【英文标准名称】:OpticalfibresPart1-41:Measurementmethodsandtestprocedures-Bandwidth
【原文标准名称】:光学纤维.测量方法和试验规程.频带宽度
【标准号】:BSEN60793-1-41-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2004-01-15
【实施或试行日期】:2004-01-15
【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】:特性;测量技术;试验;测量;电气工程;频带宽度;纤维光学;尺寸;光波导
【英文主题词】:Bandwidths;Definition;Definitions;Dimensions;Electricalengineering;Fibreoptics;Frequencies;Frequencyranges;Measurement;Measuringtechniques;Momentum;Multimodefibres;Opticalmeasurement;Opticalwaveguides;Properties;Pulsedistortion;Testing
【摘要】:ThispartofIEC60793describestwomethodsfordeterminingandmeasuringthemodalbandwidthofmulti-modeopticalfibres(seeIEC60793-2-10,IEC60793-2-30andIEC60793-2-40).Thebasebandfrequencyresponseisdirectlymeasuredinthefrequencydomainbydeterminingthefibreresponsetoasinusoidallymodulatedlightsource.Thebasebandresponsecanalsobemeasuredbyobservingthebroadeningofanarrowpulseoflight.Thetwomethodsarethefollowing:MethodA-Opticaltimedomainmeasurementmethod(pulsedistortion)MethodB-FrequencydomainmeasurementmethodEachmethodcanbeperformedusingoneoftwolaunches:anoverfilledlaunch(OFL)conditionorarestrictedmodelaunch(RML)condition.NOTEThesetestmethodsarecommonlyusedinproductionandresearchfacilitiesandarenoteasilyaccomplishedinthefield.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:30P.;A4
【正文语种】:英语