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Anavalanchephotodiode(APD)isahighlysensitivetypeofphotodiode,whichingeneralaresemiconductordiodesthatconvertlightintoelectricity,Avalanchephotodiodes(APDs)arewidelyutilizedinlaserbasedfiberopticsystemstoconvertopticaldataintoelectricalform.TheAPD...。參考影片的文章的如下: