Broadband cholesteric liquid crystal lens for chromatic aberration ...
WEBA planar and broadband cholesteric liquid crystal (CLC) lens is designed, fabricated, and hybridized with a refractive lens to form a catadioptric pancake lens for virtual reality (VR) displays.
WEBAbstract: A planar and broadband cholesteric liquid crystal (CLC) lens is designed, fabricated, and hybridized with a refractive lens to form a catadioptric pancake lens for virtual reality (VR) displays.
Achromatic acoustic gradient-index phononic crystal lens for broadband …
WEBJun 9, 2020 · The aim of this study is to realize an achromatic acoustic gradient-index (GRIN) phononic crystal (PC) lens system with a spatially invariant focal length over a broad operating frequency range.
Achromatic diffractive liquid-crystal optics for virtual reality ...
WEBSep 15, 2023 · Our simulation results indicate that the proposed achromatic LC lens system reduces the lateral color shift by about 100 times, compared to a broadband diffractive LC lens at 50° field angle...
32‐4: Student Paper: Chromatic Aberration Correction Enabled …
WEBJun 28, 2021 · A broadband cholesteric liquid crystal (CLC) lens is fabricated and then integrated with a refractive lens, forming an ultracompact catadioptric pancake lens that can be employed as a virtual reality (VR) viewing optic with reduced chromatic aberrations.
WEBcomparison with conventional broadband diffractive liquid-crystal lens. Potential applications for VR-enabled metaverse, spatial computing, and digital twins that have found widespread ...
[PDF] Broadband cholesteric liquid crystal lens for chromatic ...
WEBThis work fabricates four reflective cholesteric liquid crystal (CLC) polymeric lenses with diameter D=2.45 cm and low f-numbers that can achieve ∼85% diffraction efficiency for a designated polarization state and manifest decent imaging ability.
Achromatic gradient-index phononic crystal lenses with unique …
WEBJun 12, 2020 · The authors’ achromatic acoustic GRIN PC lens has ability to focus acoustic wave energy toward a targeted location for imaging applications and even energy harvesting. It only requires the use of one lens, making it ideal in terms of size and volume.
Practical Chromatic Aberration Correction in Virtual Reality …
WEBOct 25, 2019 · In this device, a compact ultra-broadband Pancharatnam-Berry phase lens (PBL) with complex axial molecular structure is fabricated and then hybridized with a refractive Fresnel lens. Due to their opposite chromatic dispersion, the system's CA is significantly reduced.
Broadband Achromatic Metasurface-Refractive Optics
WEBNov 13, 2018 · Recently, single-layer broadband achromatic metasurface lenses have been demonstrated but are limited to diameters on the order of 100 μm due to the large required group delays. Here, we circumvent this limitation and design a metacorrector by combining a tunable phase and artificial dispersion to correct spherical and chromatic aberrations in ...
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