Singlemode Dual Window Couplers

Applications

Features

Low excess loss

Various coupling ratio

Compact size

Long-haul telecommunications

CATV systems & Fiber sensors

Local area network

Coupling Ratio(%)

1-50

Directivity (dB)

>55 dB

Operating Temperature

-20 ° C - 85 ° C

Storage Temperature

-40 ° C - 85 ° C

Fiber Type

Corning Singlemode SMF-28 , DS Fiber, or Flexcore

Fiber Pigtail Length (m)

1meter

Port Configuration

1x2 or 2x2

Package Dimension

Package A, B, C

Fiber color

Input white;output1(Big split ratio) black,split output2(small split ratio white)

Single mode Dual Window Wideband Couplers

Grade

P

A

Excess Loss (Typical )(dB)

0.10

0.15

Maximum Insertion loss (dB)

3.6

3.8

Uniformity (Max.) (dB)

0.7

1.0

Polarization Sensitivity (dB)

0.10

0.15

Operating Wavelength (nm)

1310 /1550±20(Standard band type)

1310 /1550±40(wideband type)

Coupling Ratio

Insertion Loss

Premium

A Grade

40/60

4.7/2.7

5.0/2.9

30/70

6.0/1.9

6.4/2.1

20/80

7.9/1.2

8.4/1.4

10/90

11.3/0.5

12.7/0.8

5/95

15.2/0.4

18.5/0.5

1/99

22.5/0.3

23.0/0.4

Type

Grade

Wave-

length

Coupling Ratio (dB)

Port

Package

Pigtail Style

Fiber Type

In/Out Connector

SW

PA

31=1310

55=1550

35=1310/

1550nm345=1310/1490/1550nm

50=50/5030=30/70 10=10/90 05=5/95 01=1/99

02=2/98

03=3/97

0102=1x20202=2x2

A=Package AB=Package BC=Package C

1=Bare Fiber2=900µm Jacket3=3mm Cable

0=SMF-28e(G652D)

1=SMF-28e(G657A)

0=None1=FC/APC2=FC/PC3=SC/APC4=SC/PC5=ST 6=LC

* Type:

S -- Singlemode Standard CouplerW -- Singlemode Wideband Coupler

Package Dimensions:

Package A:3mm x 54mm stainless steel tube

Package B:3mm x 60mm stainless steel tube       

Package C:90mm x 20mm x 9.9mm ABS case (Black Color)

Pigtail Style:

Package A:

250um bare fiber

Package B:

250um bare fiber or 900um loose tube     

Package C:

3mm cable or 900um loose tube