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

Parameter	Specification
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
Package Dimension (mm)	Package M, N, A, B, C

Singlemode Standard Coupler
Operating Wavelength (nm)	850+10, 980+10, 1310+10, 1480+10, 1550+10, 1585+10, or custom wavelength
Grade	P	A
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

Singlemode Wideband Coupler
Operating Wavelength (nm)	1310+40, 1550+40, 1585 +40, or custom wavelength
Grade	P	A
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

Note: All values referenced are without 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/UPC
7=LC/APC
X=Special

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

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