共查询到20条相似文献,搜索用时 15 毫秒
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1 Introduction Duetothefeatureoflargethird ordernonlinearsusceptibility ,lowpowerthresholdandfastresponsetime ,thelowdimensionsemiconductormaterialshavepotentialapplicationsinthefieldofnonlinearopticaldevices,suchasopticalinformationstorageandopticalsw… 相似文献
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1 Introduction Thenegative groupdelaydispersion(GDD) providedbyapairofprismordoubleprismshasplayedanimportantroleinintracavity[1] orextracavity[2 ] dispersioncompensationforultra shortpulse generationduetoitsadvantages,suchaslowloss,easyalignmentandcompactne… 相似文献
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YAN Minhui CHEN Jianping 《Chinese Journal of Lasers》2002,11(1):34-38
1 Introduction SinceC .D .Poole proposedphenomenologicalapproachtoanalyzepolarizationmodedispersion (PMD) [1] ,manymodelsandcalculationsofPMDweredevelopedinRef.[2 ].However,mostofthemfocusedonthe pulsetransmissionofidealpulses,suchasconventionalGaussianpulse ,se… 相似文献
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AnalysesofthePropertiesofTunableFaradayAnomalousDispersionOpticalFilterat589nmAnalysesofthePropertiesofTunableFaradayAnomalou... 相似文献
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1 Introduction Generationofoptical pulseswithhighrepetitionrateisoneofthekeytechnologiesinthefutureultra highspeedopticalnetworks[1] .Itisalsousefulforgenerationofoptically fedmillimeterwaveinfiber radiotransmission[2~ 4] .Althoughthebandwidthofelectronican… 相似文献
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Dispersion Compensators Based on Overlaped Linearly Chirped Fiber Gratings for DWDM Systems 总被引:1,自引:0,他引:1
1 Introduction ThereisagreatdealofinterestinfiberBragggratingsduetotheirmanyimportantapplicationsinthefieldoftelecommunicationsandfibersensors .BecausefiberBragggratingsexhibitdispersionbothinreflection ,especiallywhenthe gratingischirped[1] ,andintransm… 相似文献
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1 Introduction High performance opticalswitchingtechnologiesarecurrentlyofenormousinterestforthecommunicationsindustry .Todatemanytechnologieshave producedhigh performancecharacteristics[1,2 ] .Therequirementforthesuccessfultechnologieswillbelowinsertionlo… 相似文献
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1 Introduction Anongoingchallengeintheopticalcommunicationsistomaximisethedatatransmissioncapacityofasinglefiber.TheintroductionofmultiplechannelsthroughDenseWavelengthDivisionMultiplexing(DWDM )systemshasgreatlyimprovedthiscapacity ,becauseofthesteady… 相似文献
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1IntroductionUsingdispersioncompensatingtechniquestoupgradetheexistingnondispersionshiftedfiber(NDSF)telecommunicationsystemi... 相似文献
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1 Introduction Theinfraredchargecoupleddevice(IRCCD )sensitivefrom 3to 5μmhasnumerousapplicationsinbothmilitaryandcivilindustries[1] .To getlargearrayIRCCD ,recenttrendsinIRCCDtechnologyaretoreduceboth pixelsizeandtheactivearea .Whereastheformerincreasesarra… 相似文献
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1 Introduction Thefiberdevicesbasedonfiberfusednullcouplerarerecentlyofgreatinterest.All fiberacousto opticswitch[1] ,tunableopticalfilter[2 ] ,opticaladd dropmultiplexer (OADM ) [3] andfiberpolarizer[4 ] havebeenreported .Foralltheseapplications ,nullcouplerwithlow… 相似文献
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1 Introduction Thesynthesisofcarbonnitridethinfilmshasbeenthesubjectofintensestudysincethetheoretical predication[1,2 ] andexperimentalrealization[3] of β C3N4thinfilms.Manyattemptshavebeenmadetosynthesizethismaterialby physicalandchemicalmethods ,suchasreact… 相似文献
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Heat Transfer Analysis on Laser-tissue Thermal Interaction Using Heterogeneous Model 总被引:1,自引:0,他引:1
LI Hejie ZHANG Xuexue LIU Jing 《Chinese Journal of Lasers》2002,11(3):233-238
1 Introduction Responsesofbiologicaltissuetolaserirradiationaretypicallyclassifiedasphotochemical,photomechanical,photothermaland photoablativeeffets[1] .Althoughthereare quiteafewimportantapplicationsusinglaser photochemicalandphotomechanicaleffects,them… 相似文献
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1 Introduction Forveryhighdatarates,intersatelliteopticalcommunications (IOC)holdapotentialperformanceedgeovermicrowave (RF )communicationsintermsofhigherdatarates,smallerantennasandlow probabilityofjammingandintercept[1] .WiththewidedevelopmentofIOCtechnol… 相似文献
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The Experimental Study on Wide band Tunable All-fiber Acousto-optic Filter Based on Null Coupler 总被引:1,自引:0,他引:1
1 Introduction InWDMopticalfibercommunicationandnetworkapplications,manyopticalcontrollabledevicesaredemanded ,suchaschannelgain/ powerequalizer,channelselector,opticalswitching ,andadd/dropmultiplexer,etc .Inmanycases,wavelengthtunabilityisneeded .Thebulkw… 相似文献
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1 Introduction Long periodfiber gratings (LPGs )recentlyattractedmuchattentionforuseinopticalsensingapplications[1,2 ] .Theyareusedassensingcomponentstomeasuretemperature ,strainandbendingoffiber .However ,minimizingthecrosstalkbetweendifferentmeasurands,espec… 相似文献
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Ni Guoquan Li Zhong Lei Anle Xu Zhizhan 《Chinese Journal of Lasers》2001,10(2):117-122
Duringthepastyearsarevolutionhasemergedtoproduceultrashortandextremelyhigh intensitylaser pulseswiththedevelopmentofthetechniqueofchirpedpulseamplification (CPA ) [1] .Concurrently ,theavailabilityoftheultrashortintense pulsesopensanewregimeofstrongfield mat… 相似文献
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ZHANG Xiqin XING Da 《Chinese Journal of Lasers》2001,10(5):373-377
1 Introduction Extractingusefulinformationaboutthedynamicalscatterersfromthetemporalfluctuationsofscatteringlightfieldhasbeenstudiedformanyyears.Thedevelopmentofdiffusing wavespectroscopy[1~ 3 ] (DWS)hasextendedthetraditionalapplicationsinsingle scatterin… 相似文献
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SolitonPropagationinOpticalFiberswithRandomPolarizationDispersion¥TANGXiongyan;YEPeida(DepartmentofRadioEngineering,BeijingUn... 相似文献