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Specifications
FBT Optical Coupler1 Low insertion loss
2 Low polarization dependence
3 High optical return loss
4 Better uniformit
FBT Optical Coupler
Fiber optic splitter, also called optical splitter, fiber optic coupler, is a device applied in optical fiber systems with one or more input fibers and one or several output fibers. There are mainly two types of optical splitters. One is fused splitter (FTB),The other is Planar Lightwave Circuits (PLC Splitter).For the fused optical splitter, It can be divided into different ratios. such as 50/50 if the split is even, or 80/20 if 80% of the signal goes to one side and only 20% to the other. Planar Lightwave Circuits (PLC Splitter) can not work with different ratio rather than it provide a accurate splitting in high-density output (like 8,16,32,64 outputs). However, The most common type of fiber optic splitter splits the output evenly, which is coming out with the same output of light signals. As a result of its great function, Optical splitter is a very important part in passive optic networks (PON).
FBT Optical Coupler
HIGH QUALITY 4X4 FBT Optical Coupler
1 Low insertion loss & excess loss
2 Low polarization dependence
3 High optical return loss
4 Better uniformity
5 Environmental Stability and Reliability
6 Small package size
4X4 FBT Optical Coupler Specifications
Type | 4×4 | 4×4 |
Operating wavelength(nm) | 1310 or 1550 | 1310 and 1550 |
Operating bandwidth(nm) | ±20 | ±40 |
Max excess loss(dB) | 0.4 | 0.5 |
Typical Insertion loss(dB) | 6.3 | 6.5 |
Max Insertion loss(dB) | 7.0 | 7.6 |
Uniformity(dB) | <0.8 | <1.2 |
PDL(dB) | ≤0.2 | ≤0.2 |
Directivity(dB) | ≥55 | ≥55 |
Operating temperature(°C) | -40 ~ +85 | |
dimension Size | 3.0mm×65mm (250um bare fiber) 4.0mm×65mm (900um loose tube) | |
4x4 FBT Optical Coupler Applications
1 FTTH, LAN, PON & Optical CATV
2 Local ring net
3 Optical fiber communication system
4 Optical fiber test equipment
5 Optical fiber sensor
4X4 FBT Optical Coupler Image1
3X3 Fused Fiber Splitter(Coupler) Image2
We Supply all kinds of FBT Splitter and PLC Splitter.
Facory Coner:
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