Wavefront reconstruction of a non-coaxial diffraction model in a lens system

Area of Science:

• Optics and Photonics
• Wavefront Sensing and Metrology

Background:

• Wavefront reconstruction is crucial for optical system analysis.
• Non-coaxial lens systems present unique challenges for accurate reconstruction.
• Existing models may not fully capture complex beam propagation.

Purpose of the Study:

• To propose a novel diffraction model for wavefront reconstruction in non-coaxial lens systems.
• To introduce an inclination angle parameter for enhanced beam propagation modeling.
• To integrate multi-image phase retrieval for improved complex optical field reconstruction.

Main Methods:

• Utilized the Fresnel integral to formulate the diffraction model.
• Incorporated an inclination angle determined via correlation operation and optical flow.
• Employed multi-image phase retrieval with overdetermined datasets.

Main Results:

• The proposed diffraction model accurately reconstructs wavefronts in non-coaxial systems.
• Numerical analysis and experimental validation confirm the model's efficacy.
• The inclusion of inclination angle improves the practical applicability of the model.

Conclusions:

• The developed diffraction model offers a more practical approach to wavefront reconstruction.
• This method enhances the capabilities of multi-image phase retrieval.
• Potential applications include advanced biomedical imaging and optical metrology.