LC fiber optic attenuatorwata na'ura ce mai wucewa da ake amfani da ita don rage girman siginar haske ba tare da canza fasalin igiyar ruwa da kanta ba.Wannan sau da yawa buƙatu ne a cikin Dinse Wave Division Multiplexing (DWDM) da aikace-aikacen Erbium Doped Fiber Amplifier (EDFA) inda mai karɓa ba zai iya karɓar siginar da aka samar daga tushen haske mai ƙarfi ba.
LC attenuatoryana da nau'in nau'in nau'in nau'in fiber na ƙarfe-ion wanda ke rage siginar haske yayin da yake wucewa.Wannan hanya na attenuation yana ba da damar yin aiki mafi girma fiye da fiber splices ko fiber offsets ko fiber clearance, wanda ke aiki ta hanyar kuskure maimakon ɗaukar siginar haske.LC attenuators suna iya yin aiki a cikin 1310nm da 1550nm don Single-Mode da 850nm don Multi-Mode.
LC attenuatorssuna iya jurewa fiye da 1W na babban hasken hasken wutar lantarki na tsawon lokaci, yana sa su dace da EDFA da sauran aikace-aikace masu ƙarfi.Lowerarancin ƙwallan ƙwallon ƙafa (PDL) da kuma raunin madaidaiciya da kuma masu zaman kansu sanannu ya sa su zama daidai da DUMDM.