[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Wang et al., 2024 - Google Patents

High quality holographic 3D display with enhanced focus cues based on multiple directional light reconstruction

Wang et al., 2024

View HTML
Document ID
9970704863087463747
Author
Wang Z
Liang L
Chen T
Lv G
Feng Q
Wang A
Ming H
Publication year
Publication venue
Optics Letters

External Links

Snippet

Holographic display faces the trade-off between image quality and focus cues, resulting from the specific choice of phase distribution. In this Letter, we propose a speckle-free holographic display with enhanced focus cues by multiple directional light reconstruction …
Continue reading at opg.optica.org (HTML) (other versions)

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2294—Addressing the hologram to an active spatial light modulator
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00—Other optical systems; Other optical apparatus
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30—Information retrieval; Database structures therefor; File system structures therefor
    • G06F17/30861—Retrieval from the Internet, e.g. browsers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2222/00—Light sources or light beam properties
    • G03H2222/10—Spectral composition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/20—Handling natural language data
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G—PHYSICS
    • G02—OPTICS
    • G02F—DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics

Similar Documents

Publication Publication Date Title
Qi et al. Speckleless holographic display by complex modulation based on double-phase method
Zea et al. Optimized random phase only holograms
Tommasi et al. Computer-generated holograms of tilted planes by a spatial frequency approach
Mishina et al. Viewing-zone enlargement method for sampled hologram that uses high-order diffraction
Mishina et al. Time-alternating method based on single-sideband holography with half-zone-plate processing for the enlargement of viewing zones
Betin et al. Holographic memory optical system based on computer-generated Fourier holograms
Pang et al. High-accuracy method for holographic image projection with suppressed speckle noise
Wyrowski et al. Speckle-free reconstruction in digital holography
Gao et al. Accurate compressed look up table method for CGH in 3D holographic display
Katz et al. Super-resolution in incoherent optical imaging using synthetic aperture with Fresnel elements
Nishitsuji et al. Fast calculation of computer-generated hologram using run-length encoding based recurrence relation
Shimobaba et al. Random phase-free kinoform for large objects
Wakunami et al. High-resolution three-dimensional holographic display using dense ray sampling from integral imaging
Abookasis et al. Three types of computer-generated hologram synthesized from multiple angular viewpoints of a three-dimensional scene
Kang et al. Curved multiplexing computer-generated hologram for 3D holographic display
Hsu et al. Speckle suppression in holographic projection displays using temporal integration of speckle images from diffractive optical elements
Shibukawa et al. Spatial cross modulation method using a random diffuser and phase-only spatial light modulator for constructing arbitrary complex fields
Qu et al. Holographic projection with higher image quality
Dong et al. Fourier-inspired neural module for real-time and high-fidelity computer-generated holography
Tian et al. Optimized Fresnel phase hologram for ringing artifacts removal in lensless holographic projection
Lin et al. Astigmatism correction and quality optimization of computer-generated holograms for holographic waveguide displays
Pi et al. Optimized computer-generated hologram for enhancing depth cue based on complex amplitude modulation
Sugawara et al. Fast point-based method of a computer-generated hologram for a triangle-patch model by using a graphics processing unit
Li et al. Method of curved composite hologram generation with suppressed speckle noise
Wang et al. Phase-only hologram generated by a convolutional neural network trained using low-frequency mixed noise