Results 11 to 20 of about 4,729 (265)
PhotonicsAt present, most near-eye display devices adopt flat substrates, which have problems such as limited field of view (FOV) and bulky shape, while the curved structure is expected to expand the FOV with appropriate volume. In this paper, we propose a curved
Hong Xu, Yuan Xu, Changyu Wang, Juan Liu
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Journal of Information Display, 2022 We present a novel design of the lightguide type optical see-through Maxwellian near-eye display. The proposed display reconfigures vertically long input images to horizontally long output images for wide horizontal viewing-angle.
Woongseob Han +3 more
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Speckle Noise-Free Interconnective Holographic Projection
Photonics, 2022 Generally, speckle noise is regarded as unavoidable in holographic projection, and it results from unexpected high spatial frequency components of diffracted light at the sharp edge of pixel openings in a spatial light modulator.
Hosung Jeon, Joonku Hahn
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Multiplexed Holographic Combiner with Extended Eye Box Fabricated by Wave Front Printing
Photonics, 2022 We present an array-based volume holographic optical element (vHOE) recorded as an optical combiner for novel display applications such as smart glasses.
Tobias Wilm +3 more
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Multilayer Smart Holographic Label with Integrated RFID for Product Security and Monitoring
Micromachines, 2023 Counterfeiting presents a major economic problem and an important risk for the public health and safety of individuals and countries. To make the counterfeiting process more difficult, and to ensure efficient authentication, a solution would be to attach
Cătălin Pârvulescu +4 more
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Progress in the Synthetic Holographic Stereogram Printing Technique
Applied Sciences, 2018 The synthetic holographic stereogram printing technique can achieve a three-dimensional (3D) display of a scene. The development and research status of the synthetic holographic stereogram printing technique is introduced in this paper.
Jian Su +5 more
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Wavefront Characteristics of a Digital Holographic Optical Element
Micromachines, 2023 In this study, a 50 × 50 mm holographic optical element (HOE) with the property of a spherical mirror was recorded digitally on a silver halide photoplate using a wavefront printing method.
Beom-Ryeol Lee +5 more
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Holographic optical element to generate achromatic vortices [PDF]
, 2013 A compound holographic optical element to generate achromatic vortices with high efficiency, based on the combination of two volume phase holograms, is designed and constructed. This element is compact and easy to align.
Marín Sáez, J. +4 more
core +3 more sources
Sensors, 2022 As a prospective key technology for the next-generation wireless communications, reconfigurable intelligent surfaces (RISs) have gained tremendous research interest in both the academia and industry in recent years.
Shu Sun, Meixia Tao
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Volume diffraction gratings for optical telecommunications applications: design study for a spectral equalizer [PDF]
, 2004 The main characteristics required for a diffraction grating used for demultiplexing functions in spectral equalizing systems are investigated, both theoretically and experimentally.
Shigapova, N.M. +12 more
core +1 more source