Quantitative phase imaging and all-optical phase recovery using diffractive optical networks (Conference Presentation)

Deniz Mengu; Aydogan Ozcan

doi:10.1117/12.2649640

16 March 2023 Quantitative phase imaging and all-optical phase recovery using diffractive optical networks (Conference Presentation)

Deniz Mengu, Aydogan Ozcan

Author Affiliations +

Proceedings Volume PC12389, Quantitative Phase Imaging IX; PC123890M (2023) https://doi.org/10.1117/12.2649640
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

We report diffractive optical networks to replace the digital image reconstruction schemes in quantitative phase imaging (QPI) systems with a series of passive diffractive surfaces that perform phase recovery all-optically, completing the reconstruction of the QPI signal as the light is diffracted through thin structured layers. A diffractive QPI network all-optically maps the input phase information into an intensity distribution that reveals the QPI signal at the speed of light. With their compact footprint, diffractive QPI networks offer ultra-fast all-optical computation and low-power operation, demonstrating a new phase imaging concept that can be especially transformative for on-chip microscopy and sensing.

Conference Presentation

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Deniz Mengu and Aydogan Ozcan "Quantitative phase imaging and all-optical phase recovery using diffractive optical networks (Conference Presentation)", Proc. SPIE PC12389, Quantitative Phase Imaging IX, PC123890M (16 March 2023); https://doi.org/10.1117/12.2649640

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KEYWORDS

Optical networks

Phase imaging

Digital holography

Signal processing

Digital signal processing

Reconstruction algorithms

Digital Light Processing

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