1.5 µm Single-Frequency Fiber Laser
The 1.5 µm single-frequency fiber laser is designed for applications demanding high spectral purity, stable single-frequency operation, and long-term reliability. Utilizing an optimized resonator design and advanced fiber components, it provides ultra-narrow linewidth, low phase noise, and excellent coherence.
This laser is ideal for coherent communication, fiber sensing, and precision measurement systems.
Key Features
- Ultra-narrow linewidth
- High coherence and frequency stability
- Low phase noise
- Compact and easy-to-integrate design
- Reliable long-term operation
Application Areas
- Coherent optical communication
- Fiber-optic sensing
- Precision metrology
- Scientific research
Product Information
1.5 µm Single-Frequency Fiber Laser
The 1.5 µm single-frequency fiber laser is designed for applications demanding high spectral purity, stable single-frequency operation, and long-term reliability. Utilizing an optimized resonator design and advanced fiber components, it provides ultra-narrow linewidth, low phase noise, and excellent coherence. This laser is ideal for coherent communication, fiber sensing, and precision measurement systems.
Key features
Highlights- ✓Narrow linewidth output (sub-kHz depending on model)
- ✓Stable single-frequency operation with minimal mode hopping
- ✓High coherence length for interferometry and sensing
- ✓Low amplitude and phase noise for high SNR
- ✓Compact, all-fiber architecture with rugged construction
- ✓Eye-safe wavelength suitable for outdoor and free-space use
- ✓Wavelength: centered near 1550 nm (tunable or fixed options)
- ✓Linewidth: sub-kHz (model dependent)
Applications
Use casesProduct Deep Dive
Discover the innovative engineering and superior performance that define our laser systems.
Overview of 1.5 µm Fiber Laser Technology
Fiber lasers operating in the 1.5 µm band are recognized for reliability, long-distance propagation capability, and superior stability. Techwin’s 1.5 µm single-frequency systems deliver extremely pure spectral output ideal for high-coherence applications.
Key Features
- Narrow linewidth output (sub-kHz depending on model)
- Stable single-frequency operation with minimal mode hopping
- High coherence length for interferometry and sensing
- Low amplitude and phase noise for high SNR
- Compact, all-fiber architecture with rugged construction
- Eye-safe wavelength suitable for outdoor and free-space use
Technical Advantages
The 1.5 µm range offers low attenuation in standard fiber, excellent environmental stability, and compatibility with telecom-grade components—making it ideal for long-distance propagation, trace-gas detection, and coherent communications.
Performance Specifications (typical)
- Wavelength: centered near 1550 nm (tunable or fixed options)
- Linewidth: sub-kHz (model dependent)
- Output Power: multiple power classes available
- Polarization: PM / linear with high PER
- Frequency Stability: excellent short- and long-term stability
Applications
The 1.5 µm single-frequency series supports distributed acoustic sensing (DAS), coherent LIDAR, optical metrology, fiber sensing, spectroscopy, telecom research, and industrial measurement systems.
Product Variants & Configurations
- Benchtop units with full control interfaces
- OEM fiber-coupled modules for integration
- High-power free-space or fiber-coupled options
- Wavelength-locked solutions for fixed-reference applications
Integration & Environmental Tolerance
Interfaces include standard fiber connectors, modulation and monitoring ports, and optional Ethernet/serial control. Systems include temperature regulation and mechanical rigidity for field deployment and low-maintenance operation.
Quality Control, Service & Support
Each unit undergoes rigorous testing for frequency stability, linewidth, power consistency, and long-term endurance. Techwin provides technical consultation, calibration, warranty and integration support to help match the system to your application requirements.
The 1.5 µm single-frequency fiber laser is designed for applications demanding high spectral purity, stable single-frequency operation, and long-term reliability. Utilizing an optimized resonator design and advanced fiber components, it provides ultra-narrow linewidth, low phase noise, and excellent coherence. This laser is ideal for coherent communication, fiber sensing, and precision measurement systems.
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