
Data Sheet
DW-902
August, 2003
Polarization Beam Combiner
Product type: DW-902
Applications
High power laser diode multiplexing application
for pumping source of EDFA and Raman
amplifier in WDM network.
Description
DW902 is three-port polarization beam combiner with optical crystal.
Also could be used as Polarization splitter.
Features
Extremely low insertion loss. : 0.25dB Typical
Flat insertion loss spectrum.
High reliability using YAG laser welding and Epoxy-free optical path.
Telcordia GR-1209, GR-1221 Qualified.
Environmental conditions
Parameter
Unit
Min
Typ
Max
Remarks
Storage Temperature
°C
-40
-
85
No dew condensation
Operating Temperature
°C
0
-
70
No dew condensation
Maximum Optical Power *1)
mW
---
1000
3W, 70°C, 90%RH
× 1000hour
test passed
Note *1) Connector type is not available.
Optical Characteristics
Item
Symbol
Conditions
Min
Typ
Max Unit
Type Number: DW902-V2-
1420
-
1460
nm
Type Number: DW902-V1-
1460
-
1500
nm
Operating Wavelength
λ
Type Number: DW902-V3-
1530
-
1570
nm
Insertion Loss
IL
at Operating Temperature
0.25
0.50
dB
Return Loss
RL
50
-
dB
FSDS-008-G