Single-shot deterministic complex amplitude imaging with a single-layer metalens

Liu Li; Shuai Wang; Yuanmu Yang

doi:10.1117/12.3006068

13 March 2024 Single-shot deterministic complex amplitude imaging with a single-layer metalens

Liu Li, Shuai Wang, Yuanmu Yang

Proceedings Volume PC12852, Quantitative Phase Imaging X; PC128521N (2024) https://doi.org/10.1117/12.3006068
Event: SPIE BiOS, 2024, San Francisco, California, United States

Conference Poster

Abstract

Conventional imaging apparatus, composed of lenses and camera, are limited to recording light intensity. Nevertheless, the phase of light has the potential to transmit more information than its intensity. Unfortunately, the acquisition of phase information generally demands the incorporation of sophisticated and unwieldy optical elements. Here, we propose a single-shot complex amplitude imaging meta-optics system capable of capturing both amplitude and phase information of the light field. By leveraging the versatility and adaptability of metasurface, a compact imaging configuration, comprising of just one single-layer metalens and one off-the-shelf polarization camera, can uniquely determine phase and amplitude from the shearing interference patterns in the four polarization channels based on polarization phase-shifting method. We experimentally demonstrate a variety of applications including surface topography measurement, metasurface phase characterization and quantitative phase microscopy with high accuracy. The results showcase promising and potential advancements in miniaturized complex amplitude imaging systems and portable applications .

Citation Download Citation

Liu Li, Shuai Wang, and Yuanmu Yang "Single-shot deterministic complex amplitude imaging with a single-layer metalens", Proc. SPIE PC12852, Quantitative Phase Imaging X, PC128521N (13 March 2024); https://doi.org/10.1117/12.3006068

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