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1x3 Branch type PLC Splitter high return loss for FTTH system
Fiber Optic PLC Splitter Description
According to the principle, fiber optic splitters can be divided into Fused Biconical Taper (FBT) splitter and Planar Lightwave Circuit (PLC) splitters.
The FBT splitter is one of the most common. FBT splitters are widely accepted and used in passive networks, especially for instances where the split configuration is smaller (1x2, 1X4, 2x2, etc.).[1]
The PLC is a more recent technology. PLC splitters offer a better solution for larger applications. Waveguides are fabricated using lithography onto a silica glass substrate, which allows for routing specific percentages of light. As a result, PLC splitters offer accurate and even splits with minimal loss in an efficient package.
Fiber Optic PLC Splitter Features
Fiber Optic PLC Splitter Application
Fiber Optic PLC Splitter Parameters
| Parameter | 1X4 | 1X8 | 1X16 | 1X32 | 1X64 |
| Working wavelength (nm) | 1260-1650 | ||||
| Fiber type | G657A1 or customized | ||||
| Insertion loss (dB) | 7.2 | 10.2 | 13.5 | 16.8 | 20.1 |
| Uniformity (dB) | ≤0.5 | ≤0.8 | ≤1.0 | ≤1.5 | ≤1.8 |
| Polarization dependent loss (dB) | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.3 | ≤0.35 |
| Return loss (dB) | ≥55 | ||||
| Directionality (dB) | ≥55 | ||||
| Fiber length (m) | 1.0 or customized | ||||
| Temperature stability (dB) | -40℃--85℃(≤0.5) | ||||
| Working temperature °C | -40℃--85℃ | ||||
| Storage temperature °C | -40℃--85℃ | ||||
| Maximum power (nW) | 1000 | ||||
Note: The above IL is without the connector parameters.
1XN with connector optical splitter insertion loss in the above
requirements in addition to 1X2 increase does not exceed 0.2dB, the
remaining increase does not exceed 0.3dB.
| Parameter | 2X4 | 2X8 | 2X16 | 2X32 | 2X64 |
| Working wavelength (nm) | 1260-1650 | ||||
| Fiber type | G657A1 or customized | ||||
| Insertion loss (dB) | 7.5 | 10.5 | 13.8 | 17.1 | 20.4 |
| Uniformity (dB) | ≤1.0 | ≤1.0 | ≤1.5 | ≤1.5 | ≤2.0 |
| Polarization dependent loss (dB) | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.3 | ≤0.35 |
| Return loss (dB) | ≥55 | ||||
| Directionality (dB) | ≥55 | ||||
| Fiber length (m) | 1.0 or customized | ||||
| Temperature stability (dB) | -40℃--85℃(≤0.5) | ||||
| Working temperature °C | -40℃--85℃ | ||||
| Storage temperature °C | -40℃--85℃ | ||||
| Maximum power (nW) | 1000 | ||||
Note: The above IL is without the connector parameters.
2XN with connector optical splitter insertion loss increased by no
more than 0.3dB in the above requirements.
Fiber Optic PLC Splitter Detailed Specification
PLC Splitter-Branch type-Seacent Photonics.pdf
