Dual Window Single Mode Fused Coupler (DWFC)
Features：
Low insertion loss
Low PDL
High stability and reliability
Application：
Fiber Communication/Access Network
Fiber Sensor
Fiber Laser
Specifications:
Parameter
Grade P
Grade A
Operating wavelength (nm)
Typical excess loss (dB)
1310+/-40&1550+/-40 or Other
0.07
0.10
50/50
≤3.6
≤3.8
40/60
30/70
20/80
15/85
≤4.7/2.7
≤6.0/1.9
≤7.5/1.15
≤9.5/1.0
≤4.9/2.9
≤6.3/2.1
≤8.0/1.3
≤10.0/1.2
Insertion loss (dB)
10/90
5/95
3/97
9.2~11.2/≤0.75
12.05~14.15/≤0.4
13.90~16.70/≤0.35
8.80~11.40 /≤0.8
11.60~14.60 /≤0.5
13.4~17.2/≤0.45
2/98
1/99
15.75~18.45/≤0.3
18.6~21.6 /≤0.25
≤0.15
15.15~19.00/≤0.4
17.95~22.25/≤0.35
≤0.20
PDL (dB)
Directivity (dB)
≥55
≥55
Return Loss(dB)
Operating temperature (℃)
Package Information
~
-40 +85
Configuration
Fiber length
Fiber Type
1x2 or 2x2
1m, others on request
SMF-28e or on request
900μm/2mm/3mm
loose tube
Pigtail type
250μm bare fiber
900μm loose tube
φ3.0×L40 or
φ3.0×L54
φ3.0×L54
φ4.0×L65
Dimensions(φ×L )(mm)
L90×W20×H9.5 )
*** Other package dimensions can be made on customer request.
mar
k
et@acfiber.com