Singlemode Fiber Couplers

Features

Applications
  • Low Excess Loss
  • Various Coupling Ratio
  • Compact Size
  
  • Long-haul Telecommunications
  • CATV Systems & Fiberoptic Sensors
  • Local Area Network

 

 

Performance Specifications

Coupling Ratio (%)
50/50
Directivity (dB)
>55
Operating Temperature (° C)
-20 ~ +70(-40 ~ +85 available upon request)
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
Dimensions (mm)
Package M, N, A, B, C


Singlemode Standard Couplers

Grade

Premium

A Grade

Coupling Ratio (%)

50/50

50/50

Excess Loss (Typical )(dB)

0.1

0.15

Maximum Insertion loss (dB)

3.3

3.5

Polarization Sensitivity (dB)

0.1

0.15

Operating Wavelength (nm)

850+10, 980+10, 1310+10, 1480+10, 1550+10, 1585+10, or custom wavelength



Singlemode Wideband Coupler

Grade

Premium

A Grade

Coupling Ratio (%)

50/50

50/50

Excess Loss (Typical )(dB)

0.1

0.2

Maximum Insertion loss (dB)

3.3

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

7.6/1.2

8.0/1.3

10/90

10.8/0.6

12.0/0.8

5/95

13.8/0.35

15.7/0.55

2/98

18.0/0.25

19.5/0.3

1/99

21.0/0.2

21.5/0.3

 Note: All values referenced are without connector.

 

Order Infomation

Type•

Grade

Wavelength

Coupling Ratio or Attenuation (dB)

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

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

 

 

Package Dimensions & Pigtail Style

Package Dimensions:
Package M:
3mm x 40mm stainless steel tube
Package N:
3mm x 35mm stainless steel tube

Package A:
3mm x 54mm stainless steel tube

Package B:
3mm x 60mm stainless steel tube       

Package C:
8.5mm x 14mm x 98mm case

 

Pigtail Style:

Package M, N, A:

250um bare fiber

Package B:

250um bare fiber or 900um loose tube     

Package C: 3mm cable or 900um loose tube 
 
 
  
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