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2.0μm High-Power Single-Frequency Laser (2–20W)
High-power 2.0μm single-frequency fiber laser delivering 2–20W CW output with narrow linewidth, excellent coherence, and stable performance for atmospheric sensing, spectroscopy, medical research, and advanced communication systems.
Key Features
- 2–20W continuous-wave single-frequency output at 2.0μm
- Narrow linewidth with high spectral purity and low phase noise
- Near diffraction-limited TEM₀₀ beam quality for efficient coupling
- Stable long-term performance with integrated thermal management
- Compact, fiber-delivered architecture for OEM and research integration
Application Areas
- Atmospheric sensing and long-range lidar
- Gas detection and pollution monitoring
- Medical and biological research in mid-IR bands
- High-resolution absorption spectroscopy
- Optical communication and coherent experiments
- Industrial materials research and metrology


Product Information


2.0μm High-Power Single-Frequency Laser (2–20W)
High-power 2.0μm single-frequency fiber laser delivering 2–20W CW output with narrow linewidth, excellent coherence, and stable performance for atmospheric sensing, spectroscopy, medical research, and advanced communication systems.
Key features
Highlights- ✓Narrow linewidth and high frequency stability for precise detection and measurement tasks
- ✓Scalable power output from 2W to 20W for laboratory setups and field-ready systems
- ✓High beam quality with stable TEM₀₀ propagation supporting efficient coupling and material interaction research
- ✓Long-term operation reliability using robust thermal control and stabilized internal architecture
- ✓Compact form factor with fiber output and multiple control interfaces for simple integration into OEM and research platforms
- ✓Wavelength: 2.0μm range (mid-infrared)
- ✓Output power: 2W to 20W CW single-frequency
- ✓Spectral linewidth: sub-MHz class (model-dependent)
Applications
Use casesProduct Deep Dive
Discover the innovative engineering and superior performance that define our laser systems.
2.0μm high-power single-frequency laser (2–20W)
The 2.0μm high-power single-frequency laser (2–20W) is designed for users who require narrow-linewidth, stable, and precise fiber laser sources in demanding scientific, industrial, and environmental applications. It offers long-term reliability, accurate spectral performance, and scalable power, making it suitable for atmospheric detection, optical sensing, spectroscopy, materials research, and advanced optical communication setups.
What Is a 2.0μm High-Power Single-Frequency Laser?
A 2.0μm high-power single-frequency laser (2–20W) is a specialized fiber laser source that delivers narrow-linewidth emission in the 2.0μm wavelength range with excellent coherence and power stability. Typically operating in continuous-wave mode, it maintains a single longitudinal mode and is optimized for applications where the strong absorption of water vapor and gases around 2μm supports sensing, lidar, and medical-related optical systems.
Key Features
- Narrow linewidth and high frequency stability for precise detection and measurement tasks
- Scalable power output from 2W to 20W for laboratory setups and field-ready systems
- High beam quality with stable TEM₀₀ propagation supporting efficient coupling and material interaction research
- Long-term operation reliability using robust thermal control and stabilized internal architecture
- Compact form factor with fiber output and multiple control interfaces for simple integration into OEM and research platforms
Technical Specifications Overview
- Wavelength: 2.0μm range (mid-infrared)
- Output power: 2W to 20W CW single-frequency
- Spectral linewidth: sub-MHz class (model-dependent)
- Beam mode: near diffraction-limited TEM₀₀ spatial profile
- Frequency stability: high stability with low noise for long-duration operation
- Power stability: typically <1% over extended operation periods
- Cooling: air-cooled or integrated thermal design depending on configuration
- Interface options: RS232, Ethernet, analog, or other control interfaces (model-dependent)
How the Technology Works
This 2.0μm high-power single-frequency platform relies on advanced thulium- and holmium-doped fiber amplification in combination with a stable single-frequency seed laser. Optimized pump diodes, fiber gain design, optical isolators, and feedback control modules are integrated with a temperature-controlled housing to maintain single-frequency emission and wavelength stability, even during long-term high-power operation.
Core Components
- Single-frequency seed laser for narrow-linewidth output
- Gain fiber optimized for efficient 2μm operation
- Thermally stabilized pump diodes
- Polarization-maintaining fiber paths for coherent systems
- Optical isolators and feedback control modules for stability
- Temperature-controlled housing to support long-duration use
Applications
- Atmospheric sensing and lidar including long-range lidar, wind measurement, and pollution or gas monitoring
- Medical and biological research where 2μm absorption features align with tissue and water-rich environments
- Optical communication research, coherent detection, and laboratory transmission experiments
- High-resolution absorption spectroscopy, line analysis, and molecular studies
- Industrial and materials science applications including thermal processing research and precision alignment or metrology tasks
Advantages of the 2.0μm Range
- Improved safety profile compared to shorter wavelengths, supporting eye-safer operation in long-range applications
- High absorption in water vapor and specific gases for enhanced environmental sensing sensitivity
- Reduced scattering in certain atmospheric conditions, which contributes to improved signal accuracy and measurement reliability
Why Choose This Product Category
- Reliable long-term operation engineered to minimize noise and maintain consistent output in demanding environments
- Flexible integration options with fiber-coupled output, multiple interface selections, and easy local or remote control
- Customizable solutions for power levels, linewidth, stability, and environmental tolerance to match specific project needs
- Supported by experienced fiber laser manufacturing expertise in Hangzhou City, with strong background in narrow-linewidth laser development
Installation and Operating Guidelines
- Position the unit on a stable surface with adequate airflow, avoiding high-dust or high-vibration environments
- Use clean, stable power input to maintain optical performance and reduce electrical noise
- Handle fiber outputs carefully, observing minimum bend radius and protecting connectors with dust caps
- Maintain recommended operating temperature range; internal thermal management is optimized but benefits from a controlled external environment
- Perform routine care including connector inspection, monitoring operating logs, and checking temperature parameters for stable operation
Buying Considerations
- Required output power within the 2W–20W range and associated duty cycle
- Preferred linewidth and frequency stability based on application sensitivity
- Beam quality and coupling requirements for free-space or fiber-based setups
- Integration needs such as software interfaces, communication protocols, and OEM mechanical options
- Environmental conditions including temperature, vibration, and installation location
- Long-term stability expectations and maintenance plans for the complete system
About the Supplier
The 2.0μm high-power single-frequency laser (2–20W) series is manufactured by Techwin in Hangzhou City. Techwin develops narrow-linewidth fiber lasers for professional research institutions, OEM integration, and advanced industrial applications, offering technical consultation, customized specifications, and detailed data sheets to support system design and configuration.
Contact for Details or Orders
For inquiries, specifications, or quotation requests, please contact the Techwin support team at +86-13958180450. Support is available for research institutions, industrial users, OEM integrators, and long-term project partners who require high-performance 2.0μm single-frequency laser solutions.
Final Summary
The 2.0μm high-power single-frequency laser (2–20W) category provides reliable, precise, and stable performance for demanding sensing, spectroscopy, communication research, and industrial experimentation. With narrow-linewidth output, scalable power options, high beam quality, and robust long-operation stability, it offers a dependable solution for professional users who require accurate and consistent mid-infrared laser characteristics, backed by technical customization and integration support.


High-power 2.0μm single-frequency fiber laser delivering 2–20W CW output with narrow linewidth, excellent coherence, and stable performance for atmospheric sensing, spectroscopy, medical research, and advanced communication systems.
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