Spectral Testing System
The Spectral Testing System is designed for precise and comprehensive analysis of laser and light source spectral characteristics. With high-resolution optical spectrum measurement capability, it enables accurate evaluation of key parameters such as center wavelength, linewidth, optical signal-to-noise ratio (OSNR), side-mode suppression ratio (SMSR), and spectral stability.
The system integrates advanced spectrometer technology, stable optical path design, and intelligent data processing, ensuring reliable measurements for both laboratory research and industrial testing.
Key Features
- High-resolution spectral measurement across multiple wavelength bands
- Wide spectral range: visible, near-IR, and mid-IR compatibility
- High optical dynamic range for OSNR, SMSR and weak side-mode measurement
- Stable and reliable performance with optimized optical path design
- Intelligent real-time data processing and automated report generation
- Flexible integration with external optical modules and custom system configurations
Application Areas
- Laser R&D and manufacturing
- Optical communication testing
- Spectroscopy research
- Wavelength stability monitoring
- Fiber sensing system development


Spectral Testing System
The Spectral Testing System is designed for precise and comprehensive analysis of laser and light source spectral characteristics. With high-resolution optical spectrum measurement capability, it enables accurate evaluation of key parameters such as center wavelength, linewidth, optical signal-to-noise ratio (OSNR), side-mode suppression ratio (SMSR), and spectral stability. The system integrates advanced spectrometer technology, stable optical path design, and intelligent data processing, ensuring reliable measurements for both laboratory research and industrial testing.
Key features
Highlights- ✓High-accuracy wavelength measurement for narrowband and broadband lasers
- ✓Linewidth analysis for single-frequency and precision laser sources
- ✓Spectral purity monitoring including side-mode and noise evaluation
- ✓Long-term frequency drift tracking
- ✓Thermally stabilized internal architecture for measurement consistency
- ✓Real-time spectral visualization software with automated reporting
- ✓Wide compatibility with fiber lasers, diode lasers, CW and pulsed sources
Applications
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Overview of Spectral Testing Systems
Spectral Testing Systems provide precise characterization of wavelength, linewidth, spectral purity, and drift for narrowband, broadband, CW, or pulsed lasers. Used in research labs, manufacturing lines, and optical integration platforms, it ensures the stability and accuracy of laser and photonic systems.
Key Measurement Capabilities
- High-accuracy wavelength measurement for narrowband and broadband lasers
- Linewidth analysis for single-frequency and precision laser sources
- Spectral purity monitoring including side-mode and noise evaluation
- Long-term frequency drift tracking
- Thermally stabilized internal architecture for measurement consistency
- Real-time spectral visualization software with automated reporting
- Wide compatibility with fiber lasers, diode lasers, CW and pulsed sources
Applications
Ideal for optical R&D, fiber laser production, DWDM component evaluation, metrology tasks, environmental detection systems, lidar development, and quality-control in narrowband laser manufacturing.
Selection Guide
Select based on wavelength range, resolution, dynamic range, software integration needs, power compatibility, and environmental stability requirements. Models are available for telecom band, infrared, or custom wavelength ranges.
Integration
Easily integrates with laser benches, automated inspection systems, R&D platforms, and fiber-based test setups. USB/Ethernet interfaces support real-time monitoring, long-term logging, and automated analysis workflows.
Ordering & Support
To request specifications, pricing, or OEM customization, contact +86-13958180450. Techwin provides full documentation, software support, and engineering assistance from Hangzhou City.


The Spectral Testing System is designed for precise and comprehensive analysis of laser and light source spectral characteristics. With high-resolution optical spectrum measurement capability, it enables accurate evaluation of key parameters such as center wavelength, linewidth, optical signal-to-noise ratio (OSNR), side-mode suppression ratio (SMSR), and spectral stability. The system integrates advanced spectrometer technology, stable optical path design, and intelligent data processing, ensuring reliable measurements for both laboratory research and industrial testing.
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