Q: What is bare fiber PLC splitter?
A: A bare fiber PLC splitter is a type of splitter with no connectors or adapters attached to it. It is called “bare” because it consists of a planar lightwave circuit (PLC) chip that is mounted on a small substrate board, with input and output fibers on either side. These fibers are stripped of their protective coatings and are cleaved and polished to ensure that they have smooth and flat end faces.
|Steel Tube, Bare Fiber
|1xN: 1×2, 1×4, 1×8, 1×16, 1×32, 1×64; 2XN: 2×2, 2×4, 2×8, 2×16, 2×32, 2×64
|G.657A1 or customer specified
|FTTX Systems, CATV Systems, etc.
|-40 to 85 ℃
Step 1: Consider the costs, performances & applications, and environments, choose which type of fiber optic splitter you’ll need, there are generally two types of fiber optic splitters: FTB Coupler and PLC Splitter.
FBT coupler is a fiber optic splitter made by fusing and stretching two or more optical fibers together to create a tapered region that splits and distributes the input signal between output fibers. FBT couplers are commonly used in fiber optic networks, but they have some limitations such as limited bandwidth and higher insertion loss.
PLC Splitter is highly preferred over the FBT splitter due to its numerous advantages such as its flexibility in working wavelength, high stability, low-temperature loss, and reduced failure rate. In recent times, PLC splitters are compact and can be integrated into small packages, making them ideal for use in optical communication systems where space is limited. There are several types of PLC (Planar Lightwave Circuit) splitters, which differ in terms of their design and functionality.
The difference between FTB Coupler and PLC Splitter
|850nm, 1310nm, 1550nm
|1260nm -1650nm (full wavelength)
|CATV Systems, PON, FTTx Networks, etc.
|CATV Network Systems, PON, FTTx Networks, etc.
|1×8 (can be larger with a high failure rate)
|1×64 (equal to all branches providing high reliability)
|Branches Split Attenuation
|Equal or unequal division, customized
|Equal splitter ratios(non-customized)
|One or two inputs with an output maximum of 32 fibers.
|One or two inputs with an output maximum of 64 fibers.
|-5 to 75℃
|-40 to 85 ℃
|Higher than FBT Coupler
|Used for simple signal splitting
|Used for more complex and precise signal splitting in higher-capacity communication systems
Bare fiber PLC Splitter
Micro PLC Splitter
ABS Box PLC Splitter
LGX Box PLC Splitter
Rack Mount PLC Splitter
Specification of PLC Splitter
1xN PLC Splitter
2xN PLC Splitter
Step 2: Choose the right fiber type, The splitter should be compatible with the fiber type you are using, whether it is single-mode or multimode.
Step 3: Decide which Splitting Ratio you’ll need in your network: The splitting ratio determines how many outputs are needed per input. Common splitting ratios include 1:2, 1:4, 1:8, 1:16, 1:32, etc. Make sure to choose the appropriate splitting ratio based on your specific needs.
Step 4: Determine how many ports you require. Splitters are available in various configurations, ranging from one input and two outputs to one input and 64 outputs or more.
Step 5: Select the input and Output Connectors, the most common connector types are SC, LC, and FC.
Step 6: Choose the polish type of connectors. There are two types of connector polish, UPC and APC.
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