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简介：

简介：在这份报纸，我们在场波长看情况为可见轻通讯(VLC)为室内的multisource隧道推动反应建模的跟踪光线的算法。我们比较multisource和unisource隧道之间的multipath损失差别。当VLC从380nm保持一个宽系列到780nm，我们也分析延期散布了的根平均数平方(RMS)和三典型波长的平均时间延期，光谱墙的反射是波长依赖者。并且结果证明蓝色点亮射出二极管(带)与塑料墙在这个房间里比另外的波长拥有更大的通讯带宽。另外，三不同波长的路径损失被比较。

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简介：Themechanismofγ-rayradiationinducedabsorptionlossoftheopticalfiberinvisiblerangeisanalyzed.Accordingtothemechanism,thequantitativerelationbetweenlossinopticalfiberandγ-raycumulationdoseisfoundbyuseofmethodsofsolidphysicsandstatisticphysics.Thisquantitatierelationiscertifiedintermsoftheresultsofradiationexperiment.

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简介：

简介：一种荧光眼纤维的温度计基于红宝石和吸收玻璃样品被设计。眼--纤维温度测量探查基于红宝石被开发。这个系统对在0℃to的范围的温度测量特别地能适应130℃。更加改进的表演在这台新设备被看见。到带的罐头的驱动电流容易通过控制电路在要求的定义界限以内被保留。

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简介：Visibleimageryisextremelyusefultooverviewtheedgeanddivertorstructure.Theplasmaconfigurationandthepositionofthestrikelinesonthetargetplatescanbealsoobservedbyimagingtechnique.Byimagingtheedgeorcoreplasmawithvisibleemissioninthedesiredwavelengthband,usuallywitha“tangential”view,theplasmapositioncanbedeterminedinprinciple.

简介：Wepresentaninexpensivetechniquetoobtainathree-dimensional(3D)millimeterwave(MMW)andterahertz(THz)imageusingupconversion.InthisworkwedescribeanddemonstrateamethodforupconversionofMMW/THzradiationtothevisualbandusingaveryinexpensiveminiatureglowdischargedetector(GDD)andasiliconphotodetector.WepresentMMW/THzupconversionimagesbasedonmeasuringthevisuallightemittingfromtheGDDratherthanitselectricalcurrent.Theresultsshowbetterresponsetimeandbettersensitivitycomparedtotheelectronicdetectionperformedpreviously.Furthermore,inthisworkweperformfrequencymodulationcontinuouswave(FMCW)radardetectionbasedonthismethodusingaGDDlamp,withaphotodetectortomeasureGDDlightemission.ByusingFMCWdetection,therangeinadditiontotheintensityateachpixelcanbeobtained,thusyieldingthe3Dimage.TheGDDactsasaheterodynemixernotonlyelectronicallybutalsooptically.Thesuggested3DupconversiontechniqueusingtheGDDissimpleandinexpensiveandhasbetterperformancecomparedtootherMMW/THzimagingsystemssuggestedintheliterature.Thismethodprovidesminimumdetectablesignalpowerthatisabout6ordersofmagnitudebetterthansimilarplasmasystemsduetotheverylargeinternalsignalgainderivingfromthemuchsmallerelectrodeseparationandresultinginmuchhigherplasmaelectricfield.

简介：Tostudytheroom-temperaturestabledefectsinducedbyelectronirradiation,commercialborosilicateglasseswereirradiatedby1.2MeVelectronsandthenultraviolet(UV)opticalabsorption(OA)spectraweremeasured.Twocharacteristicbandswererevealedbeforeirradiation,andtheywereattributedtosilicondanglingbond(E’-center)andFe3+species,respectively.TheexistenceofFe3+wasconfirmedbyelectronparamagneticresonance(EPR)measurements.Afterirradiation,theabsorptionspectrarevealedirradiation-inducedchanges,whilethecontentofE’-centerdidnotchangeinthedeepultraviolet(DUV)region.TheslightlyreducedOAspectraat4.9eVwassupposedtotransformFe3+speciestoFe2+speciesandthistransformationleadstotheappearanceof4.3eVOAband.Bycalculatingintensityvariation,thetransformationofFewasestimatedtobeabout5%andtheopticalabsorptioncrosssectionofFe2+speciesiscalculatedtobe2.2timeslargerthanthatofFe3+species.Peroxylinkage(POL,≡Si–O–O–Si≡),whichresultsina3.7eVOAband,isspeculatednottobefromSi–ObondbreakbutfromSi–O–Bbond,Si–O–Albond,orSi–O–Nabondbreak.Theco-presencedefectwithPOLisprobablyresponsiblefor2.9-eVOAband.

简介：ZnO/diamond-like碳(DLC)薄电影被搏动的激光免职(PLD)在Si(111)上扔晶片。可见房间温度光致发光(PL)被荧光分光光度计从ZnO/DLC薄电影观察。PL系列的Gaussian曲线试穿表明可见排放包含的宽带有=508nm，554nm和698nm的三个部件。起源和可见PL的可能的机制被讨论，并且他们能被归因于ZnO和DLC薄电影的PL再结合。

简介：一个答案阶段方法准备的ZnOnanorods在氧在不同温度被退火周围。样品的光性质被调查。处于一样的刺激条件，所有样品的光致发光(PL)系列出现一紫外(紫外)排放和一个宽广强壮的可见排放乐队。退火的样品的不对称的可见排放乐队有一象从200牤畯?潳楤浵猠汵桰瑡?敷敲愠摤摥琠?桴?慷整?慳灭敬※湡漠敶?整灭牥牰?牰增加的退火的温度红移动吗？？

简介：Theexfoliationdegreeofgraphiteoxideintographeneoxideplaysanimportantroleinthemassiveproductionmethodofreducedgrapheneoxide.Itissignificanttofindasimpleandfeasiblemethodtoanalyzetheexfoliationdegreeofgraphiteoxide.Inthepresentwork,graphiteoxidewassynthesizedbyamodifiedHummersmethod,andthengrapheneoxidecolloidswereobtainedbyexfoliationofgraphiteoxidedispersedinde-ionizedwater.UV-visiblespectroscopywasusedtocharacterizetheabsorptionofthegrapheneoxidecolloids,andtheconcentrationofgrapheneoxidecolloidsindicatedbyabsorptionareaofUV-visiblespectrawasstudied.Resultsshowthatthereisarelativelystablerelationshipbetweenthem,indicatingthatUVvisiblespectroscopyisapotentialmethodforanalyzingtheexfoliationdegreeofgraphiteoxideintographeneoxide.

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简介：由介绍直角的频率部门multiplexing(OFDM)技术，用5的一个可见轻通讯(VLC)系统

简介：生一个anthraquinoneimide(AQI)组的基于胆固醇的organogelator被综合并且描绘。它进chiral自我装配在在低集中的acetonitrile的胶化，它显示了electrochromic和chiroptical性质的联合。在在700mV的电气化学的减小之上，胶化在相应于的约820nm展出了新吸收乐队**(SOMOLUMO)在一样AQI和强壮的否定棉花效果的激进的阴离子转移光谱区域。与在1000mV的进一步的减小，有在到800nm的从500nm的范围的否定棉花效果的一个新CD乐队出现了有吸收光谱的变化的伴随物。因此，与是的electrochromicAQI色基的使用一个开关应答的单位和复合的N-的稳定的胶化[3-cholest-5-en-3-ylN-(2-aminoethyl)氨基甲酸酯]是的anthraquinone-2,3-dicarboxylicimidechiral脚手架，在可见、在红外线附近的区域操作的一个被触发氧化还原作用的chiroptical开关被认识到。

简介：Weproduced5-μJ,6.5-fsvisiblepulsesatarepetitionrateof1kHzusingfilamentationinagascellfilledwithkryptonfollowedbyspectralselectionandphasecompensationbyacombinationofdielectricmirrors.Thevisiblepulseshaveasmoothspectrumfrom520to650nmwithashot-to-shotstabilityineachspectralcomponentofbetterthan2%(standarddeviation).Thispulsecompressionschemeissimpleandrobust,andcanbeeasilyintegratedintointenseultrashort-pulselasersystems.