Blind diffractive modulation for scattering-resilient single-pixel complex-field imaging

Area of Science:

• Optics and Photonics
• Computational Imaging
• Wavefront Sensing

Background:

• Scattering media pose significant challenges for optical imaging and wavefront reconstruction.
• Robust single-pixel wavefront reconstruction is crucial for various applications, including microscopy and adaptive optics.
• Existing methods often struggle with unknown scattering conditions and background noise.

Purpose of the Study:

• To develop a robust single-pixel method for wavefront reconstruction through unknown scattering media.
• To achieve stable convergence and effective disentanglement of scattering backgrounds.
• To demonstrate reliable complex-amplitude recovery and potential scalability.

Main Methods:

• Single-pixel blind modulation diffractive imaging.
• Integration of multi-distance diffractive encoding.
• Statistically constrained alternating projection for joint retrieval of wavefront and modulation field.
• Support-constrained retrieval and correlation-guided spectrum demodulation.

Main Results:

• Stable convergence and effective disentanglement of scattering background achieved.
• Enhanced reconstruction fidelity and robustness demonstrated.
• Reliable complex-amplitude recovery confirmed under controlled scattering conditions.

Conclusions:

• The proposed method offers robust single-pixel wavefront reconstruction through scattering media.
• The technique shows potential for scalability in multimodal scattering scenarios.
• This approach advances blind diffractive imaging for complex optical environments.