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Products > Coupler > Single Mode Tree/Star Coupler
 
Single mode Tree/Star Couplers
Single mode Tree/Star Couplers

Features
 Applications
  • Low excess loss
  • Uniform power splitting
  • Rugged package
  • Excellent environmental & mechanical stability
  • Long-haul telecommunications
  • Digital, hybrid and AM-Video systems
  • CATV systems
  • High speed local area networks
  • Fiber sensors
Performance Specifications

Directivity (dB)
>55 dB
Operating Temperature
-40 ° C - 85 ° C
Storage Temperature
-40 ° C - 85 ° C
Fiber Type
Corning Single mode SMF-28 , DS Fiber, or Flexcore
Fiber Pigtail Length (m)
1m or Custom on Request
Port Configuration
1x4 to 32x32
 
Single mode Standard Tree/Star Couplers
Configuration Type
1x 4(4x4)
1x8 (8x8)
1x16 (16x16)
1x32 (32x32)
Maximum insertion loss (dB)
6.8
10.2
13.6
17.5
Uniformity (Max.) (dB)
0.7
1.0
1.2
1.4
Polarization Dependant Loss (Max.) (dB)
0.15
0.20
0.25
0.30
Operating Wavelength (nm)
850, 980, 1310, 1550, 1585, or custom wavelength
Package Dimension
D,S
D,S
E
E
 

Single mode Single Window Wideband Tree/Star Couplers

Configuration Type
1x4 (4x4)
1x8 (8x8)
1x16 (16x16)
1x32 (32x32)
Maximum Insertion loss (dB)
6.8
10.2
13.6
17.5
Uniformity (Max.) (dB)
0.8
1.2
1.6
2.0
Polarization Dependant Loss (Max.) (dB)
0.15
0.20
0.25
0.30
Operating Wavelength (nm)
1310 +40, 1550 +40, 1585+40, or custom wavelength
Package Dimension
D,S
D,S
E
E
 

Single mode Dual Window Tree/Star Couplers

Configuration Type
1x4 (4x4)
1x8 (8x8)
1x16 (16x16)
1x32 (32x32)
Maximum Insertion Loss (dB)
7.6 (7.2)**
11.5 (10.8)**
15.5 (14.5)**
19.5 (18.5)**
Uniformity (Max.) (dB)
1.6 (1.4)**
2.5 (2.1)**
3.4(2.8)**
4.1 (3.5)**
Polarization Dependant Loss (Max.) (dB)
0.15
0.20
0.30
0.50
Operating Wavelength (nm)
1310/1550 + 40, (**1310/1550 + 20), or custom wavelength
Package Dimension
D,S
D,S
E
E
The Spec is for 1xN Coupler only.
 
Ordering Information
Type 
Grade
Wavelength
Coupling Ratio (dB)
Port
Package
Pigtail Style
Fiber Type
In/Out Connector
S
W
P
A
85=850nm
98=980nm
13=1310nm
15=1550nm
16=1585nm
35=1310/1550nm
36=1310/1585nm
AV = Tree Coupler
0104=1x4


0116=1x16
1616=16x16
3232=32x32
D=Package D
E=Package E
S=Package S
1=Bare Fiber
2=900µm Jacket
3=3mm Cable
0=SMF-28
1=Corning Flexcore
D=DS Fiber
S=Special
0=None
1=FC/APC
2=FC/PC
3=SC/APC
4=SC/PC
5=ST
6=LC
X=Special
 
* Type:
S – Single mode Standard Coupler
W – Single mode Wideband Coupler
 

PACKAGE DIMENSIONS & PIGTAIL STYLE

Package D: 11.6mm x 80mm x 120mm

Package E: 14.5mm x 102mm x 142mm

Package S: 9.2mm x 50.88mm x 88.9mm

Pigtail Style:
PackageD,E:
  3mm cable or 900um loose tube
Package S:
  250um bare fiber or 900um loose tube



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