2.0 µm Single-Frequency Fiber Laser

The 2.0 µm Single-Frequency Fiber Laser category is developed for applications that require stable wavelength performance, narrow linewidth, and dependable long-term operation. This wavelength band offers unique advantages for scientific, industrial, and sensing projects where accuracy, reliability, and compact system design matter. As industries move toward higher precision measurements and mid-infrared performance, the demand for laser solutions operating around 2.0 µm has increased steadily. This product range supports users who need stable output at a fixed frequency, minimal noise, and reliable operation in both laboratory and field environments. This sub-category page provides a clear understanding of the design, features, applications, and benefits of this wavelength class, helping users select the right system for research, testing, or integration into equipment.

Overview of the 2.0 µm Wavelength Band

The 2.0 µm region of the optical spectrum is commonly used for material processing, medical research, free-space communication, and atmospheric sensing. Its characteristics allow safe interaction with specific materials while offering strong absorption properties for gases such as CO₂ and water vapor. A 2.0 µm fiber laser supports these requirements by providing a narrow and stable spectral output that remains consistent even under environmental changes. This wavelength is also suitable for compact and lightweight system integration.

Key Features of 2.0 µm Single-Frequency Fiber Laser Systems

• Narrow linewidth output for accurate results in spectroscopy, interferometry, and sensing.
• Stable single-frequency operation with minimal drift over long periods.
• High signal-to-noise ratio with low intensity noise and excellent spectral purity.
• Mid-infrared compatibility for interaction with specific materials and gases.
• Compact, fiber-based structure with long lifespan and low maintenance.
• Temperature and vibration stability for laboratory and field environments.

Why Choose This Wavelength Category

Choosing a 2.0 µm Single-Frequency Fiber Laser provides access to a wavelength range known for its stability, safety characteristics, and broad application suitability. It is especially preferred in scenarios where: • Compact mid-IR sources are needed • High frequency stability is required • Long coherence length is important • Reliable 24/7 operation is necessary • Lower photon energy is beneficial for certain materials The combination of performance and reliability makes this wavelength category a dependable solution for long-term project requirements.

Technical Performance Overview

• Output power options ranging from milliwatt-level to higher wattage configurations.
• Ultra-narrow optical linewidth for high precision.
• Long coherence length to support interferometric and high-resolution measurements.
• Frequency or wavelength locking options for enhanced stability.
• Excellent thermal control mechanisms to minimize wavelength drift.
• Energy-efficient architecture with low power consumption.

Applications of 2.0 µm Single-Frequency Fiber Laser Systems

• Gas sensing for gases such as methane, water vapor, and CO₂.
• Lidar and 3D mapping systems requiring stable mid-IR transmitters.
• Spectroscopy and precision absorption studies.
• Medical and biomedical research instruments using controlled tissue interaction.
• Environmental and atmospheric monitoring.
• Defense and aerospace free-space communication and detection modules.
• Scientific instrumentation requiring ultra-stable reference sources.

Construction and Internal Design

• Specialized gain fiber optimized for 2.0 µm pump absorption and amplification.
• Frequency-stabilizing components such as high-quality fiber Bragg gratings.
• Precision thermal management for minimal wavelength drift.
• Integrated digital control electronics for stable and monitored operation.
• Robust housing designed for vibration resistance and easy mounting.

Advantages for System Integration

• Simple plug-and-play installation into existing platforms.
• Clean optical output suitable for direct use in instruments.
• Long-term operational reliability for continuous applications.
• Stable output even in dynamic or changing environments.
• Lightweight and compact designs for OEM and benchtop systems.

Comparison with Other Wavelengths

• Lower scattering in specific atmospheric conditions compared to shorter wavelengths.
• Safer interaction with certain materials relative to 1.0 µm sources.
• Better absorption characteristics for targeted gases.
• Broader scientific and environmental sensing capabilities versus 1.0 µm and 1.5 µm bands.

Quality, Testing, and Reliability

• Linewidth verification to confirm narrow spectral output.
• Frequency stability measurement across operating conditions.
• Output power consistency checks under different loads.
• Environmental simulation tests for temperature and vibration.
• Reliability evaluations under extended continuous use.

Support and Customization

• Custom output power and wavelength options.
• Support for different fiber types and connectors.
• Alternate control configurations and OEM integration.
• Wavelength locking and application-specific tuning options.
• Engineering support from Techwin (Hangzhou City) for custom requirements.