LiDAR-derived digital holograms for automotive head-up displays | Zendy

Jana Skirnewskaja | Zendy; Yunuen Montelongo | Zendy; Phil Wilkes | Zendy; Timothy D. Wilkinson | Zendy

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LiDAR-derived digital holograms for automotive head-up displays

Author(s) -

Jana Skirnewskaja,

Yunuen Montelongo,

Phil Wilkes,

Timothy D. Wilkinson

Publication year - 2021

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.420740

Subject(s) - holography , optics , fresnel lens , lidar , lens (geology) , focal length , spatial light modulator , laser , digital micromirror device , depth of field , holographic display , field of view , laser scanning , digital holography , scanner , computer science , physics

A holographic automotive head-up display was developed to project 2D and 3D ultra-high definition (UHD) images using LiDAR data in the driver's field of view. The LiDAR data was collected with a 3D terrestrial laser scanner and was converted to computer-generated holograms (CGHs). The reconstructions were obtained with a HeNe laser and a UHD spatial light modulator with a panel resolution of 3840×2160 px for replay field projections. By decreasing the focal distance of the CGHs, the zero-order spot was diffused into the holographic replay field image. 3D holograms were observed floating as a ghost image at a variable focal distance with a digital Fresnel lens into the CGH and a concave lens.

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