EN 165000-1-1996 薄膜和混合集成电路.第1部分:总规范.能力批准程序
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【英文标准名称】:Filmandhybridintegratedcircuits-Part1:Genericspecification-Capabilityapprovalprocedure;GermanversionEN165000-1:1996
【原文标准名称】:薄膜和混合集成电路.第1部分:总规范.能力批准程序
【标准号】:EN165000-1-1996
【标准状态】:现行
【国别】:
【发布日期】:1996-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:混合薄膜集成电路;薄膜电路;集成电路;能力鉴定;规范;总规范;电子设备及元件;电气工程
【英文主题词】:Capabilityapproval;Electricalengineering;Electronicequipmentandcomponents;Filmcircuits;Genericspecification;Hybridfilmintegratedcircuits;Integratedcircuits;Specification
【摘要】:
【中国标准分类号】:L56
【国际标准分类号】:31_200
【页数】:58P.;A4
【正文语种】:英语
【英文标准名称】:Opticalfibreamplifiers-Basicspecification-Polarizationmodedispersion-Jonesmatrixeigenanalysismethod(JME)
【原文标准名称】:光学放大器.基本规范.偏振模式色散.琼斯矩阵特征分析法(JME)
【标准号】:BSEN61290-11-1-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-05-23
【实施或试行日期】:2003-05-23
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Amplifiers;Analysis;Basicspecification;Dispersion;Electricalengineering;Fibreoptics;Fibres;Matrices;Multilingual;Opticaldevices;Opticalwaveguides;Optics;Parameters;Photoelasticmethods;Polarizationmodedispersion;Polarization(wavephysics);Semiconductors;Specification
【摘要】:ThispartofIEC61290appliestoallcommerciallyavailableopticalamplifiers(OAs)includingopticalfibreamplifiers(OFAs)usingactivefibresandsemiconductoropticalamplifiers(SOAs)usingsemiconductorgainmedia.Polarization-modedispersion(PMD)causesanopticalpulsetospreadinthetimedomain.Thisdispersioncouldimpairtheperformanceofatelecommunicationssystem.Theeffectcanberelatedtodifferentialgroupvelocityandcorrespondingarrivaltimesofdifferentpolarizationcomponentsofthesignal.Foranarrowbandsource,theeffectcanberelatedtoadifferentialgroupdelay(DGD)betweenpairsoforthogonallypolarizedprincipalstatesofpolarization(PSP).ThistestmethoddescribesaprocedureformeasuringthePMDofOAs.ThemeasurementresultisobtainedfromthemeasurementofthenormalizedStokesparametersattwocloselyspacedwavelengths.Thetestmethoddescribedhereinrequiresapolarizedsignalattheinputofthepolarimeterwithadegreeofpolarization(DOP)ofatleast25%.Althoughthetestsourceishighlypolarized,theDOPattheoutputoftheOAisreducedbyamplifiedspontaneousemission(ASE).AnnexBanalysestheimpactofASEontheDOP.Inordertoassureanaccuratemeasurement,theDOPismeasuredaspartofthemeasurementprocedure.Themethoddescribedhereinhasbeenshowntobeimmunetopolarization-dependentgain(PDG)andpolarizationdependentloss(PDL)uptoapproximately1dB.AlthoughtheJonesmatrixeigenanalysis(JME)testmethodisinprinciplealsoapplicabletounpumped(thatis,unpowered)OAs,theJMEtechniqueinthisstandardappliestopumped(thatis,powered)OAsonly.
【中国标准分类号】:N33
【国际标准分类号】:33_180_30
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:Microscopes-Screwthreadsforobjectivesandrelatednosepieces
【原文标准名称】:显微镜.物镜及物镜座螺纹
【标准号】:ISO8038-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-04-15
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC172
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸规格;透镜;显微镜;光学设备;光学;螺纹;滚丝
【英文主题词】:Dimensions;Lenses;Microscopes;Opticalequipment;Optics;Screwthreads;Threads
【摘要】:ThisInternationalStandardspecifiesthedimensionsofscrewthreadtypesforconnectingamicroscopeobjectivetothenosepiece.NOTE1Theuseofthesescrewthreadtypesisrecommendedformicroscopesunlessotherfittingsarerequiredforopticalordesignreasons.NOTE2Aspecificcombinationofeyepiece,objectiveandtubelens(ifprovided,e.g.inaninfinity-correctedopticalsystem)isfrequentlyusedtocorrectaberrations.Thereforethecombinationofanobjectivefromonemanufacturerandthetubelensoreyepiecefromanothermanufacturer,althoughconformingtothisInternationalStandard,maycauseerrorinmagnificationand/orlossofimagequality.
【中国标准分类号】:N32
【国际标准分类号】:37_020
【页数】:10P.;A4
【正文语种】:英语
