Type
Parameter

Dual Window Coupler (DWC)

Grade

P

A

P

A

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

≤3.4

≤3.6

≤3.8

≤4.0

45/55

 ≤4.2/3.2

≤4.4/3.4

≤4.5/3.3

≤4.7/3.5

40/60

≤4.7/2.7

≤4.9/2.9

≤5.0/2.8

≤5.2/3.0

35/65

≤5.4/2.4

≤5.7/2.6

≤2.0/2.8

≤5.2/3.0

33/67

≤5.7/2.2

≤6.0/2.4

≤6.1/2.3

≤6.4/2.5

30/70

≤6.0/1.9

≤6.3/2.1

≤6.4/2.0

≤6.7/2.2

25/75

≤7.0/1.7

≤7.3/1.9

≤7.3/1.7

≤7.7/1.9

20/80

≤7.9/1.3

≤8.4/1.4

≤8.3/1.3

≤8.7/1.5

15/85

≤9.5/1.0

≤10.0/1.2

≤9.6/1.0

≤10.1/1.2

10/90

9.2~11.2/≤0.75

8.80~11.40/≤0.8

9.15~11.05/≤0.75

8.75~11.45/≤0.8

5/95

12.05~14.15/≤0.4

11.60~14.60/≤0.5

12.00~14.25/≤0.45

11.50~14.70/≤0.5

3/97

14.1~16.5/≤0.35

13.60~17.05/≤0.45

14.00~16.60/≤0.35

13.45~17.15/≤0.45

2/98

15.75~18.45/≤0.3

15.15~19.00/≤0.4

15.60~18.60/≤0.3

14.95~19.20/≤0.4

1/99

18.6~21.6/≤0.25

17.95~22.25/≤0.35

18.35~21.85/≤0.25

17.60~22.55/≤0.35

PDL（dB）

≤0.15

≤0.20

≤0.15

≤0.20

Directivity( dB）

≥55

Operating temperature（℃）

-40  ~  +110

Configuration

1×2 or 2×2

Fiber lead length

1 meter, others on request

Fiber type

250μm bare fiber

900μm loose tube

900μm/2mm/3mm loose tube

Dimensions (Ф×L)

Φ3.0mm×45mm

Φ3.0mm×54mm

90mm×20mm×10mm