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Manufacturing and application of high-precision corner cube retro-reflectors using a counterweight separator process
Applied Optics
|April 24, 2026
Summary
This study introduces an improved manufacturing method for spaceborne corner cube retro-reflectors (CCRs), achieving high precision and efficiency. The new process significantly enhances the product qualification rate for critical satellite components.
Area of Science:
- Optical Engineering
- Materials Science
- Manufacturing Technology
Background:
- Existing methods for manufacturing corner cube retro-reflectors (CCRs) face challenges in controlling dihedral angle offset (DAO), leading to low efficiency and yield.
- Spaceborne CCRs require high precision for applications like satellite laser reflector arrays.
Purpose of the Study:
- To develop a high-efficiency, high-precision, and quality-assured manufacturing process for spaceborne CCRs.
- To address limitations in precise DAO control and improve production yield.
Main Methods:
- A dedicated fixture enabling disk-type batch processing through successive flipping was developed.
- A counterweight separator process was integrated into fine polishing for precise DAO control.
- Finite element modeling was used to simulate stress and strain distributions during polishing.
Main Results:
- The manufacturing process achieves precise control of the DAO within ±0.1 arcseconds.
- The product qualification rate increased from approximately 30% to 100%.
- Manufactured CCRs have been successfully deployed in on-orbit satellite laser reflector arrays.
Conclusions:
- The proposed manufacturing process offers an effective technical approach for the batch production of high-precision spaceborne CCRs.
- This advancement overcomes previous limitations in DAO control, efficiency, and yield for spaceborne CCR manufacturing.
