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Fiber Optical Coupler

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Product Name:1X2/2X2 Coupler

Features

* Low Insertion loss

* Wide Operating Wavelength

* Compact Size

* Excellent Environmental & Mechanical Stability

 Applications

*  FTTX Systems

*  LAN, WAN and Metro Networks

*  Analog/Digital Passive Optical Networks

*  CATV Networks

*  Subscriber Loop

*  Fiberoptic Instruments

*  Fiber Sensors

*  Other applications in fiber optic systems

Specifications

Coupling Ratio(%)

50/50

Directivity (dB)

>55

Operating Temperature (°C)

-40 - +85

Storage Temperature (°C)

-40 - +85

Fiber Type

Corning Singlemode SMF-28, DS Fiber, or flexcore

Fiber Pigtail Length (m)

1

Port Configuration

1x2 or 2x2

Package Dimension

Package M, N, A, B, C

 

Single mode Standard Coupler

Grade

Premium

A Grade

Coupling Ratio (%)

50/50

50/50

Excess Loss (Typical )(dB)

0.1

0.15

Maximum Insertion loss (dB)

3.4

3.5

Polarization Sensitivity (dB)

0.1

0.15

Operating Wavelength (nm)

850, 980, 1310, 1480, 1550, 1585, or custom wavelength

Single mode Wideband Coupler

Grade

Premium

A Grade

Coupling Ratio (%)

50/50

50/50

Excess Loss (Typical )(dB)

0.1

0.2

Maximum Insertion loss (dB)

3.4

3.5

Polarization Sensitivity (dB)

0.1

0.15

Operating Wavelength (nm)

1310+40, 1550+40, 1585 +40, or custom wavelength

Coupling Ratio/Insertion Loss Conversion Chart

Coupling Ratio

Insertion Loss

 

Premium

A Grade

40/60

4.4/2.5

4.6/2.8

30/70

5.6/1.8

6.0/2.0

20/80

7.4/1.1

7.7/1.3

10/90

10.8/0.6

12.0/0.8

5/95

14.6/0.4

15.7/0.55

2/98

19.0/0.2

19.5/0.3

1/99

21.0/0.2

21.5/0.3

Single mode Dual Window Wideband Coupler

Grade

P

A

Coupling Ratio (%)

50/50

50/50

Excess Loss (Typical )(dB)

0.1

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 + 40, 1310 /1585+ 40, or custom wavelength

Coupling Ratio/Insertion Loss Conversion Chart

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

8.5/1.4

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

Note: 1. All parameters are for device without connectors.

2. Special specifications can be customized according to customer requirements.

 

Ordering Infomation  


Type•

Grade

Wavelength

Coupling Ratio or Attenuation

Port

Package

Pigtail Style

Fiber Type

In/Out Connector

S
W

S
P
A

83=830nm
85=850nm
98=980nm
13=1310nm
14=1480nm
15=1550nm
16=1585nm

35=1310/1550nm
36=1310/1585nm

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

0102=1x2
0202=2x2

M=Package M N=Package N
A=Package A
B=Package B
C=Package C

1=Bare Fiber
2=900µm Jacket
3=3mm Cable

0=SMF-28
1=Corning Flexcore 1060
2=Corning Flexcore 780nm
D=DS Fiber
S=Special

0=None
1=FC/APC
2=FC/PC
3=SC/APC
4=SC/PC
5=ST
6=LC

* Type:

S -- Singlemode Standard Coupler
W -- Singlemode Wideband Coupler