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Singlemode Dual Window Wavelength Flattened Coupler 1X2 2X2
 

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The singlemode dual window wavelength flattened coupler 1X2 2X2 offer very low insertion loss, low polarization dependence and excellent environmental stability. Accurate coupling ratio from 50/50 to 1/99, fiber type 250um bare fiber, 3mm and 900um loose tube fiber are available with very tight uniformity in a wide wavelength range of both 1310 nm and 1550 nm windows. Singlemode dual window wavelength flattened couplers find extensive application to perform power splitting and monitoring functions in all kinds of optical communication systems.

Specifications Singlemode dual window wavelength flattened coupler
Parameters
values
Operating Wavelength
1310nm/1550nm
Bandwidth
+/-40nm
Coupling Ratio
01%/99%
05%/95%
10%/90%
50%/50%
Max. Insertion Loss
23.5dB/0.3dB
15.2dB/0.4dB
11.3dB/0.6dB
3.6dB
Max. PDL

0.15dB
Max. Excess Loss
0.10dB
Thermal Stability
£0.002dB/°C over -5 °C to +70 °C
Directivity
55 dB1x2
65 dB2x2
Configuration
1 x 2 or 2 x 2
Grade
p
Fiber Type
Corning SMF-28
Package Dimensions
250um bare fiber and dia. 3.0  X 48mm
900um loose tube and dia. 3.5 X 66mm
3mm loose cable and 90 X 16 X9mm
operating Temperature
-5°C to +70°C
Note1: Values specified are without connector loss.  
 
Ordering Information - Singlemode dual window wavelength flattened coupler
SMDC-R-SSSS-TT-U-X-Y-Z
R : Port configuration 1 - 1x2, 2 - 2x2
SSSS: Wavelength 1315 - 1310 & 1550nm, SSSS - Specify
TT : Coupling ratio 01- 01/99, 05 - 05/95, 10 - 10/90, 50 - 50/50, SS - Specify
U : Pigtail  type B - 250 um bare fiber, L - 900 um loose tube, C - 3mm loose cable
X : Pigtail length 1 - 1.0 m, S - Specify
Y : Fibre option S - Corning SMF28
Z : Connector  1 - FC/UPC, 2 - FC/APC, 0 - None, S - Specify

 

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