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Specifications
High Quality FBT Coupler1 Low insertion loss
2 Low polarization dependence
3 High optical return loss
4 Better uniformit
FBT Splitter(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).
Features
HIGH QUALITY FBT 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
FBT Coupler Specifications
| Grade Parameter | Grade“ A” | |||
| Operation Wavelength (nm) | 1310 or 1550nmn | |||
| Bandwidth (nm) | ±20nm or ±40nm | |||
| Max.Excess Loss (dB) | ≤0.3dB(0.15dB TYP) | |||
| Coupling Ratio (%) | 50/50 | 40/60 | 30/70 | 20/80 |
| Typ. Insertion Loss (dB) | 3.15 | 4.15/2.35 | 5.4/1.70 | 7.15/1.15 |
| Max. Insertion Loss (dB) | 3.4 | 4.4/2.6 | 5.7/1.9 | 7.5/1.5 |
| Polarization Dependent Loss (dB) | 0.2 | 0.2 | 0.3/0.2 | 0.3/0.2 |
| Thermal Stability (dB /°C) | ≤0.3dB | |||
| Directivity (dB) | ≥60 dB | |||
| Operating Temperature(°C) | -40°Cto +85°C | |||
| Package Type | 1. bare fiber 2. 900um loose tube | |||
| Pigtail length | 1 meter, others on request | |||
| Package Dimensions(mm) | package size 1:Φ3×30 package size 2: Φ3×35 package size 3:Φ3x40 | |||
FBT Coupler Applications
1 FTTH, LAN, PO N & Optical CATV
2 Local ring net
3 Optical fiber communication system
4 Optical fiber test equipment
5 Optical fiber sensor
FBT Coupler Image1
FBT Coupler Image2
FBT Coupler Image3
We Supply all kinds of FBT Splitter(Coupler) and PLC Splitter.
Factory Coner:
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