Three-Wavelength Polarization-Raman Lidar (TWPRL) for Aerosol and Cloud Analysis

This advanced lidar system is engineered to detect and quantify the properties of aerosols and clouds with exceptional reliability, stability, and accuracy. Utilizing three-wavelength emission and eight-channel detection, the TWPRL provides critical data for weather forecasting, monitoring meteorological disasters, researching climate change causes, and controlling air pollution propagation.

Technical Parameters

Emission Center Wavelengths: 355nm, 532nm, 1064nm.

Laser Energy: Maximum outputs of 0.6mJ@355nm, 1mJ@532nm, and 1mJ@1064nm.

Detection Distance: Capable of detecting phenomena up to 30 km away.

Spatial Resolution: Achieves a minimum vertical resolution of 15m.

Time Resolution: Offers a maximum time resolution of 1 minute.

Dimensions: Compact design measuring 0.5m x 0.5m x 1.5m.

Product Features

High Sensitivity and Precision

Utilizes photon counting detection technology for single photon sensitivity.
Maintains linearity better than 3% and a dynamic range better than 60 dB.

Advanced Data Retrieval

  • Real-time retrieval of level 3 products with automated cloud interpretation and reference level selection.
  • Automated data quality control and screening, ensuring a relative retrieval error rate better than 15%.

Versatile Atmospheric Parameter Detection

  • Offers spot, scan, and navigation modes with elastically polarized Raman detection.
  • Features an integrated multi-wavelength, shared aperture design for comprehensive analysis.

Robust Laser Technology

  • High-frequency, sub-nanosecond laser emissions with an air-cooling system that eliminates the need for water cooling.
  • Energy efficiency maintained above 85% even after 30,000 hours of continuous operation.

Intelligent Network Capabilities 

  • Efficient network management of equipment health.
  • Supports multi-user access and manages large volumes of data storage efficiently.

Application Areas

Environmental Monitoring:
Effective in atmospheric haze and port sea fog monitoring, and satellite ground calibration.

Safety Applications:
Crucial in forest fire detection and airport roadway visibility monitoring.
Forecasting Supportü Enhances digital model forecasts with precise data.

Global and Domestic Applications

International Reach:
Exported to Italy, integrated into the European Aerosol Research Lidar Network (EARLiNET) for monitoring volcanic ash propagation post-eruption in Iceland.

Domestic Reliability:
Extensively utilized across numerous Chinese cities and for Antarctic expeditions, proving effective in continuous observation in complex climates and severe weather conditions, ensuring round-the-clock, unattended monitoring.

The TWPRL system is distinguished by its sophisticated technology and adaptability, making it indispensable for comprehensive atmospheric analysis and environmental monitoring on a global scale.