820~880nm(300mW) Polarization-Maintaining Polarization Beam Combiner/Splitter
The polarization beam combiner/splitter is a passive optical device that separates or combines beams using polarization characteristics such as linear or circular polarization. Optical media, including crystals, multilayer dielectric films, or gratings, use birefringence or polarization-selective reflection/transmission to produce different refractive indices or reflection angles for different polarizations, enabling separation or combination. Note: Wuhan Guanghong Technology Co., Ltd. customizes polarization beam combiners/splitters in various specifications.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Center wavelength [Polarization Beam Combiner/Splitter Technical Table] | 820/850/880 |
| Operating bandwidth [Polarization Beam Combiner/Splitter Technical Table] | ±20 nm |
| Insertion loss [Polarization Beam Combiner/Splitter technical table; PBC (2×1); Working axis type=0,1,2; for each added connector: IL increases by 0.80dB at 780–850nm; RL decreases by 5dB; ER decreases by 3dB at 780–850nm] | ≤1.2 dB |
| Insertion loss [Polarization Beam Combiner/Splitter technical table; PBS (1×2); Working axis type=1; for each added connector: IL increases by 0.80dB at 780–850nm; RL decreases by 5dB; ER decreases by 3dB at 780–850nm] | ≤1.2 dB |
| Insertion loss [Polarization Beam Combiner/Splitter technical table; PBS (1×2); Working axis type=0; un-polarized light input; for each added connector: IL increases by 0.80dB at 780–850nm; RL decreases by 5dB; ER decreases by 3dB at 780–850nm] | ≤4.2 dB |
| Insertion loss [Polarization Beam Combiner/Splitter technical table; PBS (1×2); Working axis type=2; polarized light input; for each added connector: IL increases by 0.80dB at 780–850nm; RL decreases by 5dB; ER decreases by 3dB at 780–850nm] | ≤4.2 dB |
| Extinction ratio [Polarization Beam Combiner/Splitter technical table; for PBS; for each added connector: IL increases by 0.80dB at 780–850nm; RL decreases by 5dB; ER decreases by 3dB at 780–850nm] | ≥22 dB |
| Return loss [Polarization Beam Combiner/Splitter technical table; for each added connector: IL increases by 0.80dB at 780–850nm; RL decreases by 5dB; ER decreases by 3dB at 780–850nm] | ≥50 dB |
| Directivity [Polarization Beam Combiner/Splitter Technical Table] | ≥50 dB |
| Handling power [Polarization Beam Combiner/Splitter Technical Table] | ≤300 mW |
| Fiber type [Polarization Beam Combiner/Splitter Technical Table ; Connector Key Aligned with the Slow Axis by Default] | Port 1&2: PM Panda Fiber；Port 3: PM Panda Fiber or SM Fiber |
| Operating temperature [Polarization Beam Combiner/Splitter Technical Table] | -5~+70 ℃ |
| Storage temperature [Polarization Beam Combiner/Splitter Technical Table] | -40~+85 ℃ |
| Dimensions [Polarization Beam Combiner/Splitter Technical Table] | Φ5.5×L35 or Φ3.0×L25 |
Applications
Key Features
Datasheet
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Supplier Information
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