Surface reconstruction and thickness error calculation of optical components with a complex curved surface
Applied Optics
|June 10, 2024
Summary
Accurate 3D scanning is crucial for free-form optical components. This study presents a novel optical ray tracing method to correct macroscopic distortion, improving manufacturing and repair.
Area of Science:
- Optics and Photonics
- Manufacturing Engineering
- Metrology
Background:
- Free-form irregular optical components are in high demand for military and civilian applications.
- Existing inspection methods struggle with the unique shapes and precision requirements of these components.
- Shape and thickness errors in thermally pressed components significantly impact performance and human vision.
Purpose of the Study:
- To address the challenge of inspecting and manufacturing free-form irregular optical components.
- To develop a theoretical model for macroscopic distortion applicable to batch manufacturing.
- To enable accurate surface reconstruction and defect repair for pressed optical components.
Main Methods:
- Utilizing principles of optical ray tracing for path thickness calculation.
- Employing triangulation processing for data analysis.
- Establishing a theoretical model for macroscopic distortion correction.
Main Results:
- A theoretical model for macroscopic distortion was established.
- The proposed method provides a solution for distortion correction in free-form components.
- The approach is suitable for batch manufacturing and defect repair scenarios.
Conclusions:
- The developed optical ray tracing and triangulation method offers an effective solution for inspecting and manufacturing free-form optical components.
- This research facilitates improved accuracy and efficiency in the production of thermally pressed optical elements.
- The findings support the advancement of free-form optics in various technological fields.
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