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The 1*16 PM Fiber Splitter (Polarization-Maintaining 1*16 Fiber Splitter) is an equal-power splitting device based on panda-type polarization-maintaining fiber, which stably and evenly splits one input optical signal into 16 outputs. This product operates in the 420–456 nm band and is suitable for various short-wavelength visible/near-ultraviolet polarization-maintaining systems. The device features comprehensive performance including low insertion loss, good extinction ratio, high return loss, and high directivity, and can be selected for slow-axis only or fast-axis application to meet different optical path design requirements. The standard configuration includes PM Panda fiber + 1.0±0.1 m pigtail + FC/APC connector, with the connector keypad aligned to the slow axis by default for consistent polarization direction within the system.
2. Product Advantages
Multi-channel equal power distribution, simple structure Utilizing a 1*16 structure, one input beam can be evenly split into 16 output beams, suitable as a front-end splitter for multi-point detection, multi-channel sensing, or multi-parallel signals, simplifying system optical path design.
Low insertion loss and loss uniformity Typical excess loss ≤19 dB, and loss uniformity across channels ≤1.6 dB, which helps maintain similar output power across branches, facilitating unified calibration of subsequent circuits and algorithms, and reducing inter-channel compensation workload.
Good extinction ratio, reliable polarization preservation capability Polarization extinction ratio ≥12 dB, providing a certain polarization preservation capability in the 420–456 nm band; simultaneously, the device supports slow-axis only operation or fast-axis application, ensuring connector key alignment with the slow axis, which is beneficial for establishing a unified polarization reference direction in polarization-sensitive systems.
High Return Loss and High Directivity Return loss ≥55 dB and directivity ≥50 dB effectively suppress end-face reflections and crosstalk between ports, protecting the pre-amplifier and precision sensing devices, and improving the system's signal-to-noise ratio and long-term stability.
Good Power and Environmental Adaptability Maximum power handling capacity ≤0.3 W, operating temperature -5～+65 ℃, storage temperature -40～+80 ℃, suitable for long-term online use in laboratory, computer room, and general industrial environments.
Simple Selection and Strong Interface Compatibility Standard configuration uses Panda polarization-maintaining fiber, 1 m pigtail, and FC/APC connectors. Different sheaths such as 250 μm bare fiber, 0.9 mm, 2.0 mm, and 3.0 mm are available, along with various connectors such as FC/SC/LC, facilitating seamless integration with existing platforms.
3. Product Features (Key Features)
Parameters
Unit
PM 1x16
Operating Wavelength
nm
420-456
Typical Excess Loss
nm
≤19
Polarization Extinction Ratio
dB
≥12
Loss Uniformity
dB
≤1.6
Return Loss
dB
≥55
Power Handling
W
≤0.3
Directivity
dB
≥50
Operating Temperature
℃
-5~+65
4. Package Outline
Module Form Factor:
The 2.0 mm / 3.0 mm loose tube version is a BOX package, with dimensions of approximately 120 * 80 * 18 mm, integrating a 1*16 branch structure internally, suitable for tray or chassis mounting.
Fiber Optics and Pigtails:
Fiber Type: Panda PM Fiber
Standard Pigtail Length: 1.0 ±0.1 m, longer or special lengths can be customized upon request.
Sheath Options:
02 = 250 μm bare fiber
09 = 0.9 mm Tube
20 = 2.0 mm Tube
30 = 3.0 mm Tube
XX = Other custom structures
Connectors and Polarization Alignment:
Default Connector: FC/APC, FC/UPC, SC/UPC, SC/APC, LC/UPC, LC/APC, or connectorless connectors can also be selected depending on the project.
Default Connector Key and Slow Axis Alignment: The datasheet diagrams provide various PM orientation configurations to facilitate consistent polarization direction within the system and reduce the probability of installation errors.
Ordering Information Example:
Example Model PMOS-16435PM0910-22(S5): Indicates a 1*16 equal-power polarization-maintaining splitter, 420–456 nm operating wavelength, 120*80*18 mm box package, 0.9 mm Hytrel white sleeve, 1 m pigtail, dual-ended FC/APC connector, key alignment slow axis, maximum power 300 mW.
5. Applications
EDFA (Erbium-Doped Fiber Amplifier)
Fiber Optic Instrument
Coherent Communication
Power Monitoring
Fiber Sensor
FAQ
Q1: What is the operating wavelength of this 1×16 polarization-maintaining fiber optic splitter?
A: This product operates in the wavelength range of 420–456nm, suitable for short-wavelength polarization-maintaining optical systems, and can meet the multi-channel splitting requirements in specific wavelength bands.
Q2: What are the main performance characteristics of this product?
A: This product features low insertion loss, high stability, and high reliability, supporting both slow-axis and fast-axis applications. Key parameters include: polarization extinction ratio ≥12dB, loss uniformity ≤1.6dB, return loss ≥55dB, directivity ≥50dB, and maximum power handling ≤0.3W.
Q3: Does this product support customization?
A: Customization is supported. Customers can choose the fiber sheath, fiber length, connector type, and packaging according to their needs. The standard fiber length is 1.0±0.1m. The default connector is FC/APC, but other connectors can be provided upon request. The default connector key alignment is with the slow axis.
