Product Description
The (2+1)x1 PM Pump Combiner (Model: KH-PM21) is an advanced optical component designed for use in high-power fiber laser systems such as the Raycus RFL-C1500 and IPG YLS-5000. This combiner allows efficient combination of two pump laser inputs and one signal laser input into a single output fiber, ensuring minimal insertion loss and high power-handling capabilities.
Key Features:
- Input Channels: 2 pump channels and 1 signal channel for maximum versatility.
- High Power Handling: Designed to handle power levels up to 500W per pump channel, ideal for demanding industrial applications.
- Polarization-Maintaining Design: Ensures excellent beam quality and polarization preservation, critical for precision laser systems.
- CE Certified: Complies with international safety and performance standards.
- Compact and Durable: Small form factor, robust design for integration into cutting-edge fiber laser systems.
Applications:
- High-Power Fiber Laser Systems:
- Raycus RFL-C1500 for material processing and welding.
- IPG YLS-5000 for cutting and precision machining.
- Industrial Laser Manufacturing: Supports applications such as drilling, welding, and marking.
- Scientific Research: Ideal for advanced optical experiments requiring stable and efficient light combination.
Technical Specifications:
Parameter | Value |
---|---|
Model | KH-PM21 |
Input Channels | 2 pump + 1 signal |
Output Channel | 1 combined output |
Max Power per Pump Input | 500W |
Operating Wavelength | 1064nm |
Insertion Loss | ≤0.5dB |
Polarization Extinction Ratio | ≥20dB |
Fiber Type | PM 1064 LMA or equivalent |
Dimensions | Compact and customizable |
Note:For device with connector, the power handling is only 1W,IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower. The default connector key is aligned to slow axis.
Benefits:
- Compatibility: Fully compatible with leading high-power laser systems such as Raycus RFL-C1500 and IPG YLS-5000.
- Reliable Performance: Tested for long-term stability under high-power conditions.
- Ease of Integration: Compact design simplifies installation in existing setups.
Machine/Model | Role | Function | Applications |
---|---|---|---|
Raycus RFL-C1500 | Combines pump and signal sources for stable laser operation. | Ensures high power delivery with minimal signal loss, enabling efficient material processing. | - Metal welding and cutting in automotive manufacturing. - Precision aerospace component fabrication. |
IPG YLS-5000 | Optimizes high-power, continuous-wave beam quality. | Maintains polarization for precision-heavy tasks requiring high beam quality. | - Cutting thick metal sheets for construction. - Laser cladding for industrial equipment. |
TruFiber Series | Enhances system performance by delivering high-power polarized beams. | Supports stable and efficient optical power distribution for intricate tasks. | - Precision engraving for medical devices. - Fine drilling in electronics. - 3D printing in additive manufacturing. |
Coherent HighLight FL-ARM | Facilitates multi-input beam integration while preserving beam quality. | Ensures reliable operation for large-scale industrial applications. | - Welding dissimilar materials for lightweighting. - Laser brazing for high-quality consumer goods. |
Applications Across Fields
Field | Applications |
---|---|
Automotive Industry | - Welding and cutting high-strength materials for vehicle manufacturing. - Surface texturing for improved aesthetics and functionality. |
Aerospace | - Drilling turbine blade cooling holes. - Cutting composite materials for aircraft and spacecraft. |
Medical Device Manufacturing | - Micro-precision welding for surgical instruments. - Production of stents and other implantable devices. |
Electronics | - Fine cutting of PCBs. - Marking electronic components with laser precision. |
Energy Sector | - Laser cutting and welding for renewable energy components. - Cladding for wear-resistant turbine parts. |
Industrial Manufacturing | - Large-scale additive manufacturing. - Laser cladding for industrial tools. |
Scientific Research | - Optical experiments requiring stable laser sources. - Materials processing for research and development. |










- specializes in high-power fiber components (PM coupling, isolation, pump combination, etc.). We offer professional customization for industrial, medical, and R&D clients worldwide.

Utilizing unique fiber drawing and packaging technology to achieve pump efficiency of over 93%, supporting various fibers and packaging sizes to meet customized needs.
Couplers / Splitters
Offering low insertion loss and high directivity coupling solutions, supporting stable operation of optical communication systems and optical testing systems.
Isolators
Particularly suitable for test instruments, Raman fiber lasers, ultrafast fiber lasers, etc., characterized by low insertion loss, high return loss, and high isolation.

Q1: What is the warranty?
A1: Our products typically come with a one-year warranty. During the warranty period, if the product fails due to manufacturing defects or material issues, we will provide repair or replacement services free of charge. The warranty does not cover damage caused by misuse, mishandling, or failure to follow the operating instructions.
Q2: What is the packaging?
A2: Our products are packaged with professional shockproof and protective materials to ensure they are not damaged during transportation. Typically, the packaging includes anti-static bags, foam padding, and sturdy cardboard boxes for multiple layers of protection. For special products, we can also provide customized packaging according to customer requirements.
Q3: How do I know if this product is exactly what I need?
A3: Before purchasing, you can determine if the product meets your needs through the following ways:
- Product Manual: Carefully read the product manual and technical specifications.
- Technical Support Consultation: Contact our technical support team with your specific application requirements, and we will recommend suitable products for you.
- Sample Testing: For bulk purchases, we can provide samples for you to test and evaluate.
- Customer Reviews: Check other customers' reviews and feedback.
Q4: How do you maintain quality?
A4: We ensure product quality through the following methods:
- Strict Raw Material Selection: Only select high-quality raw material suppliers.
- Advanced Production Equipment: Use modern, precise production equipment and technology.
- Quality Control System: Establish a comprehensive quality control system, with strict quality inspections at each stage from raw material intake to product dispatch.
- Professional Team: Employ experienced engineers and technicians responsible for production and quality management.
- Continuous Improvement: Continuously collect customer feedback to improve product design and manufacturing processes, enhancing product performance and reliability.