Data Sheet
August, 2003
DW-902
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
Storage Temperature
Operating Temperature
Maximum Optical Power *1)
Unit
°C
°C
mW
Min
-40
0
---
Typ
-
-
---
Max
85
70
1000
Remarks
No dew condensation
No dew condensation
3W, 70°C, 90%RH
×
1000hour
test passed
Note *1) Connector type is not available.
Optical Characteristics
Item
Symbol
Conditions
Type Number: DW902-V2-
Operating Wavelength
λ
Type Number: DW902-V1-
Type Number: DW902-V3-
Insertion Loss
Return Loss
IL
RL
at Operating Temperature
50
Min
1420
1460
1530
Typ
-
-
-
0.25
-
Max
1460
1500
1570
0.50
-
Unit
nm
nm
nm
dB
dB
FSDS-008-G
DW-902
Block diagram
Port 1
Port 2
PMF
PMF
SMF
Data Sheet
August, 2003
Combiner
Port 3
Outline Drawings
1000½
53
32
1000½
11
6
φ2.2
unit:mm
[Fiber specs.]
INPUT
OUTPUT
Furukawa
φ0.4mm
coating PM-fiber
φ0.25mm
coating SM-fiber
Equivalent to SM.15-P-8/125-UV/UV-400
ITU-T G.652
Ordering Information
DW902- V
Wavelength Range
Symbol
.
-
-
/
Polishing
Type
(Port 1&2)
Symbol
.
Connector
Type
(Port 3)
Symbol
Extinction Ratio
(Port 1 & 2) *1)
Symbol
Connector
Type *2)
(Port 1&2)
Symbol
Polishing
Type
(Port 3)
Symbol
1
2
3
1460 – 1500
1420 – 1460
1530 – 1570
17
26
17 dB
26 dB
FC
SC
N
FC
SC
N
S
A
SPC
APC
FC
SC
N
FC
SC
N
S
A
SPC
APC
Note *1) Connectorization is not Available with 26dB option
Note *2) Polarization axis : The stress producing members are perpendicular to the key.
Furukawa Electric reserves the right to improve, enhance and modify the features and specifications of FITEL
products without prior notifications.
Japan
Head Office
2-2-3, Marunouchi
Chiyoda-ku
Tokyo 100-8322, JAPAN
http://www.furukawa.co.jp
Email:comsales@ho.furukawa.co.jp
Tel: +81-3-3286-3133
Fax: +81-3-3286-3708
200 Westpark Drive, Suite 190
Peachtree City, GA 30269
Tel: 770-487-1234
Toll-Free: 1-866-GO-FITEL(463-4835)
Fax: 770-487-9910
http://www.furukawaamerica.com
oesales@FurukawaAmerica.com
North America
Furukawa America Inc.
Europe
Furukawa Electric Europe Ltd.
3rd Floor, Newcombe House
43-45 Notting Hill Gate
London W11 3FE, UK
Tel:
+44-20-7221-6000
Fax:
+44-20-7313-5310
http://www.furukawa-fitel.co.uk
E-mail:sales@furukawa-fitel.co.uk
FSDS-008-G
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