Description
Fiber optic splitter, also called optical splitter and fiber optic coupler, is a device applied in optical fiber systems with one or two input fibers and one or several output fibers. There are mainly two types of optical splitters. One is fused splitter (FBT), the other is Planar Lightwave Circuits (PLC Splitter). For the FBT splitter, It can be divided into different ratios. such as 80/20 (if 80% of the signal goes to one side and only 20% to the other). PLC Splitter can't work with different ratio, but it provide a accurate splitting in high-density output (like 4, 8, 16, 32, 64 outputs).
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).
Specification (1x2 Splitter)
Operating
Wavelength(nm) | 850±20/1310±20 | 850&1310±20 | Parameter | Unit | Value |
Coupling
Ratio (%) | Insertion Loss (dB) | Mode Cross | dB | <0.7 |
| Tap | Signal | Tap | Signal | Fiber Type | / | OM1/OM2/OM3/OM4 |
| 03/97 | 14.6-17.5 | ≤0.70 | 14.0-19.5 | ≤0.90 | Directivity | dB | >36 |
| 05/95 | 12.8-14.5 | ≤0.80 | 12.5-15.0 | ≤1.00 | Return Loss | dB | >36 |
| 10/90 | 9.20---11.5 | ≤1.20 | 9.00-12.0 | ≤0.20 | Excess Loss | dB | Typ.:<0.4 Max.:<0.7 |
| 20/80 | 6.70---7.80 | ≤2.20 | 6.60---8.20 | ≤0.20 | Pigtail Dia. | mm | 0.25 /0.9 / 2 / 3 |
| 33/67 | 4.70---6.00 | ≤2.50 | 5.00---6.40 | ≤0.20 | Pigtail Length | cm | >50 |
| 40/60 | 3.80---4.70 | ≤2.70 | 3.60---5.00 | ≤0.20 | Operating Tem. | ºC | -10~ +70 |
| 50/50 | 2.90---3.80 | 2.80---4.00 | Storage Tem. | ºC | -40~ +85 |
Application
1 FTTH, LAN, PON & Optical CATV
2 Local Ring Network
3 Optical fiber communication system
4 Optical fiber test equipment
5 Optical fiber sensor
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