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Products > Coupler > Multimode Coupler
 
Multimode Couplers
Multimode Couplers
 
Features
Applications
  • Low Insertion loss
  • Wide Operating Wavelength
  • Compact Size
  • Excellent Environmental & Mechanical Stability
  • Local Area Networks
  • CATV Systems
  • Subscriber Loop
  • Fiber optic Instruments
  • Fiber Sensors
Performance Specifications
Type
Multimode Standard Fiber Couplers
Coupling Ratio (%)
50/50
Grade
A
B
Excess Loss (Typical) (dB)
0.5 (0.8)*
0.7 (1.0)*
Max. Insertion Loss (dB)
3.5 (4.0)*
3.7 (4.2)*
Uniformity (Max.) (dB)
0.6
0.8
Directivity (Min.) (dB)
35
Operating Wavelength (nm)
600-1600
Central Wavelength (nm)
850 or 1310 or 1550
Operating Temperature( ° C)
-40 - +85
Fiber Type
Corning multimode 50/125, 62.5/125, 100/140 fiber
Fiber Pigtail Length (m)
1m or custom length
Port Configuration
1x2 or 2x2
Dimensions (mm)
Package M, A, B, C
 
Type
Multimode 1X3, 1X4 True Fusion Couplers
Port Configuration
1x3
1x4
Grade
P
P
Max. Insertion Loss (dB)
6.0 (6.5)*
7.2 (7.6)*
Uniformity (Max.) (dB)
1.2
1.2
Directivity (Min.) (dB)
35
Operating Wavelength (nm)
600-1600
Central Wavelength (nm)
850 or 1310
Operating Temperature(° C)
-40 - +85
Fiber Type
Corning multimode 50/125, 62.5/125, 100/140 fiber
Fiber Pigtail Length (m)
1m or custom length
Dimensions (mm)
Package A, B, C
 
Type
Multimode Tree/Star Couplers
Configuration Type
n x 4 (n=1,2,4,)
n x 8 (n =1,2,8)
n x 16 (n =1,2,16)
Max. Insertion Loss (dB)
7.0/7.6*
10.5/11.0*
14.0/15.0*
Uniformity (Max.) (dB)
1.5
2.0
2.5
Directivity (Min.) (dB)
40dB
Operating Wavelength (nm)
600-1600
Central Wavelength (nm)
850 or 1310
Operating Temperature(° C)
-40 - +85
Fiber Type
Corning multimode 50/125, 62.5/125 fiber, 100/140 fiber
Fiber Pigtail Length (m)
1m or custom length
Dimensions (mm)
Package A, B, S, D
Package D
Package E
 
*For 50/125 um, 62.5/125 um fiber operating is at 850nm.
** Measured under the stable mode condition with LED light source.
Ordering Infomation
Type 
Grade
Wavelength
Coupling Ratio or Attenuation (dB)
Port
Package
Pigtail Style
Fiber Type
In/Out Connector
M
P
A
B
85=850nm
13=1310nm
15=1550nm
50=50/50
30=30/70
10=10/90
05=5/95
01=1/99
AV=Tree Coupler
0102=1x2
0202=2x2
0103=1x3
0303=3x3
0104=1x4
•   •
•   •
0116=1x16
1616=16x16
3232=32x32
A=Package A
B=Package B
C=Package C
D=Package D
E=Package E
M=Package M
S=Package S
1=Bare Fiber
2=900µm Jacket
3=3mm Cable
2=50/125um
3=62.5/125um
4=100/140um 5=Special fiber
0=None
1=FC/APC
2=FC/PC
3=SC/APC
4=SC/PC
5=ST
6=LC
X=Special
* Type: M -- Multimode fiber coupler
 
Dimensions & Pigtail Style
Package Dimensions:
 
Package M: 3mm x 40mm stainless steel tube
Package A: 3mm x 54mm stainless steel tube
 
Package B3mm x 60mm stainless steel tube     
 
 
Package C:  8.5mm x 14mm x 98mm case
Package S:  9.2mm x 50.88mm x 88.9mm case
Package D:  11.6mm x 80mm x 120mm
Package E:  14.5mm x 102mm x 142mm
 
 
Pigtail Style:
Package M, A:
250um bare fiber
Package A, B:
250um bare fiber or 900um loose tube     
Package C ~ E:
3mm cable or 900um loose tube 
Package S:
250um bare fiber or 900um loose tube  
 


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