1×2 or 2×2 Dual Window Coupler (DWC)

Grade

P

A

P

A

Port Configuration

1x2 or 2x2

Operating Wavelength(nm)

1310 and 1550

Operating Bandwidth(nm)

±40

±80

Typical Excess Loss(dB)

0.07

0.1

0.07

0.1

Insertion Loss(dB)

50/50

≤3.6

≤3.8

≤3.8

≤4.0

40/60

≤4.7/2.7

≤4.9/2.9

≤5.0/2.8

≤5.2/3.0

30/70

≤6.0/1.9

≤6.3/2.1

≤6.4/2.3

≤6.7/2.2

20/80

≤7.9/1.3

≤8.4/1.4

≤8.3/1.3

≤8.7/1.5

10/90

9.2~11.2/≤0.75

8.8~11.4/≤0.8

9.15~11.05/≤0.75

8.75~11.45/≤0.8

5/95

12.05~14.15/≤0.4

11.6~14.6/≤0.5

12.0~14.25/≤0.45

11.5~14.7/≤0.5

2/98

15.75~18.45/≤0.3

15.15~19.0/≤0.4

15.6~18.6/≤0.3

14.95~19.2/≤0.4

1/99

18.6~21.6/≤0.25

17.95~22.25/≤0.35

18.35~21.85/≤0.25

17.6~22.55/≤0.35

PDL (dB)

0.15

0.20

0.15

0.20

Directivity (dB)

≥55

Operating Temperature (℃)

-40  ~  +85

Package Dimension

250μm Bare Fiber: Φ3.0×45mm

900μm Loose Tube: Φ3.0×54mm

900um/2mm/3mm Loose Tube: 90×20×10mm

Grade

Port Number

Operating Wavelength

Coupling Ratio

Pigtail Type

Encapsulation Steel Tube

Fiber Length

Connector

P=Perfect

1×2

1315=1310 & 1550

01/99

0=250um

3.0×45

1m

FC/UPC

A=Grade A

2×2

02/98

1=900um

3.0×54

1.5m

FC/APC

X=Customized

03/97

4=others

2m

SC/UPC