光通信常用缩写的英文解释

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1、AbsorptionThelossoflightasitpassesthroughamaterial,generallyduetoitsconversiontootherenergyforms(typicallyheat).AbsorptioncoefficientAnindicatorofamaterial'sinternalabsorptance.Iftheunittransmissionofthematerialist,theabsorptioncoefficient(a)is:a=-log

2、etAcceptanceAngleTheangleoverwhichthecoreofanopticalfiberacceptsincominglight;usuallymeasuredfromthefiberaxis.Relatedtonumericalaperture(NA).ACWDMadvancedcustomWDM.AdhesiveAnintermolecularsubstancethatservestoholdmaterialstogether.Twotypesareusedinthe

3、opticalindustry:one,whichmustbetransparentandcolorless,tocementlensestogether;andageneral-purposeadhesiveforbondingprismsandotherglasspartstotheirmetallicsupportsADMadd/dropmultiplexer(capitalizeonlywhenindicatingaproductname).AdapterAdeviceforconnect

4、ingtwoparts(asofdifferentdiameters)ofanapparatus;anattachmentforadaptingdevicesforusesnotoriginallyintended.AH-DielectricCableCablemadeentirelyofdielectric(insulating)materialswithoutanymetalconductors,armor,orstrengthmembers.AMamplitudemodulation.Amo

5、dulationschemeinwhichtheamplitudeofacarrierwaveischangedbyinformationsignals.AnalogAsignalthatvariescontinuously(e.g.,soundwaves).Analogsignalshavefrequencyandbandwidthmeasuredinhertz.AngleofincidenceTheangleformedbetweenarayoflightstrikingasurfaceand

6、thenormaltothatsurfaceatthepointofincidenceAngleofreflectionTheangleformedbetweenthenormaltoasurfaceandthereflectedray.Thisangleliesinacommonplanewiththeangleofincidenceandisequaltoit.AngleofrefractionTheangleformedbetweenarefractedrayandthenormaltoth

7、esurface.Thisangleliesinacommonplanewiththeangleofincidence.-10Angstrom(?Aunitoflength,0.1nmor10m,oftenusedtomeasurewavelengthbutnotpartoftheSlsystemofunits.OftenwrittenAngstrombecausethespecialsymbolisnotavailable.APCangledphysicalcontactAPDavalanche

8、photodiode.Adevicethatusesavalanchemultiplicationofphotocurrentviahole-electronscreatedbyabsorbedphotons.Whenthereverse-biasvoltageofadevicenearsbreakdownlevel,thehole-electronpairscollidewithions,createmorehole-electronpairs,andachieveasignal