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

Specifications Fiber optic broadband coupler
Parameters
values
Operating Wavelength
 1310 or 1550nm
Bandwidth
±40nm
Coupling Ratio
1/99
5/95
10/90
50/50
Max. Insertion Loss
21.5/0.2dB
14.6/0.4dB
10.8/0.6dB
3.4/3.4dB
Max. PDL (tap/through port)
0.10dB
0.10dB
0.10dB

0.10dB
Thermal Stability
£ 0.002dB/°C over -5 °C to +70 °C
Min Directivity
55dB1x2
65dB2x2
Fiber length
1m 
Grade
p
Fiber Type
Corning SMF-28
Package Dimensions

 
250um bare fiber and dia. 3.0 X 48
900um loose tube and dia. 3.5 X 66mm
 3mm loose cable 90x16x9
operating Temperature
-5°C to +70°C
Storage Temperature

-5°C to +85°C

Note1: Values specified are without connector loss.  
Ordering Information - Singlemode Broadband Coupler 1x2 2x2
FOBC-R-SS-TT-U-X-Y-Z
R : Port configuration 1 - 1x2, 2 - 2x2
SS: Wavelength 13 - 1310nm,  15 - 1550nm
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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