiber伊atingdispersion；establishme嬲urcmemmodeIoffiber伊atingdisp

6、ersion，whichbasesonFourier仃ansfbHnspectroscopy；alsoaIlaIyzethemethodofdataprocessing2Todesigll鋤des詛blishmeasurementsystemof6bergratingdispersion；fixpar鋤etersofllardwaresystem；improve銜ngevisibilitybyusingapolarizationconn

7、DlleraIldaIlopticalnlter；discussphaseunwrappinga11dnumericaldifI’cremiationissueduringdalaprocessing3T0executeactualexperimentSandanalyzeexp州mentalresults，whichcoIlll咖edthattllesystemisfeasibleAlso，ttlesystemhassomeadval

8、ltages，蹦chassimples們∞tureandshonmeas嘣ngtimeARerallthe辯aboVe，theworkcompletedbytheauthorissummedupandtheproblemswIlichrcquire如rthcrstudiesarediscllssedKeyWords：fiberBragg鏟ating；lowcoherenceinter衙ome姆；dispersion；measuremen