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Photonic integrated interferometric imaging based on main and auxiliary nested microlens arrays
Optics Express
|October 27, 2022
Summary
A novel nested microlens array design enhances optical frequency detection imaging. This structure improves image quality, increasing peak signal-to-noise ratio and reducing mean square error for better target detection.
Area of Science:
- Photonics
- Optical Engineering
- Image Processing
Background:
- Traditional microlens array imagers suffer from poor image quality and limited content information.
- This deficiency hinders advancements in photon integrated detection and imaging technology.
Purpose of the Study:
- To propose and evaluate a new microlens array optical frequency detection imager structure.
- To enhance target image restoration quality and overcome limitations of existing technologies.
Main Methods:
- A novel microlens array design embedding a main array into an auxiliary array.
- Image quality assessment using peak signal-to-noise ratio (PSNR) and mean square error (MSE) metrics through simulations.
Main Results:
- The proposed nested microlens array structure significantly improved image restoration.
- Achieved a 21.05% increase in PSNR and a 29.39% reduction in MSE compared to traditional methods.
Conclusions:
- The nested microlens array structure enables high-quality target imaging.
- This technology holds significant potential for applications in advanced target detection systems.
