In this paper, we introduce a novel holographic foveated near-eye display, leveraging the capabilities of two reflective-type phase-modulating spatial light modulators (SLMs). Reconstructed holographic three-dimensional images are imaged with different magnifications by polarization optics, creating a peripheral and foveal holographic three-dimensional image. The core element of the proposed system is a geometric phase (GP) lens, having different optical power based on the circular polarization state of the incident light. The proposed optical system has a compact form factor because the GP lens has only a millimeter thickness and two SLMs can be placed very close to the polarizing beam splitter.
We introduce our recent works to remove the discrepancy between the perceived distance and optical distance of the images in optical-see-through (OST) augmented-reality (AR) near-to-eye displays (NEDs). The first one is a thin Maxwellian display which is implemented using a waveguide and a pin-mirror array holographic optical element (HOE) coupler. A dual-image-layer AR NED implemented using a polarization grating and a single physical waveguide is also introduced in the presentation. Our recent implementations of light field AR NED which uses a micro lens array to present 3D images, and holographic 3D AR NED are also introduced with experimental results.
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