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Receiving efficiency of monostatic pulsed coherent lidars. 2: Applications
Applied Optics
|June 26, 2010
Summary
This study analyzes the receiving efficiency of a CO(2) Doppler lidar system. It quantifies how factors like laser quality and system alignment impact performance, offering insights for practical coherent lidar design.
Area of Science:
- Atmospheric Science
- Optical Remote Sensing
Background:
- Coherent Doppler lidar systems are crucial for atmospheric measurements.
- Understanding factors affecting receiving efficiency is vital for optimizing system performance.
Purpose of the Study:
- To calculate the range-dependent receiving efficiency (eta(z)) for a CO(2) Doppler lidar.
- To quantify the sensitivity of eta(z) to various system parameters.
Main Methods:
- Theoretical analysis based on Part 1.
- Numerical calculations.
- Experimental measurements.
Main Results:
- Sensitivity of eta(z) was quantified for beam quality, focal setting, telescope power, scanner astigmatism, LO beam divergence, and misalignment.
- The study identified key parameters influencing lidar performance.
Conclusions:
- The findings provide valuable insights for designing practical and efficient coherent lidar systems.
- Optimizing system parameters is essential for maximizing receiving efficiency.
