Shenzhen Puhuixin Tecnhnology Co., Ltd.
Single Mode Double Window Coupler

1×2 or 2×2 Dual Window Coupler (DWC)

Dual window coupler is also know as Single Mode Double Window Coupler(DWC), which is built to split the optical power or wavelength through Fused Biconic Taper (FBT) technique. 1x2 or 2x2 Dual Window Coupler has two operating wavelength, 1310nm and 1550nm.
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1×2 or 2×2 Dual Window Coupler (DWC)

Specifications of Single Mode Double Window Coupler


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


Ordering Information of Single Mode Double Window Coupler

DWC

X

XXX

XXXX

XX/XX

X

X

XXX

XX/XX


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


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