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27 February 2019 Improving head-up display with waveguides and holographic optical elements (Abstract)
Colton M. Bigler, Micah S. Mann, Craig Draper, Arkady Bablumyan, Pierre-Alexandre Blanche
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Proceedings Volume 11040, Optical Design Challenge 2019; 1104007 (2019) https://doi.org/10.1117/12.2524628
Event: SPIE Optical Design Challenge, 2019, San Francisco, California, United States
Abstract
Head-up displays offer ease-of-use and safety advantages over traditional head-down displays when implemented in aircraft and vehicles. Unfortunately, in the traditional head-up display projection method, the size of the image is limited by the size of the projection optics. In many vehicular systems, the size requirements for a large field of view head-up display exceed the space available to allocate for these projection optics. Thus, an alternative approach is needed to present a large field of view image to the user. By using holographic optical elements affixed to waveguides, it becomes possible to reduce the size of the projection system, while producing a comparatively large image. Additionally, modulating the diffraction efficiency of some of the holograms in the system presents an expanded viewing eyebox to the viewer. This presentation will discuss our work to demonstrate a magnified far-field image with an in-line two-dimensional eyebox expansion. It will explore recording geometries and configurations and will conclude by discussing challenges for future implementation.

NOTICE

The complete paper is published in the Proceedings of SPIE Volume 10944, Practical Holography XXXIII: Displays, Materials, and Applications. See https://doi.org/10.1117/12.2507575.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Colton M. Bigler, Micah S. Mann, Craig Draper, Arkady Bablumyan, and Pierre-Alexandre Blanche "Improving head-up display with waveguides and holographic optical elements (Abstract)", Proc. SPIE 11040, Optical Design Challenge 2019, 1104007 (27 February 2019); https://doi.org/10.1117/12.2524628
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KEYWORDS
Holographic optical elements
Waveguides
Heads up displays
Light wave propagation
Diffraction
Holograms
Light
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