Singlemode 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

Parameter	Specification
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)	1m or custom on request
Port Configuration	1x4 to 32x32

Singlemode Standard Tree/Star Couplers
Operating Wavelength (nm)	850+10, 980+10, 1310+10, 1550+10, 1585+10, or custom wavelength
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
Poralization Dependant Loss (Max.) (dB)	0.15	0.2	0.25	0.3
Dimensions (mm)	D,S	D,S	E	E

Singlemode Single Window Wideband Tree/Star Couplers
Operating Wavelength (nm)	1310 +40, 1550 +40, 1585+40, or custom wavelength
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)	0.8	1.2	1.6	2.0
Poralization Dependant Loss (Max.) (dB)	0.15	0.2	0.25	0.3
Dimensions (mm)	D,S	D,S	E	E

Singlemode Dual Window Wideband Tree/Star Couplers
Operating Wavelength (nm)	1310/1550 + 40, (*1310/1550 + 20), or custom wavelength
Configuration Type	1x 4 / (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)*
Poralization Dependant Loss (Max.) (dB)	0.15	0.2	0.3	0.5
Dimensions (mm)	D,S	D,S	E	E

* The Spec is for 1xN Coupler only.
Note: All values referenced are without 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/UPC
7=LC/APC
X=Special

* Type:
S -- Singlemode Standard Coupler
W -- Singlemode Wideband Couple