1.5μm high-power single-frequency laser (20~120W)

High-power fiber lasers operating at the 1.5μm wavelength range are widely chosen for applications that require stable output, excellent beam quality, narrow linewidth performance, and long-term reliability. The 1.5μm high-power single-frequency laser (20~120W) supports demanding industrial, scientific, and defense-related tasks where precision and stability are essential, providing a dependable high-coherence light source with minimal noise for controlled environments.

Overview of 1.5μm High-Power Fiber Laser Technology

The 1.5μm wavelength region offers excellent atmospheric transmission, eye-safer characteristics, and stable propagation in free-space optical setups. This makes the 1.5μm high-power single-frequency laser (20~120W) suitable for a wide range of environments where precision and safety factors must be balanced. Single-frequency operation ensures extremely narrow spectral width, minimal frequency drift, and long coherence length, making this series well-suited for detection, ranging, coherent communication, and experimental physics applications.

Key Features

• Single-frequency output providing narrow linewidth for high-precision applications
• Long coherence length ideal for coherent detection and interferometric measurement
• Stable frequency operation supported by advanced internal control electronics
• High-power output range from 20W to 120W for laboratory and field-level integration
• High optical conversion efficiency supporting energy-efficient system design
• Outstanding beam quality with near-diffraction-limited profile and excellent pointing stability
• Consistent collimation suitable for both free-space and fiber-coupled usage
• Reliable fiber-based structure with limited alignment requirements and strong mechanical stability
• Long-term operational stability with efficient thermal management and minimal environmental sensitivity
• Designed for demanding indoor and outdoor environments with vibration-resistant configuration and internal protections for optical components

Technical Specifications (General Reference)

• Wavelength: 1550 nm range (single-frequency operation)
• Output power options: 20W to 120W levels depending on model configuration
• Spectral linewidth: narrow single-frequency linewidth for precision applications
• Beam quality: near-Gaussian beam profile with high spatial quality
• Polarization: linear with stable polarization ratio for coherent systems
• Operation mode: CW single-frequency operation
• Cooling: efficient heat management design optimized for high-power use
• Interface: standardized control panels and interfaces for easy system integration
• Power stability: stable optical output maintained over long durations of operation

Applications

• LIDAR and ranging systems for high-precision ranging, terrain mapping, object detection, and autonomous system testing
• Coherent communications using free-space optical links where stability and long coherence length are critical
• Industrial precision processing requiring gentle material interaction with reduced thermal impact
• Atmospheric and environmental monitoring for gas sensing, remote detection, and climate observation
• Scientific research including interferometry, spectroscopy, and controlled optical experiments
• Defense and security systems benefiting from eye-safer wavelength and stable high-power output for long-range sensing and secure links

Why Choose This Sub-Category of High-Power Fiber Lasers

This sub-category is ideal for users who require reliable single-frequency output at 1.5μm with power flexibility from 20W to 120W. Many organizations consider these lasers core components of long-term photonics platforms due to their stability, fiber-based architecture, and durability in varied environments. They provide stable, narrow spectral emission and mechanical reliability, which are essential for maintaining performance across numerous operating cycles.

Advantages for System Integrators

• Practical integration using standard fiber and control interfaces
• Low maintenance requirements supported by robust internal construction
• Predictable, steady output that simplifies system design and calibration
• Minimally divergent beam suitable for controlled delivery and accurate focusing
• Consistent wavelength stability across the entire power range up to 120W
• Strong foundation for long-term equipment design and operational consistency in critical applications

Manufacturing and Quality Considerations

• Assembled using controlled processes to ensure reliable integration of photonic components
• Each unit passes consistent quality inspections for optical, thermal, and mechanical performance
• Detailed testing for spectral stability and thermal behavior under extended operation
• Mechanical durability evaluation to verify performance in demanding environments
• Quality procedures designed to maintain consistent behavior from batch to batch

Support, Customization, and Application Guidance

• Custom options for modified output power levels to match specific system requirements
• Selectable spectral stabilization features for frequency-critical applications
• Flexible optical coupling configurations and fiber output options
• Control interface adaptations for different control platforms and integration needs
• Mechanical and housing customization to fit system size and installation constraints
• Application guidance for safety, system wiring, thermal management, and field deployment

Conclusion

The 1.5μm high-power single-frequency laser (20~120W) series combines stable single-frequency output, a high-power range, and excellent beam quality to support organizations requiring precise optical performance across diverse fields. With strong mechanical design, efficient thermal control, and comprehensive technical support, it is well-suited for long-term use in LIDAR, coherent communications, environmental monitoring, precision processing, and advanced research applications.