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WO/2022/130689A1 |
The present invention realizes an optical diffraction element with which different optical computation can be executed for each wavelength of input light. An optical diffraction element (1) is constituted by a plurality of microcells of ...
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WO/2022/131452A1 |
According to some embodiments, disclosed is a method for generating a hologram capable of multi-depth expression, wherein: a neural network is trained using a plurality of virtual depth images and a target complex hologram; a plurality o...
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WO/2022/132091A1 |
The present invention is based on a "Quantitative Phase Imaging" system which uses acoustic pressure waves and which has capability to measure the nano-mechanical disturbances formed on the cell. By means of the obtained images, cell har...
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WO/2022/123064A1 |
The invention relates to a digital holographic microscope, DHM. The DHM comprises a coherent light source (401, 501) for illuminating a sample in a sample holder in a first image plane (101,201,407, 507). The DHM further comprises a dete...
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WO/2022/124434A1 |
Provided is a hogel align device using a fluorescent film and a wavelength filter. In the hogel align method according to an embodiment of the present invention, a signal light and a reference light are irradiated to a hogel region in a ...
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WO/2022/123065A1 |
The invention relates to a digital holographic microscope, DHM. The DHM comprises a coherent light source (401, 501) for illuminating a sample in a sample holder in a first image plane (101,201,407, 507). The DHM further comprises a dete...
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WO/2022/124437A1 |
Provided is a holographic printing method in which curing is performed in units of hogels. In the holographic printing method according to an embodiment of the present invention, a holographic fringe pattern is produced, and the holograp...
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WO/2022/124433A1 |
Provided is a device for generating holograms in real time using an optical neural network. A hologram generation method according to an embodiment of the present invention generates a hologram fringe pattern by using an optical neural n...
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WO/2022/124536A1 |
Provided is a method for printing a hologram without distortion by an interference pattern generated by internal reflection A holographic printing method according to an embodiment of the present invention comprises: generating a hologra...
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WO/2022/124445A1 |
An airplane simulator apparatus using a holographic optical element is provided. A simulator apparatus according to an embodiment of the present invention comprises: a display for displaying an image at a remote distance; a projector for...
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WO/2022/124446A1 |
A floating hologram system is disclosed. The floating hologram system comprises: a diffuser on which a projection image is formed, and diffusing a formed image; and a holographic optical element on which a diffused image from the diffuse...
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WO/2022/118996A1 |
Provided are a holographic printing device and method using multiple optical heads. The holographic printing device according to an embodiment of the present invention comprises: a fringe pattern generation unit which generates a hologra...
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WO/2022/119521A1 |
The present invention provides a phase shift-based interferometric microscope apparatus (100). Said apparatus comprises a digital camera (2), a beam source (21), and a beam splitter (22) that splits a beam (B) emitted from the beam sourc...
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WO/2022/117835A2 |
The disclosure relates to devices for capturing microscopy images of a sample, said devices comprising a partially coherent light source and an image sensor, which has a sensor head and a sensor read-out apparatus. The sensor head and th...
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WO/2022/118997A1 |
Provided are a color hologram printing method and device using a hologram medium light efficiency map. In the hologram printing method according to an embodiment of the present invention, a laser is radiated on a hologram medium, an imag...
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WO/2022/118995A1 |
Disclosed are a method and an apparatus for hologram printing using a mask. According to an embodiment of the present invention, a hologram printing method comprises: generating a hologram fringe pattern; dividing the hologram fringe pat...
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WO/2022/114741A1 |
A holographic printing system according to one embodiment of the present invention is disclosed. The system may comprise: a light source; a geometric phase holographic element having a phase delay of λ/4; and an optical member in which ...
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WO/2022/114342A1 |
The present invention relates to a method for producing a hologram for a high-speed digital screen, the method characterized by additionally using a vacuum suction device in order to uniformly record screen hogels, which constitute a hol...
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WO/2022/115359A1 |
Embodiments of the present disclosure include apparatuses and method for a stacked light emitting diode (LED) hologram display. A stacked LED hologram display can include a first array of LEDs that are configured to emit red light receiv...
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WO/2022/107962A1 |
The present invention relates to an operation method for a holographic head-up display based on a micromirror array element, wherein a first image and a second image are formed in a holographic HUD module for an operator of the operation...
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WO/2022/100939A1 |
A dark field digital holographic microscope and associated metrology method is disclosed which is configured to determine a characteristic of interest of a structure. The dark field digital holographic microscope comprises an illuminatio...
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WO/2022/101194A1 |
The invention relates to a laminated pane (100), at least comprising: an outer pane (1), which has an outer surface (I) and an inner surface (II); a first intermediate layer (3); a hologram element (4); an electrochromic functional eleme...
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WO/2022/104137A1 |
The disclosure provides recording materials including propane derivatized monomers and polymers for use in volume Bragg gratings, including, but not limited to, volume Bragg gratings for holography applications. Several structures are di...
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WO/2022/103020A1 |
The present invention relates to a holographic printer adjusting the direction of an object light and a reference light in hogel units. According to the present invention, provided is a holographic printer, adjusting the direction of an ...
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WO/2022/104347A1 |
Apparatuses and methods for investigating the inside of a tissue cell are disclosed. Embodiments include diffusely scattering light off a target sample, producing two crossing beams from the scattered light, and using a camera to create ...
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WO/2022/104113A1 |
The disclosure provides recording materials including mono- or poly-phenyl-core derivatized monomers and polymers for use in volume Bragg gratings, including, but not limited to, volume Bragg gratings for holography applications. Several...
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WO/2022/104277A2 |
A method for making an optical grating having a non-uniform refractive index profile along a direction substantially perpendicular to a plane defined by the optical grating includes placing a layer of photopolymerization material having ...
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WO/2022/089991A1 |
Processing image information associated with a 3D scene can involve obtaining image data associated with at least one layer of the 3D scene; determining at least one phase increment distribution associated with the at least one layer for...
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WO/2022/087071A1 |
An optical coupler includes a plurality of volume gratings in a substrate. The gratings include an array of fringes extending along length and thickness dimensions of the substrate. A difference between a refractive index of the fringes ...
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WO/2022/082905A1 |
A VR eye mask and a manufacturing method for a holographic display element. The method comprises the following steps: (S10) providing a holographic material (10); (S20) making a reference beam (20) incident on a first surface (11) of the...
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WO/2022/084619A1 |
A digital holographic imaging technique, with iterative steps of: a) through back-propagation to the object coordinate of a hologram field comprising a spatial distribution of amplitude corresponding to the spatial distribution of intens...
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WO/2022/081880A1 |
A grating coupler may be fabricated by exposing a photopolymer layer to grating forming light for forming periodic refractive index variations in the photopolymer layer. The photopolymer layer may be exposed to apodization light for redu...
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WO/2022/080563A1 |
Provided are a Hogel recording structure capable of increasing a beam deflection angle during optical recording and a manufacturing method using same. An apparatus for manufacturing a holographic optical device according to an embodiment...
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WO/2022/080607A1 |
The present invention relates to a system and a method for designating colors to be implemented as a hologram by forming a predetermined pattern on a dithering mask such that a hologram structure can express a specific structural color. ...
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WO/2022/080608A1 |
The present invention relates to an encryption system, using an array-type hologram, which can provide enhanced security by forming a hologram structure comprising a combination of various colors into an array type. To this end, the pres...
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WO/2022/074373A1 |
A method for adjusting the apparent brightness of a computer-generated hologram display is disclosed. The method comprises: receiving source data representative of a scene to be displayed as a hologram; determining hologram data to displ...
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WO/2022/065498A1 |
A light guide plate for image display, comprising: a first laminate (11) including a first resin substrate (1), a first anchor coat layer (2), and a first barrier layer (3) in the stated order; and a hologram layer (4), wherein the first...
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WO/2022/065658A1 |
Provided is a holographic waveguide including a waveguide element configured to guide light, and a diffractive optical element including an aberration correction hologram pattern, the diffractive optical element being provided adjacent t...
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WO/2022/066589A2 |
A holographic display with a spatial light modulator coupled to a pupil-replicating lightguide is disclosed. The spatial light modulator provides a light beam with spatially modulated amplitude and/or phase. The light beam is replicated ...
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WO/2022/060734A1 |
Methods, apparatus, devices, and systems for reconstructing three-dimensional objects with display zero order light suppression are provided. In one aspect, a method includes illuminating a display with light, a portion of the light illu...
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WO/2022/055033A1 |
The present invention relates to an IoT-based interactive boat using a hologram, the IoT-based interactive boat comprising: an interactive boat; a control unit provided on the interactive boat; and a hologram generating unit which three-...
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WO/2022/053227A1 |
The invention relates to a method for producing a holographic optical element. This involves firstly providing a light-transmissive carrier substrate (130) and a layer (110) of a holographic material, in particular a photopolymer layer, ...
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WO/2022/054888A1 |
An image reproduction device 6 reproduces an image including N different parameters of a wavelength range or the like, and comprises: a multiplexed hologram acquisition unit 61 for acquiring N to 2N multiplexed holograms obtained by mult...
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WO/2022/055315A1 |
The present invention relates to a holographic optical element and a method for manufacturing same and, specifically, to: a holographic optical element using a retardation layer to prevent unwanted interference patterns from being formed...
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WO/2022/043062A1 |
The invention relates to a read-out device (100) for reading out information stored holographically in a Fourier hologram, which Fourier hologram can have local faults, e.g. scratches, and can also be deformed, e.g. curved. For this purp...
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WO/2022/045294A1 |
An aerial image forming device 30 comprises a display device 31 that emits image light and a hologram imaging lens 40 that causes the image light emitted from the display device 31 to form an image at an image forming position 45.
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WO/2022/045699A1 |
The present invention relates to: a holographic optical element enabling the improvement of the luminance of an augmented image; a manufacturing method therefor; and a manufacturing device therefor. The holographic optical element is con...
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WO/2022/045758A1 |
[Abstract] The present invention relates to a method for replicating a holographic optical element and to a holographic optical element replicated thereby, wherein the method replicates a holographic optical element which has a holograph...
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WO/2022/033929A1 |
The disclosure relates to an optical element intended to be worn in front of an eye of a wearer. The optical element has two main surfaces and comprises at least one holographic diffusive element having diffusive properties resulting fro...
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WO/2022/033996A2 |
The invention relates to a preprocessing circuit for at least one hologram computation circuit, an apparatus and a method for computing a hologram. The preprocessing circuit has an input interface unit for receiving data for a scene to b...
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