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Tolerancing and characterization of curved image sensor systems.
Applied Optics
|October 26, 2020
Summary
Curved image sensors eliminate field curvature correction, enabling compact, aberration-free optical systems. This study details their design, fabrication, and tolerancing for practical optical applications.
Area of Science:
- Optical Engineering
- Image Sensor Technology
Background:
- Field curvature is a common optical aberration requiring correction in traditional systems.
- Curved image sensors offer a novel approach to mitigate field curvature issues.
- Existing optical systems often face limitations in compactness and aberration correction.
Purpose of the Study:
- To elucidate the benefits of curved sensor systems through aberration theory.
- To present a comprehensive procedure for fabricating functional curved sensors.
- To investigate the tolerancing of curved sensors within optical design.
Main Methods:
- Analysis of optical aberration theory applied to curved sensor systems.
- Development and execution of a fabrication procedure for curved image sensors.
- Integration and analysis of sensor tolerancing within optical design workflows.
Main Results:
- Demonstration of aberration-free optical system design using curved sensors.
- Successful fabrication of functional curved sensor prototypes.
- Quantification of the impact of tolerancing on curved sensor performance in a prototype objective.
Conclusions:
- Curved image sensors provide a significant advantage for designing compact and aberration-free optical systems.
- The developed fabrication procedure and tolerancing methods enable the practical implementation of curved sensors.
- A prototype compact objective validates the benefits of sensor curvature and highlights the importance of precise tolerancing.
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