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Singlemode Dual Window Couplers

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

Performance Specifications

Coupling Ratio(%)	50/50
Directivity (dB)	>55
Operating Temperature (°C)	-40 - +85
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	Package M, N, A, B, C

Singlemode Dual Window Wideband Couplers
Grade	P	A
Coupling Ratio (%)	50/50	50/50
Excess Loss (Typical )(dB)	0.1	0.15
Maximum Insertion loss (dB)	3.6	3.8
Uniformity (Max.) (dB)	0.7	1.0
Polarization Sensitivity (dB)	0.10	0.15
Operating Wavelength (nm)	1310 /1550 + 40, 1310 /1585+ 40, or custom wavelength

Coupling Ratio/Insertion Loss Conversion Chart

S
W

S
P
A

35=1310/1550nm
36=1310/1585nm

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
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 -- Singlemode Standard Coupler W -- Singlemode Wideband Coupler

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