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1.0 µm Single-Frequency Fiber Laser
The 1.0 µm single-frequency fiber laser is designed for applications requiring exceptional spectral purity, high coherence, and stable single-frequency operation. Featuring an advanced resonator structure and optimized fiber design, it delivers ultra-narrow linewidth performance with low noise and excellent long-term stability.
Its reliable output makes it suitable for precision measurement, coherent detection, fiber sensing, and a wide range of scientific research applications.
Key Features
- Ultra-narrow linewidth
- High coherence and frequency stability
- Strong environmental adaptability
- Low noise operation
- Excellent long-term reliability
Application Areas
- Precision measurement
- Coherent optical detection
- Fiber-optic sensing
- Scientific experimentation and research


Product Information


1.0 µm Single-Frequency Fiber Laser
The 1.0 µm single-frequency fiber laser is designed for applications requiring exceptional spectral purity, high coherence, and stable single-frequency operation. Featuring an advanced resonator structure and optimized fiber design, it delivers ultra-narrow linewidth performance with low noise and excellent long-term stability. Its reliable output makes it suitable for precision measurement, coherent detection, fiber sensing, and a wide range of scientific research applications.
Key features
Highlights- ✓Narrow linewidth output (kHz-level or better, model dependent)
- ✓Low intensity and phase noise for high SNR
- ✓High beam quality (M² near 1) for precise coupling
- ✓Robust thermal and vibration-resistant design
- ✓Long-term operational reliability for continuous use
- ✓Long coherence length for precision metrology
- ✓Reliable frequency control suitable for coherent LIDAR and seismic sensing
- ✓Efficient power stability across varying conditions
Applications
Use casesProduct Deep Dive
Discover the innovative engineering and superior performance that define our laser systems.
Overview of the 1.0 µm Wavelength Range
The 1.0 µm region is widely used in LIDAR, sensing, metrology and material characterization. Techwin’s 1.0 µm single-frequency systems deliver narrow linewidth, excellent coherence and stable output required for long-distance and high-precision tasks.
Key Performance Features
- Narrow linewidth output (kHz-level or better, model dependent)
- Low intensity and phase noise for high SNR
- High beam quality (M² near 1) for precise coupling
- Robust thermal and vibration-resistant design
- Long-term operational reliability for continuous use
Design Architecture
Compact fiber-based architecture using single-frequency cavities, integrated isolators, high-performance FBGs and active thermal stabilization to ensure single longitudinal mode operation with minimal spectral drift.
Technical Advantages
- Long coherence length for precision metrology
- Reliable frequency control suitable for coherent LIDAR and seismic sensing
- Efficient power stability across varying conditions
- Customizable linewidth and power configurations
Applications
The 1.0 µm single-frequency series supports distributed fiber sensing (DAS/DTS/BOTDR/BOTDA), coherent LIDAR, optical metrology, atomic and molecular experiments, telecom research and industrial measurement systems.
Integration & Environmental Tolerance
- Analog and digital control interfaces (optional Ethernet/Serial)
- Easy fiber-optic coupling and OEM-ready modules
- Temperature regulation and mechanical rigidity for field deployment
- Low maintenance requirements and long MTBF
Service, Support & Ordering
Techwin provides technical consultation, integration guidance, calibration, warranty support and configurable options. When ordering please specify wavelength, output power, linewidth requirements and package type to match your system needs.


The 1.0 µm single-frequency fiber laser is designed for applications requiring exceptional spectral purity, high coherence, and stable single-frequency operation. Featuring an advanced resonator structure and optimized fiber design, it delivers ultra-narrow linewidth performance with low noise and excellent long-term stability. Its reliable output makes it suitable for precision measurement, coherent detection, fiber sensing, and a wide range of scientific research applications.
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