Wavefront sensing method for diffraction optical system based on phase diversity

Zhi, Xu; Gong, Jinnan; Yu, Daren; Wang, Dawei; Niu, Ruize

doi:10.1016/j.infrared.2019.102980

Infrared Physics & Technology

2019

DOI: 10.1016/j.infrared.2019.102980

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Wavefront sensing method for diffraction optical system based on phase diversity

Xu Zhi

Jinnan Gong

Daren Yu

et al.

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2023

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Single-shot quasi-phase-diversity wavefront sensing with a Fibonacci zone-plate module

Zhang

et al. 2023

Applied Physics Letters

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The phase-diversity wavefront sensor is a popular means for conducting quantitative wavefront measurements and image restoration from several desired intensity measurements. It has wide applications ranging from adaptive optics in telescopes to optical detection in high-power laser systems. In contrast to traditional phase diversity, we propose a modified version of single-shot quasi-phase-diversity wavefront sensing using a multifocal Fibonacci zone-plate module. The Fibonacci zone plate, designed to generate a specific separation distance between the in-focus and defocused diffraction planes, enables recording multiplanar diffraction patterns at a given position under a single exposure. Thus, this modified wavefront sensing can improve recovery accuracy and realize real-time measurements via a single exposure. In our experiment, a test object fabricated on a chrome plate was measured to verify the validity of the proposed single-shot quasi-phase-diversity wavefront sensing. With the advantages of simple real-time operation and improved measurement accuracy, this technique can be applied to various detection and imaging processes, such as wavefront measurements and image restoration.

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Single-shot quasi-phase-diversity wavefront sensing with a Fibonacci zone-plate module

Zhang

et al. 2023

Applied Physics Letters

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Wavefront sensing method for diffraction optical system based on phase diversity

Cited by 1 publication

References 11 publications

Single-shot quasi-phase-diversity wavefront sensing with a Fibonacci zone-plate module

Single-shot quasi-phase-diversity wavefront sensing with a Fibonacci zone-plate module

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