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Description

7x1 Multimode Pump Combiner – DK Photonics

The 7x1 Multimode Pump Combiner from DK Photonics is engineered to deliver outstanding performance in high-power fiber laser and amplifier systems. This advanced optical component efficiently merges the output from up to seven multimode pump lasers into a single fiber, enabling the delivery of high optical power with minimal loss and exceptional stability. Designed for demanding industrial and research environments, this combiner is ideal for applications requiring reliable power scaling and robust energy transfer.

Utilizing precision fusion technology, the 7x1 Multimode Pump Combiner ensures high transfer efficiency and wavelength insensitivity across the 800–1000 nm range. The device supports a variety of fiber types, including standard multimode, no-core, and large mode area (LMA) double-clad fibers, providing flexibility for integration into diverse laser architectures. Its customizable configuration allows users to specify input and output fiber parameters, as well as power handling capabilities, making it suitable for both standard and specialized setups.

This pump combiner is particularly well-suited for high-power fiber laser construction, direct diode materials processing, and pump cascading in kW-class systems. Its robust design supports power handling per multimode port up to 100W or higher (with custom options available), ensuring reliable operation even in the most demanding conditions. The combiner’s compact form factor and high return loss further enhance its suitability for integration into advanced photonic systems.

DK Photonics’ 7x1 Multimode Pump Combiner stands out for its combination of high optical performance, adaptability, and durability. Whether for industrial manufacturing, scientific research, or advanced laser development, this component provides a dependable solution for efficient power combination and delivery in modern photonics applications.

Multimode Pump Combiner 7x1

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Specifications

Splitting Ratio: Other
Central Wavelength: 1000 nm
Power Handling: > 100mW
Return Loss: 40 dB
Pump Operating Wavelengths: 800-1000nm
Number Of Multimode Inputs: 7
Number Of Output Ports: 1
Return Loss - Pumps: 35dB
Operating Temperature: 0~75℃
Storage Temperature: -40~85℃
Power Per Multimode Input: 20W
Input Fiber Core/Cladding/NA: 105/125µm, 0.22NA

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Features

  • High Transfer Efficiency: Optimized design ensures minimal power loss and maximum brightness conservation during pump power combination.
  • Wavelength Insensitive: Operates efficiently across a broad pump wavelength range of 800–1000 nm, suitable for various laser diode sources.
  • High Power Handling: Supports up to 100W per multimode input (customizable to 200W or higher), enabling robust performance in high-power fiber laser systems.
  • Custom Configurations Available: Flexible Nx1 design (2x1, 3x1, 4x1, 7x1, 19x1, 37x1, etc.) with customizable pump fiber, output fiber type, and configuration to meet specific application needs.
  • Exceptional Optical Characteristics: Low insertion loss and high return loss (≥35 dB) for superior signal integrity and system reliability.
  • Versatile Output Fiber Options: Compatible with energy-transmitting fibers, no-core fibers, or LMA double-clad fibers for seamless integration with various fiber laser architectures.
  • ROHS Compliant: Manufactured in accordance with environmental and safety standards for global compatibility.
  • Wide Operating Temperature Range: Reliable performance from 0°C to 75°C; storage temperature from -40°C to 85°C for demanding environments.
  • Compact and Robust Design: All combiners supplied with bare fiber and 0.8m pigtail length by default; special requests accommodated on demand.
  • Broad Application Scope: Ideal for fiber lasers, fiber laser combination, kW-class fiber lasers, industrial laser systems, and research applications.
  • Easy Integration: Designed for seamless splicing with matched doped LMA double-cladding fibers and other standard fiber types.
  • Proven Reliability: Manufactured by DK Photonics, a trusted supplier with a track record of high-quality photonics components.

Applications

  • High Power Fiber Laser Pumping
    Efficiently combines multiple pump laser sources to deliver high optical power for pumping single or multi-mode fiber lasers, including kW-class fiber lasers.
  • Direct Diode Materials Processing
    Enables direct diode laser applications in industrial materials processing, such as cutting, welding, and engraving, by providing high-brightness, high-power laser output.
  • Fiber Laser Combination
    Facilitates the combination of multiple fiber lasers to achieve higher output power for advanced industrial and research applications.
  • Pump Cascading in Fiber Amplifiers
    Used in multi-stage fiber amplifier systems to cascade pump power efficiently, supporting high-gain and high-power amplification.
  • Medical Laser Systems
    Supports high-power laser delivery in medical devices for surgery, dermatology, and phototherapy by combining multiple pump sources.
  • Scientific Research
    Ideal for laboratory setups requiring high-power, multi-wavelength, or custom laser configurations for spectroscopy, nonlinear optics, and other research fields.
  • Telecommunications
    Used in high-power optical amplifiers and signal boosting systems within fiber optic communication networks.
  • Defense and Aerospace
    Provides robust, high-power laser sources for directed energy systems, LIDAR, and remote sensing applications.
  • Test and Measurement Equipment
    Integrated into optical test benches and measurement systems that require stable, high-power laser sources.
  • Custom High-Power Laser Systems
    Enables the design and assembly of custom laser systems with specific power, wavelength, and fiber configuration requirements.

Frequently Asked Questions

What is a 7x1 multimode pump combiner from DK Photonics?
The 7x1 multimode pump combiner from DK Photonics is a fiber optic device designed to combine the power from up to seven multimode laser sources into a single output fiber. This enables efficient power transfer for high-power fiber laser applications, such as materials processing and pump cascading.
What are the main applications of the DK Photonics 7x1 multimode pump combiner?
The DK Photonics 7x1 multimode pump combiner is primarily used in high-power fiber lasers, fiber laser combination, kW-class fiber lasers, and both industrial and research applications that require efficient and reliable power combining.
What are the key features of the DK Photonics 7x1 pump combiner?
Key features include high transfer efficiency, wavelength insensitivity, high power handling (customizable up to 200W or higher per port), ROHS compliance, and the ability to customize the number of input fibers, fiber types, and configurations.
What fiber types and configurations are available for the DK Photonics multimode pump combiner?
DK Photonics offers a wide range of configurations, including 2x1, 3x1, 4x1, 7x1, 19x1, and 37x1 pump combiners. The pump input fiber, output fiber type, and configuration (Nx1) can be customized to meet specific application requirements, including options for no core fiber or LMA double clad fiber.
What is the maximum power handling capability of the DK Photonics 7x1 pump combiner?
The standard power handling per multimode input port is available in 10W, 25W, 50W, and 100W options, with customization available for 200W or higher per port, depending on the application and fiber type.
What are the operating and storage temperature ranges for the DK Photonics 7x1 pump combiner?
The operating temperature range is 0°C to 75°C, and the storage temperature range is -40°C to 85°C, making it suitable for a variety of industrial and research environments.
How do I order or customize a DK Photonics multimode pump combiner?
To order or customize a DK Photonics multimode pump combiner, provide the correct part number (P/N) according to the ordering information and include a detailed description of your requirements. For special requests such as connector types or pigtail lengths, contact DK Photonics directly via their website or email.

Got more questions? Use the inquiry form to ask the supplier directly.

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