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Fiber laser-based scanning lidar for space rendezvous and docking
Applied Optics
|May 14, 2015
Summary
A new scanning lidar system enhances autonomous space rendezvous and docking (RVD). This advanced lidar technology enables spacecraft to search and track targets across vast distances with high accuracy.
Area of Science:
- Aerospace Engineering
- Optical Engineering
- Robotics
Background:
- Space rendezvous and docking (RVD) is critical for space missions.
- Existing lidar systems face limitations in autonomous RVD applications.
- The need for precise, long-range, and autonomous guidance systems is growing.
Purpose of the Study:
- To develop and present a novel scanning lidar system for autonomous space RVD.
- To demonstrate the system's capability for searching and tracking cooperative targets.
- To validate the lidar's performance in terms of operational range and angular accuracy.
Main Methods:
- Development of a scanning lidar utilizing a high-repetition-rate pulsed fiber laser and a position detector.
- Integration of a novel fiber laser with tunable pulse energy and repetition rate.
- System composition, performance evaluation, and experimental validation.
Main Results:
- The lidar system operates effectively from 18 m to 20 km.
- High-accuracy measurement of relative angles between spacecraft was achieved.
- The system demonstrated autonomous search and track capabilities for cooperative targets.
Conclusions:
- The developed scanning lidar is a promising candidate for autonomous space RVD.
- The system's performance characteristics meet the demanding requirements of space docking maneuvers.
- This technology advances the potential for safer and more efficient space exploration missions.
