BS EN 61290-11-1-2008 光学放大器.试验方法.偏振模式分散度参数.琼斯矩阵特征分析法(JME)

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【英文标准名称】:Opticalamplifiers-Testmethods-Part11-1:Polarizationmodedispersionparameter-Jonesmatrixeigenanalysis(JME)
【原文标准名称】:光学放大器.试验方法.偏振模式分散度参数.琼斯矩阵特征分析法(JME)
【标准号】:BSEN61290-11-1-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-09-30
【实施或试行日期】:2008-09-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:放大器;分析;分散;频散;电气工程;纤维光学;纤维;琼斯;数学计算;矩阵;测量;测量技术;动量;光学装置;光波导;光学;参数;光弹法;偏振模式分散;偏振;半导体;电信;测试;波长
【英文主题词】:Amplifiers;Analysis;Dispersion;Dispersion(waves);Electricalengineering;Fibreoptics;Fibres;Jones;Mathematicalcalculations;Matrices;Measurement;Measuringtechniques;Momentum;Opticaldevices;Opticalwaveguides;Optics;Parameters;Photoelasticmethods;Polarizationmodedispersion;Polarization(wavephysics);Semiconductors;Telecommunications;Testing;Wavelengths
【摘要】:ThispartofIEC61290appliestoallcommerciallyavailableopticalamplifiers(OAs),includingopticalfibreamplifiers(OFAs)usingactivefibres,semiconductoropticalamplifiers(SOAs),andplanarwaveguideopticalamplifiers(PWOAs).Polarization-modedispersion(PMD)causesanopticalpulsetospreadinthetimedomain.Thisdispersioncouldimpairtheperformanceofatelecommunicationssystem.Theeffectcanberelatedtodifferentialgroupvelocityandcorrespondingarrivaltimesofdifferentpolarizationcomponentsofthesignal.Foranarrowbandsource,theeffectcanberelatedtoadifferentialgroupdelay(DGD)betweenpairsoforthogonallypolarizedprincipalstatesofpolarization(PSP).OtherinformationaboutPMDmaybefoundinIEC61282-9ingeneralandinIEC61292-5onOAsinparticular.ThistestmethoddescribesaprocedureformeasuringthePMDofOAs.ThemeasurementresultisobtainedfromthemeasurementofthenormalizedStokesparametersattwocloselyspacedwavelengths.Thetestmethoddescribedhereinrequiresapolarizedsignalattheinputofthepolarimeterwithadegreeofpolarization(DOP)ofatleast25%.Althoughthetestsourceishighlypolarized,theDOPattheoutputoftheOAisreducedbyamplifiedspontaneousemission(ASE).AnnexAanalysestheimpactofASEontheDOP.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】:M33
【国际标准分类号】:33_180_30
【页数】:16P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforNonresidualLiquidHouseholdInsecticidesAgainstFlyingInsects
【原文标准名称】:无残效液体家用飞虫杀虫剂的标准试验方法
【标准号】:ASTME652-1991(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E35.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Calibration--environmentalanalysisinstrumentation;Efficacy;Houseflyrearingtechnique;Insecticides;Liquidchemicals--agriculturalapplications;Nonresidualliquidhouseholdinsecticides
【摘要】:Thistestmethodprovidesasatisfactorymeansofdeterminingtherelativeefficacyofsprayformulationsagainsthouseflies(Muscadomestica,L).Testdataobtainedbythistestmethodmayalsobeadequatetosupportlabelclaimsfortheuseoftheproductagainstmosquitoes,gnats,flyingmoths,wasps,andcertainothersmallflyinginsects.Thistestmethodisnotdesignedtomeasuretheresidualactionofthesprayformulation.Asabiologicaltest,itissubjecttothevariationsthataccompanythereactionsoflivingorganisms.Itshouldbeemployedunderthesupervisionofpersonnelfamiliarwiththebiologicaltestingofinsecticides.1.1Thistestmethodcoversthedeterminationoftherelativeefficiencyofhouseholdandindustrial-use,contactinsecticidesdissolvedinbaseoils.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y44
【国际标准分类号】:71_100_99
【页数】:4P.;A4
【正文语种】:英语


Product Code:SAE AMS5627
Title:Steel, Corrosion and Heat-Resistant, Bars, Wire, Forgings, Tubing, and Rings, 17Cr (SAE 51430), Annealed
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant steel in the form of bars, wire, forgings, mechanical tubing, flash welded rings, and stock for forging or flash welded rings.