Results 31 to 40 of about 3,412 (219)
PhotonicsPhotopolymers, especially acrylate-based ones with low cost and simple preparation, are promising materials for high-efficiency holographic gratings. However, it is still challenging to achieve high-performance gratings, due to the influences of many ...
Ziyan Bai +9 more
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Foveated Retinal Optimization for See-Through Near-Eye Multi-Layer Displays
IEEE Access, 2018 In order to implement 3-D displays with focus cues, several technologies, including multi-layer displays, have been introduced and studied. In multi-layer displays, a volumetric 3-D scene is represented by 2-D layer images via optimization process ...
Seungjae Lee +6 more
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Advanced Functional Materials, EarlyView.Two‐photon grayscale lithography (2GL) enables high‐speed and precise 3D printing of thermolyzed silica glass microstructures with optical‐grade surface quality, high quality factors, and mechanical strength utilizing a custom‐made pre‐glass resist based on polyhedral oligomeric silsesquioxane (POSS) modified with a high‐sensitivity Norrish type II ...
Jonathan L. G. Schneider +4 more
wiley +1 more source
Palm-Sized Single-Shot Full-Color Incoherent Digital Holographic Camera System with White Light
Advanced Devices & InstrumentationThe realization of full-color motion-picture holographic imaging with daily-use light is an important research objective. To achieve it, various types of single-shot phase-shifting incoherent digital holography (SSPS IDH) systems have been proposed up to
Tatsuki Tahara, Tomoyoshi Shimobaba
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International Journal of Polymer Science, 2014 A holographic device characterised by a large angular range of operation is under development. The aim of this study is to increase the angular working range of the diffractive lens by stacking three layers of high efficiency optical elements on top of ...
Hoda Akbari +5 more
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Tailored Diketopyrrolopyrrole Derivatives for Efficient Deep‐Red Organic Lasers
Advanced Functional Materials, EarlyView.Tailored diketopyrrolopyrrole derivatives exhibit high stable amplified spontaneous emission with single or dual bands. Incorporated into distributed‐feedback lasers based on one‐ and two‐dimensional dichromated‐gelatin diffractive gratings, these materials provide a robust, flexible platform for integrated organic deep‐red light sources. ABSTRACT Deep‐
Pablo Pasqués‐Gramage +10 more
wiley +1 more source
Applied Sciences, 2023 Diffraction gratings are becoming a preferred option for waveguide head-mounted in–out coupling devices due to their flexible optical properties and small size and light weight.
Mianhui Weng +3 more
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Tomographic Printing in a Chip: A Versatile Platform for Biomimetic 3D Organ‐on‐Chip
Advanced Healthcare Materials, EarlyView.A novel light‐based bioprinting approach, TVAM‐in‐a‐chip, enables rapid, contactless fabrication of biomimetic 3D organ‐on‐chip devices directly within preassembled microfluidic platforms. This strategy supports diverse materials, including cell‐laden resins, and eliminates post‐assembly steps.
Riccardo Rizzo +3 more
wiley +1 more source
Hybrid refractive holographic single vision spectacle lenses
Journal of the European Optical Society-Rapid Publications, 2019 In this contribution, we investigate hybrid single vision spectacle lenses (SVSLs) consisting of holographic optical elements (HOEs) embedded into a refractive lens.
Jannik M. Trapp +4 more
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See-through display based on commercial photopolymer: Optimization and shrinkage effects
Heliyon, 2023 Nowadays augmented reality, 3D Image, mixed reality and see-through applications are very attractive technologies due to their great potential. Holographic optical elements can provide interesting solutions for injection and extraction of the image in ...
Joan Josep Sirvent-Verdú +6 more
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