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10 March 2020 Quantitative phase gradient microscope based on multifunctional metasurfaces (Conference Presentation)
Hyounghan Kwon, Ehsan Arbabi, MohammadSadegh Faraji-dana, Seyedeh Mahsa Kamali, Andrei Faraon
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Proceedings Volume 11290, High Contrast Metastructures IX; 112900S (2020) https://doi.org/10.1117/12.2544384
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
Quantitative phase imaging systems enable label-free imaging of transparent bio-samples. Miniaturization of these imaging systems will extend their potentials in biomedical and diagnostic applications. Here, we demonstrate a novel quantitative phase gradient microscope using two multifunctional metasurface layers. Thanks to the multi-functionality and compactness of the dielectric metasurfaces, the device simultaneously captures three differential interference contrast images to retrieve a quantitative phase gradient image in a single shot. Imaging experiments with diverse phase samples verify the capability to capture quantitative phase gradient data, with low noise levels and single cell resolution.
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Hyounghan Kwon, Ehsan Arbabi, MohammadSadegh Faraji-dana, Seyedeh Mahsa Kamali, and Andrei Faraon "Quantitative phase gradient microscope based on multifunctional metasurfaces (Conference Presentation)", Proc. SPIE 11290, High Contrast Metastructures IX, 112900S (10 March 2020); https://doi.org/10.1117/12.2544384
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KEYWORDS
Microscopes
Imaging systems
Biomedical optics
Phase imaging
Phase measurement
Atomic force microscopy
Diagnostics
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