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简介：市场过去对大规模WDN系统的偏爱现在转向了100G，2013年上半年40G网络的部署已经开始降温，100G获得了越来越多的认可，成为最主要的技术趋势。2013年第二季度，100G的销售额就已经超过了40G，Ovum预计2012～2018年间，100G都会稳居领先地位。

简介：利用同步辐射对天然金刚石晶体进行了形貌学研究，在近完事晶体内观察到晶体以平行{100}生长为主的正常生长，而不是前人所常见的平行{111}生长。生长带方向平行于（100）、（100）和（010）、（010）。生长带分布在偏离晶体中心的曲面内。由生长带的分布与形态可以观察到晶体不同晶面的生长速度具有明显差异。

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简介：Ｇｒｏｕｎｄ－ｓｔａｔｅＰｒｏｐｅｒｔｉｅｓｏｆＤｏｕｂｌｙ－ｍａｇｉｃＮｕｃｌｅｕｓ１００Ｓｎ￥ＷｅｎＷａｎｘｉｎ；ＪｉｎＧｅｎｍｉｎｇａｎｄＺｈｏｎｇＪｉｑｕａｎＴｈｅｄｏｕｂｌｙ－ｍａｇｉｃｎｕｃｌｅｉ１００Ｓｎｗａｓｐｒｏｄｕ?..

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简介：Co(II)-salenwasencapsulatedinMIL-100(Cr)metalorganicframeworkby"shipinabottle"tosynthesizeanewelectrocatalyst,Cosalen@MIL-100(Cr).ThematerialwascharacterizedbyXRD,FT-IR,UV-VisandN2-adsorption.TheCosalen@MIL-100(Cr)modifiedglassycarbonelectrodeexhibitsawell-definedreductionpeakatthepotentialof–0.21Vtowardtheoxygenreductionreaction(ORR)bycyclicvoltammetry(CV)inpH=6.84phosphatebuffer.Almost400mVpositiveshiftofpotentialatCosalen@MIL-100(Cr)modifiedelectrodeforORRcomparedwiththatatbareglassycarbon,indicatesthatCosalen@MIL-100(Cr)possessesexcellentelectrocatalyticactivity.ThetransferrednumberofelectronsforORRwasdeterminedbychronocoulometry.TheresultsuggeststhattheintroductionofCo(II)-salencomplexintoMOFincreasestheelectrocatalyticactivityviaafour-electronreductionpathway.Furthermore,thiselectrocatalystexhibitsgoodstabilityandreproducibility.

简介：Theadsorptionandelectronicpropertiesofisolatedcobaltphthalocyanine(CoPc)moleculeonanultrathinlayerofNaClhavebeeninvestigated.High-resolutionSTMimagesgiveadetailedpictureofthelowestunoccupiedmolecularorbital(LUMO)ofanisolatedCoPc.ItisshownthattheNaClultrathinlayerefficientlydecouplestheinteractionofthemoleculesfromtheunderneathmetalsubstrate,whichmakesitanidealsubstrateforstudyingthepropertiesofsinglemolecules.Moreover,strongdependenceoftheappearanceofthemoleculesonthesamplebiasintheregionofrelativelyhighbias(>3.1V)isascribedtotheimagepotentialstates(IPSs)ofNaCl/Cu(100),whichmayprovideuswithapossiblemethodtofabricatequantumstoragedevices.

简介：为获得kA级热发射电子束，研制了直径为由100mm钪酸盐热阴极组件，建立了适应大面积热阴极实验环境的试验平台。实验在二极管真空3．7×10^-5Pa，二极管电压1．95MV，阴极温度1120℃时，获得最大收集电流1038A，发射电流密度约13A／cm^2。

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简介：HeteroepitaxialLaAlO3filmsweregrownonaSrTiO3/Si(100)substratebylasermolecularbeamepitaxyunderdifferentoxygenpressures,andtheirpropertiessuchascrystallinityandelectricalcharacteristicswereexperimentallyinvestigatedusingthevariousmeasurementmethods.Theresultsshowthatmostpropertiesdependmainlyonthedepositionoxygenpressure.ThecrystallinityandtheC-VandI-Vcharacteristicscanbegreatlyimprovedwiththeincreasingoxygendepositionpressure.Moreover,afterannealedat1050~CinN2ambient,theC-VandI-VcharacteristicsofLAOfilmsdepositedattheloweroxygenpressurearealsoimprovedduetothedecreaseofoxygenvacanciesinLAOfilms.

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简介：阐明physisorbed的效果几何学和hydrogenated钻石电影的电子结构上的活跃离子，HCO3-的模型，H3O+,并且哦hydrogenated钻石(100)上的离子physisorbed出现被构造。密度功能的理论被用来计算状态的几何学，吸附精力，和部分密度。结果证明表面都在离子吸附以后改变了到不同的度的hydrogenated钻石(100)的几何学。在他们之中，H3影响的O+离子hydrogenated钻石(100)的几何学出现大多数。这与计算吸附精力的结果很好一致，它显示一个强壮的静电的吸引力发生在hydrogenated钻石(100)之间表面和H3O+离子。另外，电子从hydrogenated钻石(100)显著地转表面到吸附的H3O+离子，它导致一向下变在H3O+离子。然而，为活跃离子喜欢哦和HCO3-，没有戏剧的变化为吸附的离子的电子结构出现。

简介：Inthispaperwereviewthedesignanddevelopmentofa100J,10Hznanosecondpulsedlaser,codenamedDiPOLE100X,beingbuiltattheCentralLaserFacility(CLF).This1kWaveragepowerdiode-pumpedsolid-statelaser(DPSSL)isbasedonamasteroscillatorpoweramplifier(MOPA)design,whichincludestwocryogenicgascooledamplifierstagesbasedonDiPOLEmulti-slabceramicYb:YAGamplifiertechnologydevelopedattheCLF.Thelaserwillproducepulsesbetween2and15nsindurationwithprecise,arbitrarilyselectableshapes,atpulserepetitionratesupto10Hz,allowingreal-timeshapeoptimizationforcompressionexperiments.Oncecompleted,thelaserwillbedeliveredtotheEuropeanX-rayFreeElectronLaser(XFEL)facilityinGermanyasaUK-fundedcontributioninkind,whereitwillbeusedtostudyextremestatesofmatterattheHighEnergyDensity(HED)instrument.

简介：TheBrenner-LJpotentialisadoptedtodescribetheinteractionbetweenC36clustersanddiamondsurface,andthedepositionmechanismofmulti-C36clustersonthediamondsurfaceisalsostudiedbyusingthemethodofmoleculardynamicssimulation.Thesimulationresultsshowthatthecompetitioneffectsoftwointeractions,i.e.theinteractionbetweenclusterandclusterandtheinteractionbetweenclusterandcrystalplane,arestudied,andthentheinfluenceofthesecompetitioneffectsonC36clusterdepositionisanalysed.Thefindingisthatwhenanincidentenergyisappropriatelychosen,C36clusterscanbechemicallyadsorbedanddepositedsteadilyonthediamondsurfaceintheformofsingle-layer,andinthedepositionprocessthemulti-C36clusterspresentaphenomenonofenergytransmission.Theexperimentalresultshowsthatatatemperatureof300K,inordertodepositC36clustersintoasteadynano-structuredsingle-layeredfilm,theoptimalincidentenergyisbetween10and18eV,iftheincidentenergyislargerthan18eV,theC36clusterswillbedepositedintoanislandnano-structuredfilm.

简介：ThelocalstructuresoftheimmiscibleFe100-xCuxalloys(x=0,10,20,40,60,80and100)producedbymechanicalalloyinghavebeeninvestigatedbyXAFS.FortheFe100-xCux(x≥40)solidsolutions,thelocalstructuresaroundFeatomschangefrombccstructuretofcconeandtheCuatomsmaintaintheoriginalcoordinationgeometryaftermillingfor160hours.Onthecontrary,thelocalstructuresaroundCuatomsinbothofFe80Cu20andFe90Cu10alloysappearatransitionfromfcctobccstructure.WefoundthattheDebye-wallerfactorσoffccFe-CuphaseislargerthanthatofbccF-Cuphase,andtheσ(0.099A°)aroundFeatomsislargerthanthat(0.089A°)ofCuintheFe100-xCux(x≥40)solidsolutions,ThissuggeststhatthemechanicallyalloyedFe100-xCuxsupersaturatedsolidsolutionisnotahomogeneousalloy,andconsistsofFe-richandCu-richregionsforvariouscompositions.Apossiblemechanismforbcc-to-fccandfcc-to-bccchangesinFe100-xCuxsolidsolutionsisdiscussedinrelationtotheinterdiffusionandtransitioninducedbytheballmilling.

简介：Twotransmissioncurvedcrystalspectrometersaredesignedtomeasurethehardx-rayemissioninthelaserfusionexperimentofComptonradiographyofimplosiontargetonShenGuang-IIIlaserfacilityinChina.Cylindricallycurvedα-quartz(10–11)crystalswithcurvatureradiiof150and300mmareusedtocoverspectralrangesof10–56and17–100keV,respectively.Thedistancebetweenthecrystalandthex-raysourcecanbechangedoverabroaddistancefrom200to1500mm.Theopticaldesign,includingtheintegralreflectivityofthecurvedcrystal,thesensitivity,andthespectralresolutionofthespectrometers,isdiscussed.WealsoprovidemechanicdesigndetailsandexperimentalresultsusingaMoanodex-raysource.High-qualityspectrawereobtained.Weconfirmedthatthespectralresolutioncanbeimprovedbyincreasingtheworkingdistance,whichisthedistancebetweentherecordingmediumandtheRowlandcircle.

简介：Ovum近期发布了一篇2012至2018年光网络市场报告，Ovum网络基础设施首席分析师IanRedpath在报告中预计，到2018年，光网络市场规模将超过175亿美元，2012年起光网络复合年均增长率达到3．1％。

简介：Wepresentanovelandsimplemethodtoobtainanultrawidefreespectralrange(FSR)siliconringresonatortogetherwithatuningrangecoveringtheentirespectrumfrom1500to1600nm.AringresonatorwithalargeFSRtogetherwithahighQfactor,hightuningefficiency,andlowfabricationcostandcomplexityisdesiredformanyapplications.Inthispaper,weintroduceanovelwaytomakesucharingresonator,whichtakesadvantageofthewell-knownresonance-splittingphenomenon.ItisasingleringresonatorwithanFSRofmorethan150nmaround1550nmandwhichhasaneasythermo-optictunabilitythatcanproduceatuningrangearound90nmorevenmore.Moreover,thedeviceissimpletoimplementandcanbefabricatedinstandardcomplementarymetal-oxidesemiconductortechnologywithoutrequiringanykindofcomplicatedprocessingorextramaterials.Thepotentialapplicationsincludesinglemodelasercavities,wavelengthdivisionmultiplexingfilters,(de)multiplexers,opticalsensors,andintegratedreflectors.

简介：Wereportgenerationofsub-100fspulsestunablefrom1700to2100nmviaRamansolitonself-frequencyshift.Thenonlinearshiftoccursinahighlynonlinearfiber,whichispumpedbyanEr-dopedfiberlaser.Thewholesystemisfullyfiberized,withouttheuseofanyfree-spaceoptics.Thankstoitsexceptionalsimplicity,thesetupcanbeconsideredasanalternativetomode-lockedTm-andHo-dopedfiberlasers.