EN ISO 11554 2025.docx

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1、ENISO11554EuropeanstandardNormeeuropeenneJune2025EuropaischenormICS31.260SupersedesENISO11554:2017EnglishVersionOpticsandphotonics-Lasersandlaser-relatedequipment-Testmethodsforlaserbeamradiantpower,radiantenergyandtemporalcharacteristicsISO11554:2025Optiqueetphotonique-Lasersetequipementsassociesau

2、xlasers-Methodesdessaidelapuissancerayonnante,deFenergierayonnanteetdesCaracteristiquestemporellesdesfaisceauxlasers(ISO11554:2025)OptikundPhotonik-LaserundLaseranlagen-PriifverfahrenfiirLeistung,EnergieundKenngroEendesZeitverhaltensvonLaserstrahlen(ISO11554:2025)ThisEuropeanStandardwasapprovedbyCEN

3、on13November2023.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELE

4、CManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.CENmembersarethen

5、ationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switze

6、rland,TiirkiyeandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefurnormungCEN-CENELECManagementCentre:RuedelaScience23,B-1040BrusselsRef.No.ENISO11554:2025E2025CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Con

7、tentsPageEuropeanforeword3EuropeanforewordThisdocument(ENISO11554:2025)hasbeenpreparedbyTechnicalCommitteeISO/TC172OpticsandphotonicsincollaborationwithTechnicalCommitteeCEN/TC123nLasersandphotonicsnthesecretariatofwhichisheldbyDIN.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherb

8、ypublicationofanidenticaltextorbyendorsement,atthelatestbyDecember2025,andconflictingnationalstandardsshallbewithdrawnatthelatestbyDecember2025.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpaten

9、trights.ThisdocumentsupersedesENISO11554:2017.ThisdocumenthasbeenpreparedunderastandardizationrequestaddressedtoCENbytheEuropeanCommission.TheStandingCommitteeoftheEFTAStatessubsequentlyapprovestheserequestsforitsMemberStates.Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusersnationalsta

10、ndardsbody/nationalcommittee.AcompletelistingofthesebodiescanbefoundontheCENwebsite.AccordingtotheCEN-CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finla

11、nd,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandtheUnitedKingdom.EndorsementnoticeThetextofISO11554:2025hasbeenapprovedbyCENasENIS

12、O11554:2025withoutanymodification.InternationalStandardISO11554Fifthedition2025-06OpticsandphotonicsLasersandlaser-relatedequipmentTestmethodsforlaserbeamradiantpower,radiantenergyandtemporalcharacteristicsOptiqueetphotoniqueLasersetequipementsassociesauxlasersMethodesdessaidelapuissancerayonnantefd

13、eenergierayonnanteetdesCaracteristiquestemporellesdesfaisceauxlasersReferencenumberISO11554:2025(en)COPYRIGHTPROTECTEDDOCUMENTISO2025Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,ele

14、ctronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO,smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Email:copyrightis

15、o.orgWebsite:www.iso.orgPublishedinSwitzerlandPageContentsForewordivIntroductionvi2 Normativereferences13 Termsanddefinitions14 Symbolsandunitsofmeasurement25 Measurementprinciples36 Measurementconfiguration,testequipmentandauxiliarydevices36.1 Preparation36.1.1 Sourceswithsmalldivergenceangles36.1.2 Sourceswithlargedivergenceangles36.1.3 RINmeasurement46.1.4 Measurementofsmallsignalcutofffrequency56.2 Controlofenvironmentalimpacts66.3 Detectors66.4 Beam-formingoptics76.5 Opticalattenuators7MeasurementsO234567891z7.z7.zz7.7.7.RadiantpowerofcwlasersRadiantpowerstabilityofcwlasersR