CWDM Channels Add/Drop
CWDM
CATV Fiber Optical Links
Accessing LAN Networks
Short-Distance Communications
1)Low Insertion Loss
2)Excellent Channel Isolation
3)High Stability & Reliability
4)Low Cost
|
Item
|
Unit
|
Parameters
|
|
Channel spacing
|
|
20 nm ITU grids
|
|
Wavelength range
|
nm
|
1260 to 1620
|
|
Channel centers (ITU or ITU+1)
|
nm
|
1270/1290…1610 or 1271/1291…1611
|
|
Passband
|
nm
|
≥+/-6.5 ,7.0,7.5
|
|
Passband ripple
|
dB
|
≤0.35
|
|
Transmission insertion loss
|
dB
|
≤0.70 (Typical 0.50)
|
|
Reflection insertion loss
|
dB
|
≤0.40
|
|
Transmission isolation (adj channel)
|
dB
|
≥30
|
|
Transmission isolation (non-adj channel)
|
dB
|
≥45
|
|
Reflection isolation
|
dB
|
≥13
|
|
Polarization dependent loss
|
dB
|
≤0.1
|
|
Polarization mode dispersion
|
ps
|
≤0.2
|
|
Thermal Stability
|
dB/°C
|
≤0.005
|
|
Directivity
|
dB
|
≥50
|
|
Return loss
|
dB
|
≥45
|
|
Optical power handling
|
mW
|
≤300
|
|
Tensile Load
|
N
|
≥5
|
|
Operating temperature range
|
°C
|
-5 to 70
|
|
Storage temperature range
|
°C
|
-40 to +85
|
|
Fiber type
|
|
SMF-28e
|
|
Package dimension
|
mm
|
≤5.5 x 34
|
