780nm(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.
Specification Snapshot
Center wavelength [Polarization Beam Combiner/Splitter Technical Table]
780 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]
≤1.5 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]
≤1.5 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]
≤4.5 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]
≤4.5 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
Request a Quote
Download Datasheet
Overview
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.
Specifications
| Parameter | Value |
|---|---|
| Center wavelength [Polarization Beam Combiner/Splitter Technical Table] | 780 nm |
| 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] | ≤1.5 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] | ≤1.5 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] | ≤4.5 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] | ≤4.5 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
Fiber Optic Amplifier Fiber Laser Fiber-Optic Sensing Applications Fiber Optic Communication System Laboratory Research, etc.
Key Features
High stability; high reliability; low insertion loss; wide wavelength range; high polarization extinction ratio
Datasheet
Please provide your email to download the datasheet.
Your name
Email Address
Invalid email format. Please try again.
Send Request
Supplier Information
Wuhan Guanghong Technology Co., Ltd. focuses on the research, development, production, sales, and customized services of passive fiber optic devices, and is a high-tech enterprise. Its products include fiber isolators, couplers, combiners, collimators, mode field adapters, cladding strippers, circulators, wavelength division multiplexers, Faraday mirrors, variable optical attenuators, etc., which can be customized with different wavelengths and power specifications, and are applied in optical communications, industrial lasers, fiber sensing, data centers, quantum communications, and other fields. Relying on a mature R&D system, standardized dust-free workshop, and strict testing procedures, the company adheres to quality first, providing professional technology and rapid response, becoming a trustworthy partner in passive fiber optic devices.
Contact Us
Loading...
GetExperimental Plan
Name
Phone
+86
Organization
Use Case

Global Photonics Products
Database Platform
Database Platform
With 16 years of experience, we provide high-quality products and services to universities, research institutes, and industry.
50+ Detailed Categories · 3,000+ Global Brands · 100,000+ Photonics Products
1 Million+
In-depth analysis of professional academic resources in photonics
300,000
ProductsDatasheets Available Free
We will keep your personal information strictly confidential.
Product Quote
+86
* Select the quoting party:
By submitting, you agree to the User Service Agreement and Privacy Policy