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Al┐OpticalBypas┐ExchangeSwitchesYUNZhishengLIYulinLIUJifangXUXuemei+)LIUMuxing+)(XianInstituteofOptics&PrecisionMechanics,C... 相似文献
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SUN Xianping WANG Shenglie ZENG Xizhi 《Chinese Journal of Lasers》2001,10(1):47-50
Introduction Bythemethodoflaseropticalpumpingspin exchange ,theNMRsignalfrom 1 2 9Xegascanbegreatlyenhanced[1 ] .Theobservedratioofsignaltonoiseisbetterthan 10 0 .Theamplificationfactorofthenuclearspinpolarizationoflaser polarized 1 2 9Xeis 10 4bycomparisonwiththeB… 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 INTRODUCTIONMetal ionelectrostaticinterationsarenumerousinchemicalsystemsandhavebeenstudiedextensively[1~ 15] .Specifically ,metal c 相似文献
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1 Introduction TheconventionalMach Zehnderinterferometerisanimportantdiagnostictool.Frequentlyusedinthefieldsofplasmaphysics,aerodynamics,andheattransferformeasuringdensity ,pressure ,andtemperaturechangesingases.Becauseofitsrelativelylargeandfreelyacces… 相似文献
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1 Introduction Theultrafastpulsescanningnear fieldopticalmicroscopyandtemporalresolutionnear fieldspectraltechnique,whichdevelopedfromthecombinationofscanningnear fieldopticalmicroscopy (SNOM )andtheultrafastpulse,haveattractedgreatinterest[1~ 3] .Thesetech… 相似文献
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1 Introduction FRT(FractionalFourierTransform )wasfirstlyintroducedbyNamiasin 1 980asamathematictoolinquantummechanics[1] .In1 993,MendlovicandOzaktasimplementedtheFRTatopticalfieldwhentheystudiedgradientindex (GRIN )fiber[2 ] andappliedthepuremathematicformulatio… 相似文献
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Single-ModeCW532nmOutputof1.3WbyInternalFrequencyDoublingwithTi:MgO:LiNbO_3¥LIJian;WULing-An(InstituteofPhysics,AcademiaSinic?.. 相似文献
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LIZun-ying SONGYi-zhong 《原子与分子物理学报》2001,18(3):265-268,272
1 INTROEXPERIMENTExperimentalsetupwasshowninFig .1,exhaustivedescriptionsonthesetupandtheprocessofacquiringdatahasalready giveninrelativedocument[1] ,nowwedoexcessivedescriptionnolonger .2 RESULTANDDISCUSSIONResult:earlierspectraoftheplasmaradiatingwereshow… 相似文献
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WANG Xiao guang 《原子与分子物理学报》2000,17(3)
1 INTRODUCTIONThecavityquantumelectrodynamics(CQED)effectsintheinteractionofatomwithcavityfieldareprimarilybasedonthestandardJaynes Cummingsmodel(JCM ) [1,2 ] .Thismodeldescribesanatomatrestinteractingwithaconstantelectricfieldwithouttakingintoaccountthemode… 相似文献
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YAN Minhui CHEN Jianping LI Jianlang JINAG Wenning CHEN Junfeng LI Xin 《Chinese Journal of Lasers》2002,11(3):219-222
1 Introduction GrowingcommunicationtrafficdemandsmorewavelengthstobeusedinopticalDWDM(densewavelengthdivisionmultiplexing )systemsandnetworks.OpticalfiberRamanamplifierwithitswideamplificationbandwidthandflexiblecenterwavelengthisthepromisingcandidate[… 相似文献
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A Novel OADM Based on Fiber Gratings 总被引:1,自引:0,他引:1
TAO Zhenning WU Deming ZHANG Jie 《Chinese Journal of Lasers》2000,9(4):325-329
1 Introduction Opticaladd/dropmultiplexer (OADM)isthekeycomponentofopticaltransportnetworks(OTN) .ManyOADMarchitectureshavebeenreported ,suchasthosebasedonwavelengthmultiplexers,arrayedwaveguidgratings(AWG ) ,acousto optictunablefilters (AOTF) ,fiberBragg grati… 相似文献
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1 Introduction Opticalfastfrequency hopingcode divisionmultiple accesssystems (FFHOCDMA)haverecentlybeen proposedasacandidateforopticallocalareanetworks(LANs) [1,2 ] .Inthisscheme ,FBGsarecodingdevices,whichslicethespectrumoftheincoming pulsetoreflect .Theoutpu… 相似文献
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1 INTRODUCTIONItwasoftenencounteredthationizationofambient gasshouldoccurredwhena plasmawasproducedwithlaserablatingatarget .Manya 相似文献
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A Study on Uptake and Localization of Merocyanine 540 (MC540) in Murine Myeloid Leukemia Cells by Confocal Laser Scanning Microscopy (CLSM) 总被引:1,自引:0,他引:1
J. Y. Chen- N. H. Cheung- S. C. Chen- M. C. Fung- W. N. Leung- N. K. Mak- 《Chinese Journal of Lasers》2000,9(3):226-232
1 Introduction Merocyanine540(MC540),anamphipathicdyethatpreferentiallybindstoleukemiacell,envelopedvirusandcertainvirusinfectedcells[1~3].MC540mediatesthephotodynamickillingofleukemiacells,whereasnormalbonemarrowandbloodcellsarelargelyspared.Ithasbeenusedpre… 相似文献
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FENG Dejun KAI Guiyun ZHANG Weigang HUANG Yonglin LIU Zhiguo DONG Xiaoyi 《Chinese Journal of Lasers》2002,11(1):57-60
1 Introduction Theopticaladd dropmultiplexer(OADM )isexpectedtoplayanimportantroleinfuturewavelengthdivisionmultiplexed(WDM )ringnetwork .Uptonow ,afewschemesofOADMbasedonwavelengthgratingrouter,opticalswitches,arrayedgratingwaveguideandfiberBragg gratings(… 相似文献
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LU Keqing ZHANG Yanpeng TANG Tiantong HOU Xun WU Hongcai Department of Electronic Science Technolog Xi’an Jiaotong University Xi’an China Department of Applied Physics Xidian Un 《Chinese Journal of Lasers》2001,10(3):223-227
1 Introduction Steady statephotorefractive (PR)spatialsolitons[1~ 3] havebeeninvestigatedextensivelyinthepastfewyears.Atpresentthesearetwodifferentkindsofsteady statePRsolitons :screening[1 ,2 ] solitonsandphotovoltaic (PV) [3]solitons.Morerecently ,wehaveshowntheo… 相似文献
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1 Introduction Yb3 dopedfibershavesimpleenergylevelstructure.Theirspecificadvantageshavegraduallybeenfoundsincetheinventionofexcellentpumpsources,e .g.,thehighpowerInGaAslaserdiodes.Whiletheyhavebeenusedmainlyinlasers[1~ 8] soFig.1Absorptionandemissioncross… 相似文献