Curved holographic optical elements and applications for curved see-through displays
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Information Display"
DOI: 10.1080/15980316.2019.1570978
Abstract: ABSTRACT Holographic optical elements (HOEs) have been used as important tools for implementing augmented reality (AR) and see-through displays because they are transparent and thin. Moreover, as HOEs usually come in the shape of a… read more here.
Keywords: curved see; holographic optical; optical elements; method ... See more keywords
Design of a waveguide eye-tracking system operating in near-infrared with holographic optical elements
Sign Up to like & getrecommendations! Published in 2021 at "Optical Engineering"
DOI: 10.1117/1.oe.60.8.085101
Abstract: Recent research in augmented reality (AR) eyewear has prompted interest in using volume holographic optical elements for this application. However, many sensing operations in AR systems require the use of wavelengths in the near-infrared (NIR)… read more here.
Keywords: system; holographic optical; optical elements; near infrared ... See more keywords
Design and fabrication of freeform holographic optical elements
Sign Up to like & getrecommendations! Published in 2020 at "ACM Transactions on Graphics"
DOI: 10.1145/3414685.3417762
Abstract: Holographic optical elements (HOEs) have a wide range of applications, including their emerging use in virtual and augmented reality displays, but their design and fabrication have remained largely... read more here.
Keywords: holographic optical; optical elements; design fabrication; fabrication freeform ... See more keywords
Improving the throughput of automated holographic optical tweezers.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.006396
Abstract: The purpose of this work is to introduce three improvements to automated holographic-optical-tweezers systems that increase the number and speed of particles that can be manipulated simultaneously. First, we address path planning by solving a… read more here.
Keywords: automated holographic; optical tweezers; throughput automated; holographic optical ... See more keywords
Optimization of a spatial light modulator driven by digital video interface graphics to generate holographic optical traps.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.008374
Abstract: We propose a method to optimize spatial light modulators (SLMs) driven by digital video interface graphics in a holographic optical tweezers system. A method analogous to that used to optimize LCD televisions is used to… read more here.
Keywords: interface graphics; spatial light; holographic optical; digital video ... See more keywords
Visual-cryptographic image hiding with holographic optical elements.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.031995
Abstract: In this paper, we propose a visual-cryptographic image hiding method based on visual cryptography (VC) and volume grating optics. The secret image is converted to the encrypted visual keys (VKs) according to the normal VC… read more here.
Keywords: image hiding; image; cryptographic image; holographic optical ... See more keywords
Pixelated volume holographic optical element for augmented reality 3D display.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.456824
Abstract: Augmented reality (AR) three-dimensional (3D) display is the hardware entrance of metaverse and attracts great interest. The fusion of physical world with 3D virtual images is non-trivial. In this paper, we proposed an AR 3D… read more here.
Keywords: holographic optical; optical element; display; pixelated volume ... See more keywords
Resolution-preserving passive 2D/3D convertible display based on holographic optical elements.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.457084
Abstract: We propose and demonstrate a resolution-preserving passive 2D/3D convertible display by two individual wavelengths. It uses a holographic optical element to generate two images and passively separate the exit pupils for these two wavelengths, which… read more here.
Keywords: preserving passive; holographic optical; convertible display; resolution preserving ... See more keywords
Acousto-holographic optical tweezers.
Sign Up to like & getrecommendations! Published in 2020 at "Optics letters"
DOI: 10.1364/ol.391462
Abstract: Acousto-optic deflectors (AODs) allow the creation of multiple optical traps by time-sharing, that is, by rapidly cycling the laser focus between designated spatial locations. The traps thus formed are not permanent. In this Letter, we… read more here.
Keywords: holographic optical; optical tweezers; acousto holographic;
Verification of an Accommodative Response for Depth Measurement of Floating Hologram Using a Holographic Optical Element
Sign Up to like & getrecommendations! Published in 2020 at "Applied Sciences"
DOI: 10.3390/app10196788
Abstract: Floating holograms using holographic optical element screens differ from existing systems because they can float 2D images in the air and provide a sense of depth. Until now, the verification of such displays has been… read more here.
Keywords: depth; using holographic; optical element; holographic optical ... See more keywords
High Resolution Multiview Holographic Display Based on the Holographic Optical Element
Sign Up to like & getrecommendations! Published in 2023 at "Micromachines"
DOI: 10.3390/mi14010147
Abstract: Limited by the low space-bandwidth product of the spatial light modulator (SLM), it is difficult to realize multiview holographic three-dimensional (3D) display. To conquer the problem, a method based on the holographic optical element (HOE),… read more here.
Keywords: holographic optical; display; multiview holographic; element ... See more keywords