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20 80 Fiber Optic Cable Coupler 1 To 2 Fused Fbt Optical Splitter, 1490/1550nm, Sc Connectors 1meter

Single mode fused coupler 1×2, 2×2 offer very low insertion loss, low polarization dependence and excellent environmental stability. Accurate coupling ratio from 50/50 to 1/99, 250 um bare fiber, 3mm and 900um loose tube fiber are available with very tight uniformity in a wide wavelength range of 1310 nm,1490nm and 1550 nm windows. Single mode coupler is with extensive application to perform power splitting and monitoring functions in all kinds of optical communication systems. Multimode coupler is also available with 850nm wavelength.

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Description

Features

  • Low excess loss
  • Various coupling ratio
  • Compact Size, light weight
  • All type of connectors FC SC LC ST

 

 

Coupling Ratio Insertion Loss Conversion Chart

Coupling RatioInsertion loss (dB)
1/9920.2/0.24
5/9513.21/0.42
10/9010.2/0.66
15/858.44/0.91
20/807.19/1.17
25/756.22/1.45
30/705.43/1.75
35/654.76/2.07
40/604.18/2.42
45/553.67/2.8
50/503.21/3.21
Coupling ratio (%)1-50
Directivity (dB)>55
Operating Temperature (℃)-20 – + 85
Storage Temperature (℃)-40 – + 85
Fiber TypeCorning Single mode SMF-28, DS Fiber, or flex core
Fiber Pigtail Length (m)1
Port Configuration1×2 or 2×2
Package DimensionPackage D,E,F,G
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