Near-eye display with a triple-channel waveguide for metaverse
OPTICS EXPRESS(2022)
摘要
We present a near-eye display featuring a triple-channel waveguide with chiral liquid crystal gratings. Our triple-channel waveguide is capable of dividing one field of view into three through both the polarization orthogonality and angular separation. To illustrate its principle, a k-space diagram, which takes into account the aspect ratio of field of view, is depicted. Our results demonstrate that its diagonal field of view reaches 90 degrees, eye relief is 10 mm, exit pupil is 4.9 x 4.9 mm(2), transmittance is 4.9%, and uniformity is 89%. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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