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Analytical modeling of Raman lidar return, including multiple scattering
Aleksey V Malinka1, Eleonora P Zege
1B. I. Stepanov Institute of Physics, Belarusian National Academy of Sciences, Prospect F. Scaryna 68, Minsk 220072, Belarus. mal@zege.bas-net.by
Applied Optics
|March 6, 2003
Summary
This study introduces a simplified model for Raman lidar, enhancing accuracy in calculating atmospheric signals. The new method improves the analysis of light scattering for better remote sensing applications.
Area of Science:
- Atmospheric physics
- Optical remote sensing
- Lidar technology
Background:
- Raman lidar is crucial for atmospheric profiling.
- Modeling lidar return requires accounting for complex light scattering phenomena.
- Existing models may lack accuracy or simplicity for Raman scattering.
Purpose of the Study:
- To develop an analytical model for Raman lidar return.
- To incorporate multiple scattering effects using a novel approximation.
- To enhance the accuracy and simplicity of Raman lidar data analysis.
Main Methods:
- Utilizing a small-angle quasi-single-scattering approximation.
- Developing and testing an isotropic backscattering approximation for Raman scattering.
- Comparing computed results with established datasets.
Main Results:
- The proposed isotropic backscattering approximation is effective for Raman lidar.
- The analytical approach provides high accuracy in Raman lidar return calculations.
- The method offers a significant simplification in modeling.
Conclusions:
- The new analytical approach accurately models Raman lidar return.
- The isotropic backscattering approximation is a valuable tool for Raman lidar analysis.
- This simplified method enhances the practical application of Raman lidar technology.