Full-color lens-array holographic optical element for three-dimensional optical see-through augmented reality

Abstract

A novel system of optical see-through augmented reality (AR) is proposed by making use of a holographic optical element (HOE) with full-color and lens-array functions. The full-color lens-array HOE provides see-through property with three-dimensional (3D) virtual images, for it functions as a conventional lens array only for Bragg-matched lights. An HOE recording setup was built, and it recorded a 30 mm × 60 mm sized full-color lens-array HOE by using the techniques of spatial multiplexing for large-area recording and wavelength multiplexing for full-color imaging. The experimental results confirm that the suggested full-color lens-array HOE can provide the full-color 3D virtual images in the optical see-through AR system.

Three-dimensional reflection screens fabricated by holographic wavefront printer

“…The DDHOE was fabricated using the wavefront printer and has several advantages over conventional volume-type HOE, [23][24][25][26][27] which are shaped by an analog hologram recording procedure. Since a DDHOE is recorded by stitching many small optical cells, it can easily provide a microscale optical element array without any additional cost.…”

Multiplane displays based on liquid crystals for AR applications

“…To effectively address the accommodation-vergence conflict (AVC) problem, various display techniques have been proposed for AR applications, including integral imaging display, 4,[8][9][10][11] holographic display, 12,13 supermutiview display, 14,15 and volumetric display. [16][17][18][19][20][21][22][23] Integral imaging display can also provide correct accommodation depth cue by generating numerous elemental images with a microlens array, but the spatial resolution of the 3D images is greatly reduced.…”

A Three-dimensional Transparent Display with Enhanced Transmittance and Resolution Using an Active Parallax Barrier with See-through Areas on an LCD Panel

“…1(b). For that purpose, several three-dimensional (3D) technologies such as super multi-view (SMV), holographic optical elements (HOE), and integral imaging can be good solutions to realize a 3D transparent display [5][6][7][8][9][10][11][12][13][14]. However, those methods still have a technological gap to be bridged before being implemented in a commercial product.…”