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Optimization methods for polarization aberration in underwater imaging optical systems.

Zhiying Liu, Zhenjie Wang, Honghan Li

|March 17, 2026

Summary

This summary is machine-generated.

This study introduces a new method to reduce polarization aberrations in underwater optical systems. Optimizing ray deflection angles enhances image quality for marine exploration and monitoring.

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Area of Science:

Optical Engineering
Marine Technology
Image Processing

Background:

Underwater imaging is crucial for marine exploration, facing challenges like low light and scattering.
Polarization imaging is essential but limited by polarization aberrations in optical systems.
These aberrations degrade underwater image quality and hinder descattering algorithm performance.

Purpose of the Study:

To propose a novel method for optimizing polarization aberration in underwater optical systems.
To enhance the performance of polarization descatter algorithms and improve underwater image acquisition.
To provide a robust foundation for high-quality marine imaging.

Main Methods:

Developed a polarization aberration optimization method based on ray deflection angle modulation.
Created a mathematical model linking diattenuation to ray deflection angles.
Implemented a control strategy by constraining ray deflection angles at critical optical surfaces.

Main Results:

Successfully suppressed diattenuation in a typical underwater optical system (f/1.6, 90° FOV).
Significantly improved the accuracy of Stokes vector retrieval.
Demonstrated the effectiveness of the proposed method in enhancing underwater image quality.

Conclusions:

The ray deflection angle modulation method effectively controls polarization aberrations in underwater optics.
This strategy is crucial for advancing high-quality underwater image acquisition for various marine applications.
Optimized polarization aberration management is key to overcoming limitations in challenging underwater environments.