光通信常用缩写英文解释

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

2、ticalfiberacceptsincominglight;usuallymeasuredfromthefiberaxis.Relatedtonumericalaperture(NA).ACWDMadvancedcustomWDM.AdhesiveAnintermolecularsubstancethatservestoholdmaterialstogether.Twotypesareusedintheopticalindustry:one,whichmustbetransparentandcolorless,tocementlensestogether;andageneral-purp

3、oseadhesiveforbondingprismsandotherglasspartstotheirmetallicsupportsADMadd/dropmultiplexer(capitalizeonlywhenindicatingaproductname).AdapterAdeviceforconnectingtwoparts(asofdifferentdiameters)ofanapparatus;anattachmentforadaptingdevicesforusesnotoriginallyintended.AH-DielectricCableCablemadeentire

4、lyofdielectric(insulating)materialswithoutanymetalconductors,armor,orstrengthmembers.AMamplitudemodulation.Amodulationschemeinwhichtheamplitudeofacarrierwaveischangedbyinformationsignals.AnalogAsignalthatvariescontinuously(e.g.,soundwaves).Analogsignalshavefrequencyandbandwidthmeasuredinhertz.Angl

5、eofincidenceTheangleformedbetweenarayoflightstrikingasurfaceandthenormaltothatsurfaceatthepointofincidenceAngleofreflectionTheangleformedbetweenthenormaltoasurfaceandthereflectedray.Thisangleliesinacommonplanewiththeangleofincidenceandisequaltoit.AngleofrefractionTheangleformedbetweenarefractedray

6、andthenormaltothesurface.Thisangleliesinacommonplanewiththeangleofincidence.-10Angstrom(?Aunitoflength,0.1nmor10m,oftenusedtomeasurewavelengthbutnotpartoftheSlsystemofunits.OftenwrittenAngstrombecausethespecialsymbolisnotavailable.APCangledphysicalcontactAPDavalanchephotodiode.Adevicethatusesavala

7、nchemultiplicationofphotocurrentviahole-electronscreatedbyabsorbedphotons.Whenthereverse-biasvoltageofadevicenearsbreakdownlevel,thehole-electronpairscollidewithions,createmorehole-electronpairs,andachieveasignal