Wavefront sensing based depth sensor for macroscopic objects

Yicheng Wu; Fengqiang Li; Florian Willomitzer; Ashok Veeraraghavan; Oliver Cossairt

doi:10.1364/3D.2020.JW5C.3

Imaging and Applied Optics Congress
OSA Technical Digest (Optica Publishing Group, 2020),
paper JW5C.3
•https://doi.org/10.1364/3D.2020.JW5C.3

Wavefront sensing based depth sensor for macroscopic objects

Yicheng Wu, Fengqiang Li, Florian Willomitzer, Ashok Veeraraghavan, and Oliver Cossairt

Computational Optical Sensing and Imaging 2020

Washington, DC United States
22–26 June 2020
ISBN: 978-1-943580-77-4

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Joint Sensing-Imaging PDP Session III (JW5C)

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Y. Wu, F. Li, F. Willomitzer, A. Veeraraghavan, and O. Cossairt, "Wavefront sensing based depth sensor for macroscopic objects," in Imaging and Applied Optics Congress, OSA Technical Digest (Optica Publishing Group, 2020), paper JW5C.3.

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Abstract

We propose a three-dimensional sensor by leveraging wavelength diversity and wavefront sensing. We correlate two close wavelengths’ wavefronts to generate a centimeter-level synthetic wavelength. The proposed system can achieve mega-pixel lateral and micro depth resolutions.

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