[go: up one dir, main page]

Anand et al., 2020 - Google Patents

Coded aperture correlation holography

Anand et al., 2020

View HTML
Document ID
15726433100206847833
Author
Anand V
Rosen J
Publication year
Publication venue
Photonics Spectra

External Links

Snippet

Coded aperture correlation holography (COACH) is a recently developed 3D-imaging technology. It began as a regular in-line, two-beam interference holography and has evolved into an interferenceless technique based on a working principle entirely different …
Continue reading at www.photonics.com (HTML) (other versions)

Classifications

    • 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
    • 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
    • G02B27/46—Systems using spatial filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00—Other optical systems; Other optical apparatus
    • G02B27/50—Optics for phase object visualisation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00—Other optical systems; Other optical apparatus
    • G02B27/0075—Other optical systems; Other optical apparatus with means for altering, e.g. increasing, the depth of field or depth of focus
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00—Other optical systems; Other optical apparatus
    • G02B27/58—Optics for apodization or superresolution; Optical synthetic aperture systems
    • 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
    • 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
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • 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
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0443—Digital holography, i.e. recording holograms with digital recording means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
    • G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
    • G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements

Similar Documents

Publication Publication Date Title
Tahara et al. Roadmap of incoherent digital holography
Anand et al. Single shot multispectral multidimensional imaging using chaotic waves
Bulbul et al. Partial aperture imaging by systems with annular phase coded masks
Kumar et al. Incoherent digital holograms acquired by interferenceless coded aperture correlation holography system without refractive lenses
US10120336B2 (en) System, apparatus and method for extracting image cross-sections of an object from received electromagnetic radiation
Huang et al. High bandwidth‐utilization digital holographic multiplexing: an approach using Kramers–Kronig relations
Lam Computational photography with plenoptic camera and light field capture: tutorial
Bulbul et al. Superresolution far-field imaging by coded phase reflectors distributed only along the boundary of synthetic apertures
Micó et al. Superresolution digital holographic microscopy for three-dimensional samples
Kelly et al. Resolution limits in practical digital holographic systems
Pan et al. Coherent noise reduction in digital holographic phase contrast microscopy by slightly shifting object
Kashter et al. Resolving images by blurring: superresolution method with a scattering mask between the observed objects and the hologram recorder
Memmolo et al. Encoding multiple holograms for speckle-noise reduction in optical display
Kim Incoherent digital holographic adaptive optics
Rai et al. Depth-of-field engineering in coded aperture imaging
Nishchal et al. Fully phase encryption using digital holography
Pan et al. Coherent noise reduction in digital holographic microscopy by averaging multiple holograms recorded with a multimode laser
Bulbul et al. Partial aperture imaging system based on sparse point spread holograms and nonlinear cross-correlations
Bernet et al. Lensless digital holography with diffuse illumination through a pseudo-random phase mask
Kumar et al. Interferenceless coded aperture correlation holography with synthetic point spread holograms
Rosen et al. Recent progress in digital holography with dynamic diffractive phase apertures
Deng et al. Single-shot wavelength-multiplexing for off-axis digital holography with a spectral filter
Ma et al. Enhanced resolution of edge enhancement in three-dimensional vortex imaging based on a modified Michelson interferometer
Wang et al. Fresnel incoherent compressive holography toward 3D videography via dual-channel simultaneous phase-shifting interferometry
Kim et al. Recent research on self-interference incoherent digital holography