Compensation of color breaking in bi-focal depth-switchable integral floating augmented reality display with a geometrical phase lens

Hee Jin Choi, Yungkyung Park, Hyeontaek Lee, Kyung Il Joo, Tae Hyun Lee, Sunghee Hong, Hak Rin Kim

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A bi-focal integral floating system using a geometrical phase (GP) lens can provide switchable integrated spaces with enhanced three-dimensional (3D) augmented reality (AR) depth expression. However, due to the chromatic aberration properties of the GP lens implemented for the switchable depth-floating 3D images, the floated 3D AR images with the red/green/blue (R/G/B) colors are formed at different depth locations with different magnification effects, which causes color breaking. In this paper, we propose a novel technique to resolve the color breaking problem by integrating the R/G/B elemental images with compensated depths and sizes along with experiments to demonstrate the improved results. When we evaluated the color differences of the floated 3D AR images based on CIEDE2000, the experimental results of the depth-switchable integral floating 3D AR images showed that the color accuracies were greatly improved after applying a pre-compensation scheme to the R/G/B sub-images in both concave and convex lens operation modes of the bi-focal switching GP floating lens.

Original languageEnglish
Pages (from-to)35548-35560
Number of pages13
JournalOptics Express
Volume28
Issue number24
DOIs
StatePublished - 23 Nov 2020

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