ASTM E1614-1994(2004) 用于远距离光纤光谱测定和宽带系统的硅基光纤和光缆电离辐射感应衰减测量程序的标准导则
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【英文标准名称】:StandardGuideforProcedureforMeasuringIonizingRadiation-InducedAttenuationinSilica-BasedOpticalFibersandCablesforUseinRemoteFiber-OpticSpectroscopyandBroadbandSystems
【原文标准名称】:用于远距离光纤光谱测定和宽带系统的硅基光纤和光缆电离辐射感应衰减测量程序的标准导则
【标准号】:ASTME1614-1994(2004)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:E13.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:电离辐射感应衰减测量;辐射感应衰减;硅基光纤;光谱的衰减;稳态电离辐射;非偏振光;分级指数硅基光纤;传输和反射;电离辐射;电缆;光;性能;光谱学;导则;放射性照射;宽带系统;剂量测定;衰减;光纤;多模光纤
【英文主题词】:broadband;opticalfibers;radiation-inducedattenuation;spectroscopy
【摘要】:Ionizingenvironmentswillaffecttheperformanceofopticalfibers/cablesbeingusedtotransmitspectroscopicinformationfromaremotelocation.Determinationofthetypeandmagnitudeofthespectralattenuationorinterferences,orboth,producedbytheionizingradiationinthefiberisnecessaryforevaluatingtheperformanceofanopticalfibersensorsystem.Theresultsofthetestcanbeutilizedasaselectioncriteriaforopticalfibersusedinopticalfiberspectroscopicsensorsystems.Note18212;Theattenuationofopticalfibersgenerallyincreaseswhenexposedtoionizingradiation.Thisisdueprimarilytothetrappingofradiolyticelectronsandholesatdefectsitesintheopticalmaterials,thatis,theformationofcolorcenters.Thedepopulationofthesecolorcentersbythermaland/oroptical(photobleaching)processes,orboth,causesrecovery,usuallyresultinginadecreaseinradiation-inducedattenuation.Recoveryoftheattenuationafterirradiationdependsonmanyvariables,includingthetemperatureofthetestsample,thecompositionofthesample,thespectrumandtypeofradiationemployed,thetotaldoseappliedtothetestsample,thelightlevelusedtomeasuretheattenuation,andtheoperatingspectrum.Undersomecontinuousconditions,recoveryisnevercomplete.1.1Thisguidecoversamethodformeasuringtherealtime,insituradiation-inducedspectralattenuationofmultimode,stepindex,silicaopticalfiberstransmittingunpolarizedlight.Thisprocedurespecificallyaddressessteady-stateionizingradiation(thatis,alpha,beta,gamma,protons,etc.)withappropriatechangesindosimetry,andshieldingconsiderations,dependingupontheirradiationsource.1.2Thistestprocedureisnotintendedtotestthebalanceoftheopticalandnon-opticalcomponentsofanopticalfiber-basedsystem,butmaybemodifiedtotestothercomponentsinacontinuousirradiationenvironment.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:用于远距离光纤光谱测定和宽带系统的硅基光纤和光缆电离辐射感应衰减测量程序的标准导则
【标准号】:ASTME1614-1994(2004)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:E13.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:电离辐射感应衰减测量;辐射感应衰减;硅基光纤;光谱的衰减;稳态电离辐射;非偏振光;分级指数硅基光纤;传输和反射;电离辐射;电缆;光;性能;光谱学;导则;放射性照射;宽带系统;剂量测定;衰减;光纤;多模光纤
【英文主题词】:broadband;opticalfibers;radiation-inducedattenuation;spectroscopy
【摘要】:Ionizingenvironmentswillaffecttheperformanceofopticalfibers/cablesbeingusedtotransmitspectroscopicinformationfromaremotelocation.Determinationofthetypeandmagnitudeofthespectralattenuationorinterferences,orboth,producedbytheionizingradiationinthefiberisnecessaryforevaluatingtheperformanceofanopticalfibersensorsystem.Theresultsofthetestcanbeutilizedasaselectioncriteriaforopticalfibersusedinopticalfiberspectroscopicsensorsystems.Note18212;Theattenuationofopticalfibersgenerallyincreaseswhenexposedtoionizingradiation.Thisisdueprimarilytothetrappingofradiolyticelectronsandholesatdefectsitesintheopticalmaterials,thatis,theformationofcolorcenters.Thedepopulationofthesecolorcentersbythermaland/oroptical(photobleaching)processes,orboth,causesrecovery,usuallyresultinginadecreaseinradiation-inducedattenuation.Recoveryoftheattenuationafterirradiationdependsonmanyvariables,includingthetemperatureofthetestsample,thecompositionofthesample,thespectrumandtypeofradiationemployed,thetotaldoseappliedtothetestsample,thelightlevelusedtomeasuretheattenuation,andtheoperatingspectrum.Undersomecontinuousconditions,recoveryisnevercomplete.1.1Thisguidecoversamethodformeasuringtherealtime,insituradiation-inducedspectralattenuationofmultimode,stepindex,silicaopticalfiberstransmittingunpolarizedlight.Thisprocedurespecificallyaddressessteady-stateionizingradiation(thatis,alpha,beta,gamma,protons,etc.)withappropriatechangesindosimetry,andshieldingconsiderations,dependingupontheirradiationsource.1.2Thistestprocedureisnotintendedtotestthebalanceoftheopticalandnon-opticalcomponentsofanopticalfiber-basedsystem,butmaybemodifiedtotestothercomponentsinacontinuousirradiationenvironment.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:6P.;A4
【正文语种】:
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