Features
Low Insertion Loss
High Isolation
Low PDL
Good Directivity
Good Environmental Stability

Applications

EDFA
High Speed Networks
Optical CATV
WDM Systems
Optical Fiber Sensors

Parameters
Type	WDM-980/1550	WDM-980/1590
Center Wavelength（nm）	980 and 1550	980 and 1590
Bandwidth（nm）	±15
Max Insertion Loss（dB）	0.20
Min Wavelength Isolation（dB）	20
±10nmBandwidth Typical Isolation（dB）	18
Min Directivity（dB）	>60
PDL（dB）	<0.1
Operating Temperature（℃）	-25~+70
Storage Temperature（℃）	-40~+85
Max operating power (mW)	<300
Max tensile strength (N)	>5
Package Dimension(mm)	Ø3.0×50 or Ø4.0×50
Industry Standard Bellcore	Telcordia GR-1221-CORE

Sky Shine can use FBT technique to produce 980 Pump-WDM, which has special 980nm fiber. It can be used to EDFA peculiarly for combining signal light and pump light into fiber with Er to amplify them. 980/1550 can be used for C band EDFA, 980/1590 for L band EDFA