简介:Awhole-field3Dsurfacemeasurementsystemforsemiconductorwaferinspectionisdescribed.Thesystemconsistsofanopticalfiberplate,whichcansplitthelightbeamintoN2subbeamstorealizethewhole-fieldinspection.Aspecialprismisusedtoseparatetheilluminationlightandsignallight.Thissetupischaracterizedbyhighprecision,highspeedandsimplestructure.
简介:Parameterquantificationprincipleofthree-dimensional(3-D)fluorescentspectrumanditsrealizationtechniquearestudied.Thepotablefiberopticfluorescentmeasurerformineraloilisgiven.Threeparametersoftheexcitinglightwavelength.theeavelengthandtheintensityofthefluorescentlightexcitedbythemeasuredoilareexpressedwith3-Dcoordinatesandareprocessedsoastobesampledagainandtobecurvefitted.
简介:在里面三维(3D)轮廓测量,阶段移动profilometry(PSP)方法是广泛地使用的大多数一个。然而,因为多重设计,PSP的测量速度是很低的。以便改进测量速度,颜色栅栏条纹在这份报纸被用于测量。在测量期间,一仅仅颜色正弦曲线穗在测量目标上被投射。因此,测量速度极大地被改进。自从正在联合或在邻近的颜色栅栏条纹之间的干扰现象,一个颜色修正方法被用来改进测量结果。在修正在修正前比那好以后,为改正测量系统的非线性的错误的一个方法在这份报纸,和获得的图象的正弦曲线性质被建议。试验性的结果证明与这些修正方法,测量错误能被减少。因此,它能为高精确的3D重建支持一个好基础。
简介:Thesurfaceandinterfaceelectronicstatesoftris-(8-hydroxyquinoline)aluminum(Alq3)/indium-tinoxide(ITO)weremeasuredandanalyzedbyX-rayphotoelectronspectroscopy(XPS).Theresultsindicatedthat,inAlq3molecule,thebindingenergy(Eb)ofAlatomsis70.7eVand75.1eV,correspondingtoAl(O)andAl(Ⅲ),respectively;ThebindingenergyofCis285.8eV,286.3eV,and286.8eV,correspondingtoCofC-Cgroup,C-O,andC-Nbond,respectively.Nisthemainpeaklocatingat401.0eV,correspondingtoNatomofC-N=C.OatomsmainlybondtoHatom,withthebindingenergyof533.2eV.AsthesputteringtimeofAr+ionbeamincreases,Al2p,C1s,N1s,O1s,In3d5/2andSn3d5/2peaksslightlyshifttowardslowerbindingenergy,andAl2p,C1sandN1speaksgetweaker,whichcontributestodiffusingtheoxygen,indiumandtininITOintoAlq3layer.
简介:Inordertoobtainthethreedimensional(3D)fluorescencespectradirectlyandrapidlybyinsituandinvivophytoplanktonmonitoring,aprototypeoceanlidarsystemwiththeabilityofmeasuring3Dfluorescencespectraisdeveloped,inwhichanopticalparametricoscillator(OPO)andagratingspectrometerareemployed.Usingthesystem,the3Dfluorescencespectraoffivetypicalred-tidespeciesintheEastChinaSeaaremeasuredinlab.Thepreliminaryexperimentalresultsshowthefeasibilityofmonitoringandclassifyingphytoplanktonbythisoceanlidar.