What is a Single-Frequency Fiber Laser?
Ultra-narrow linewidth, high stability fiber lasers for precision sensing, LiDAR, communications and quantum applications.
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Custom solutions for LiDAR, sensing, quantum and communications.
Techwin is a high-tech enterprise specializing in high-performance fiber lasers, amplifiers, and laser sources for scientific and industrial use. With 20+ years of innovation, it leads in single-frequency fiber laser technology. Its ultra-stable, low-noise lasers serve applications in sensing, quantum tech, LiDAR, and communication across 30+ countries worldwide.
Explore our main product lines — single-frequency lasers, seed lasers, high-power sources and more.
Ultra-narrow linewidth, high stability fiber lasers for precision sensing, LiDAR, communications and quantum applications.
Stable narrow-linewidth seed lasers for amplifiers, LiDAR, communications and precision sensing.
High precision, high-power single-frequency fiber lasers engineered for industrial, scientific, and long-range sensing applications.
Reliable wavelength conversion systems (UV / Visible / IR) for spectroscopy, lithography, imaging and precision research.
Stable spectral output and low-noise broadband illumination for testing, sensing, imaging and photonics research.
Stable, low-noise, high-efficiency fiber amplifiers engineered for scientific, industrial and communication applications.
Precision spectral and noise testing solutions for labs, production and R&D — verify performance before deployment.
Stable broadband illumination and low-coherence SLED modules for OCT, sensing and precision photonics.
Real-world use cases where Techwin lasers deliver measurable impact
Key specifications that define Techwin’s high-performance laser excellence.
Sub-kHz spectral purity for precision optical coherence measurements.
Advanced design ensures industry-leading noise suppression.
Available in 1.0 µm, 1.5 µm and 2.0 µm spectral regions.
Configurable output: mW to multi-Watt systems (0.05 – 500 W).
Thermally controlled design for 24/7 operation in critical environments.
20+ years of R&D in single-frequency fiber laser technology.