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Curved wedges and shearing gratings for augmented reality
Author(s): A. R. L. Travis; Jiaqi Chu; Andreas Georgiou
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Paper Abstract

Designer spectacles look great and we want the same for a virtual display. A curved wedge guide will be described that can transfer the virtual image from a projector near the ear round to the pupil of the eye. The eye-box is tiny but the plan is to steer it so as to follow the pupil of the eye and this will be done by shearing the holographic combiner. Ray-tracing predicts a field of view of 115° per eye and a resolution of 2000 pixels per radian at the fovea using pre-distortion in the projector. Guide tolerances are lax, image accommodation is variable and a few milliWatts suffice to steer the pupil.

Paper Details

Date Published: 21 May 2018
PDF: 9 pages
Proc. SPIE 10676, Digital Optics for Immersive Displays, 106760D (21 May 2018); doi: 10.1117/12.2303815
Show Author Affiliations
A. R. L. Travis, Univ. of Cambridge (United Kingdom)
Jiaqi Chu, Microsoft Research Cambridge (United Kingdom)
Andreas Georgiou, Microsoft Research Cambridge (United Kingdom)


Published in SPIE Proceedings Vol. 10676:
Digital Optics for Immersive Displays
Bernard C. Kress; Wolfgang Osten; Hagen Stolle, Editor(s)

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