IEC TR 61292-4-2023.docx
IECIECTR61292-4Edition4.02023-01TECHNICA1.REPORTco1.ourinsideOptica1.amp1.ifiers-Part4:Maximumpermissib1.eoptica1.powerforthedamage-freeandsafeuseofoptica1.amp1.ifiers,inc1.udingRamanamp1.ifiersATHISPUB1.ICATIONISCOPYRIGHTPROTECTEDCoPyright©2023IEC1Geneva,Switzer1.andAJ1.rightsresec伯d.UnteesO1.herWigespecified,nopartofthisPUb1.iCabonmaybereproducedoruti1.izedinanyformOfAanymeans,e1.ectronicormeca11<ca1.,inc1.udingpoxx>opyigandmcro1.m,WAhOSpermissioninwntngfromeitherIECofIECmemberNationa1.Committeeinthecountryoftherequester.IfycuhaveanyquestionsaboutIECcopyrighthaveanenquiryaboutOb1.aningancona1.rightStothsPUbtCagn.pte-ascontacttheaddressM11oryour1.oca1.IECmc11crNatKXI霖COmn1.inC«f<xfurtheri11formatkx.IECSeaeiariaiTd.:412291902113.ruedeVarembe,M<*cchCH-1211Geneva20*ww.iec.chSWtZedBndAbouttheIECTheInternabona1.tectrotech11>ca1.Commtsskxi(IEC)isth©1.eadinggot>a1.organizationthatpreparesandpunishes1.n½f11abona1.Standards1.ota1.1.e1.ectricai.Gectronicandre1.atedIechnoksgies.AboutIECpub1.icationsThetechnica1.contortdIECpub1.ications»$keptunderconstantreviewbyIbCIECP1.cascmakesurothatyouhavethe1.atestedition,a<xrendumoranamendmentfnhthavebeenpuUed.IECpub1.icationssearchwcbstorc.icc.chadvscarchformTheadvancedsearchenab1.estofindIECpub1.icationst>yaIafteCyotcriteria(referencenumber,texttechnica1.oommitt<jo.1.Kateogivesinformabo11onprojects,rep1.acedarriw!hdrav,npub1.ications.IECJustPub1.ished-webstore.iec.ch,Justpub1.tshedStayuptodaU?onoi1.nowIECPUbhaItiOns.JUStPuMshodde1.atea1.1.newpub1.>cat3reteased.Avai1.ab1.eon1.ineandCnCeamonthbyemai1.IECCustomerServiceCentre-webstore.1.ec.chescIfyouwhtogrveuyourfeedbackonthispub1.icationorneedfurtherasstsia11,p1.easecontacttheCustomerServiceCnure.sates©»ec.ch.IECProducts&ServicesPor1.a1.products.icc.chDiscoverourPCWCrfU1.soarcengineandrc<×Jfree1.ya1.1.mCPuWkcatkxispreviews.WithaSuOecnpt1.onyouMIatwa>shaveaccessiouptoda1.eco11W11ttai1.oredtoyourneeds.EIaetrOPed3www.Hectropedia.orgTheVVOfIcfsIeadngon1.inedictionaryondectrotechno1.ogy,nia11ingmorethan22300trm11otogica<entriesinEng1.shandFrench,withequcvaie!termsin19additiona1.1.anguages.A1.soKnOWnasteInternationa1.Etectfotechnica1.Vocabu1.ary(IEV)oi11o.IECIECTR61292-4Edition4.02023-01TECHNICA1.REPORTco1.ourinsideOptica1.amp1.ifiers-Part4:Maximumpermissib1.eoptica1.powerforthedamage-freeandsafeuseofoptica1.amp1.ifiers,inc1.udingRamanamp1.ifiersINTERNATIONA1.E1.ECTROTECHNICA1.COMMISSIONICS33.160.10;33.1M.30ISBN978-2-8322-6339-6Warning!Makesurethatyouobtainedthispub1.icationfromanauthorizeddistributor.RcoaC<8HadWTUrt1.cfroIrsFsaJ8c11nh*3J8rm44iocCONTENTSFOREWORD4INTRODUCTION61 Scope72 Normativereferences73 Terms,do1irwt1.ocs.andabbreviatedterms83.1 Termsanddefinitions.832Abbreviatedterms84 Maximumtransmissib1.eoptica1.powertokeepfibresdamage-free84.1 Genera1.84.2 Fibrefuseanditspropagation94.3 1.ossifXjuccdheatingatconnectorsorsp1.ices104.4 4ConncckxCndfaCe(IarnagCinducedbydust,contamination114.5 Fibreatbum,m1.tinducedbytightfibrebending134.6 Summaryofthefibredamage145 Maximumtransmissib1.eoptica1.powertokeepeyesandskinsafe155.1 Maximumtransmtssib1.exposure(MPEonthesurfaceofeyeandskin155.2 Maximumpermissib1.eoptica1.POWerthefibreforthesafetyofeyeandskin155.2.1 POwerIimit15522NeedforAPR165.2.3 Wave1.engths175.2.4 1.ocations17525Nomina1.ocu1.arhazarddistance(NOHD)175.2.6 POWarreductiontimes175.2.7 Medica1.aspectsofthesafetyofeyesandskininexistingstandards186 Maximumoptica1.powerpermissibteforoptica1.amp1.ifiersfromtheviewpointoffibredamageaswe1.1.aseyeandskinsafety197 Conc1.usion19AnnoxA(informative)Genera1.informationforoptica1.fibrefuse20A.1Introductoryremark20A-2Generatingmechanism20A.3Voidfortnationmechanism24A4Propagationcharacteristicofafibreiu$e24A5Preventionandtermination26A5.1Genera1.26A52Preventionmethods26A53Terminationmethods27A.6Additiona1.safetyinformation29A7Conc1.usion29Bib1.iography30Figure 1 -Experimenta1.setupforIibrCfusepropagation9Figure 2 -Connection1.ossversustemperatureincrease11Figure 3 -Testset-up11Figure 4 -Surfacenditionntamiatedwihmeta1.Ii1.mgs.beforethetest12Figure 5 -VariationofPOWGrattenuationduringts1.atsevera1.powerinputva1.uesfoep1.ugscontaminatedwithmeta1.fSngs13Figure 6 -Pofcshingsurfacenditionntami11atedwithmeta1.fiSng.aftertest13Figure 7 -ThemoVieWerimageoftight1.ybentSMFMhoptica1.POWerOf3Wa1.148Onm14Figure 8 -Temperatureo1thecoatingsurfaceofSMFsagainstbedgwithoptica1.powrof3Wat1480nm14Figure 9 -MaximumPCrmeSSiMPoWfyinthe1.<>rcagainstAPRPOwerroduct>ontime18FigureA.1-Frontpartofthefibrefusedamagegeneratedintheoptica1.fibre20FigureA.2-SiOabsorptionmode1.22FigureA.3-Ca1.1.atedfixefusepropagationbehaviourSimUatedWiththeSiOabsorptionmode1.23FigureA.4-Seriesofoptica1.
