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WO/2021/063766A1 |
A measuring apparatus (10) for interferometrically determining a shape of a surface (12) of a test object (14) comprises: a radiation source for providing an input wave (42), a multiply encoded diffractive optical element (60), which is ...
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WO/2021/066391A1 |
Provided in one embodiment of the present invention is a method for manufacturing a holographic optical device having a holographic grid, the method comprising the steps of: (a) applying a photosensitive resin to one surface of a substra...
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WO/2021/052104A1 |
Provided in the present application is a holographic display system, comprising an on-site holographic display system, a transmissive geometric holographic display system, a folded optical path geometric holographic display system, and a...
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WO/2021/054680A1 |
The present invention relates to an inline scanning holography system for a phosphor and a transmitter. According to the present invention, provided is an inline scanning holography system comprising: a polarization sensitive lens for re...
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WO/2021/055585A1 |
A computer-implemented method for surface modeling includes: receiving one or more polarization raw frames of a surface of a physical object, the polarization raw frames being captured with a polarizing filter at different linear polariz...
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WO/2021/046645A1 |
A method of recording multiple holograms into a holographic recording medium includes exposing the medium to a first light to cause changes in a first refractive index of at least a portion of a first layer of the medium to write a first...
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WO/2021/045386A1 |
Disclosed is a helper system using a cradle. According to the present invention, a helper service can be provided at low cost without a separate helper robot, as a helper service is provided through a widely used user terminal, and a cra...
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WO/2021/045733A1 |
A light field (LF) display system for displaying holographic content within a gaming environment, such as a casino. The LF display system includes a plurality of LF displays that, in one embodiment, are tiled to form an array of LF displ...
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WO/2021/045730A1 |
A light field display system is implemented in a mobile device to present the user with holographic content which includes at least one holographic object, providing the user with an immersive operational experience. The system generates...
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WO/2021/038187A1 |
A method of forming a security device is disclosed. The method comprises 5 providing a multilayer assembly, the assembly comprising: a holographic image layer having a region comprising a volume hologram that is viewable in a first obser...
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WO/2021/041635A1 |
A method of preparing a glazing, comprising: stacking a first glass sheet, a first interlayer, a photopolymer film, a second interlayer, and a second glass sheet to provide a lamination stack; deairing the lamination stack; autoclaving t...
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WO/2021/040825A1 |
Techniques disclosed herein relate to modifying refractive index modulation in a holographic optical element, such as a holographic grating. According to certain embodiments, a holographic optical element or apodized grating includes a p...
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WO/2021/040688A1 |
A light field (LF) display system for displaying holographic content (e.g., a holographic sporting event or holographic content to augment a holographic sporting event) to viewers in an arena. The LF display system in the arena includes ...
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WO/2021/033937A1 |
A method for preparing a holographic pattern-expressing organogel using a dithering mask according to an aspect of the present invention comprises the steps of: preparing a dithering mask comprising white pixels and black pixels which ar...
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WO/2021/032589A1 |
The invention relates to a diffractive optical element (10) for a test interferometer (100) for measuring a shape of an optical surface (102), comprising diffractive shape measuring structures (16), which are arranged on a useful surface...
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WO/2021/031807A1 |
A polarization multi-channel metasurface optical element and a method for reconstructing a full color holographic image. The polarization multi-channel metasurface optical element consists of a dielectric substrate (1) and an anisotropic...
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WO/2021/032568A1 |
An arrangement for illuminating a volume hologram (11), comprising a volume hologram (11) having an optical axis (12) and a reference direction (13), wherein the reference angle (a) between the optical axis and the reference direction (1...
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WO/2021/023082A1 |
The present disclosure provides an unmanned device. The unmanned device comprises a controller and a holographic projection device. The controller can: monitor location information of the unmanned device; determine, according to the dete...
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WO/2021/026332A1 |
According to various embodiments, systems and methods for providing engineered frequency dispersion for a dynamic wave-processing device across a set of operational frequencies. A set of operational frequencies for a dynamic-wave process...
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WO/2021/011637A1 |
A new diversity concept is provided for achieving accurate phase retrieval with a singleshot acquisition. Multiple irradiance data are obtained by a diffractive grating or CGH designed to generate multiple diffraction orders with differe...
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WO/2021/006012A1 |
Provided is a photosensitive composition capable of realizing further improvement in diffraction characteristics. The present technology provides a photosensitive composition containing at least a compound represented by general formula ...
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WO/2021/006011A1 |
Provided is a compound which can heighten the functions of organic materials. This compound is represented by general formula (1). In general formula (1), X1 is an oxygen, nitrogen, phosphorus, carbon, or silicon atom. Y1 and Y2 ar...
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WO/2021/004797A1 |
The present invention concerns a method and a device for coding a sequence comprising at least a first digital hologram (H1) representing a first scene and a second digital hologram (H2) representing a second scene, the first digital hol...
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WO/2021/007134A1 |
Techniques disclosed herein relate to a near-eye display system. One example of an optical device of a near-eye display includes a substrate and holographic grating conformally coupled to a surface of the substrate. The substrate is tran...
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WO/2021/003380A1 |
An apparatus and method are introduced to produce a hologram of an object from electromagnetic radiation, such as incoherent light, received from the object. The electromagnetic radiation is received by a receiving assembly and transform...
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WO/2021/001494A1 |
There is disclosed a projector arranged to project a light pattern. The projector comprises a spatial light modulator and a light source. The spatial light modulator has an array of pixels arranged to display a phase pattern. The array o...
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WO/2021/001493A2 |
There is disclosed herein a liquid crystal on silicon spatial light modulator, "LCoS SLM", device arranged for in‐plane switching. The LCoS SLM device comprises: a silicon backplane; a transparent substrate; a liquid crystal layer; an ...
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WO/2020/259042A1 |
A complex amplitude sensing imaging device and method. The device comprises: a lensless digital camera (1), a sampling board (2), a connection housing (3), and a processor; the lensless digital camera (1) comprises an image sensor (11); ...
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WO/2020/261826A1 |
Provided are an image processing device, an evaluation system, an image processing program, and an image processing method, for making it possible to automatically and appropriately perform an evaluation of a state of individual granules...
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WO/2020/254041A1 |
Disclosed is a method of determining a complex-valued field relating to a sample measured using an imaging system. The method comprises obtaining image data relating to a series of images of the sample, imaged at an image plane of the im...
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WO/2020/256253A1 |
The present invention relates to a terminal device for outputting a hologram image and a method for controlling same. The present invention comprises: a hologram device coupling unit which is formed on a terminal device and electrically ...
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WO/2020/249332A1 |
Disclosed is a method of determining a complex-valued field relating to a structure, comprising: obtaining image data relating to a series of images of the structure, for which at least one measurement parameter is varied over the series...
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WO/2020/246788A1 |
The present invention relates to a scanning hologram-based automatic optical inspection apparatus and method. The automatic optical inspection apparatus comprises: a hologram image-capturing unit which captures an image of a hologram of ...
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WO/2020/238803A1 |
An augmented reality device, comprising: a first projection assembly (01) and a first display assembly (02). The first display assembly (02) is located at a light outgoing side of the first projection assembly (01). The first projection ...
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WO/2020/238834A1 |
A holographic optical device, comprising a light splitting component (1), a transmitting assembly (2), a focal length modulating component (3), and an optical element (4). The light splitting component (1) is configured to split received...
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WO/2020/236434A1 |
A light field (LF) display system comprises a LF display assembly. The LF display assembly comprises one or more LF display modules configured to present holographic merchandise to a patron in a viewing volume of the LF display system. T...
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WO/2020/236771A1 |
An optical system includes a substrate and a polarization volume hologram (PVH) composite film formed over the substrate. The PVH composite film includes a first PVH layer formed over the substrate and having a helix twist of a first han...
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WO/2020/236698A1 |
A polarization volume hologram (PVH) lens includes a PVH layer having a freeform design. The PVH layer includes a first region and a second region having different optical properties.
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WO/2020/231640A1 |
A light filed (LF) display system for displaying holographic performance content (e.g., a live performance) to viewers in a venue. The LF display system in the venue includes LF display modules tiled together to form an array of LF modul...
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WO/2020/224955A1 |
The invention relates to a lighting device for a vehicle, in particular a headlight for a vehicle, comprising at least one light source, which emits light (3) during operation of the lighting device, and a diffractive optical unit (1) ha...
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WO/2020/227296A1 |
The disclosure provides thermally reversible and reorganizable polymers for volume Bragg gratings. These polymers can be used in any volume Bragg gratings materials, but they are particularly useful in two-stage polymer materials where a...
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WO/2020/227355A1 |
Techniques disclosed herein relate to optical devices. Resins with different optical properties can be deposited in different areas to provide increased optical functionality. It can be difficult to design a single photopolymer material ...
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WO/2020/225123A1 |
The invention relates to an external lighting device (30) for a motor vehicle (40) and to a motor vehicle (40) comprising such an external lighting device (30). The external lighting device (30) comprises a design screen (31) and at leas...
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WO/2020/227480A1 |
Techniques disclosed herein relate to diffractive optical devices (430,440,1104). It is difficult to design a single photopolymer material that meets several technical requirements (e.g., high dynamic range, low absorption & haze, good r...
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WO/2020/227276A1 |
The disclosure provides thianthrene derivatized monomers and polymers for use in volume Bragg gratings, including, but not limited to, volume Bragg gratings for holography applications. Several thianthrene structures are described, inclu...
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WO/2020/227305A1 |
The disclosure provides specific initiator/mediator chemistry for latent imaging polymers for volume Bragg gratings. Light mediated chemistry including the use of nitroxides allows a first step imaging to occur, where a light induced pat...
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WO/2020/222551A1 |
The present invention relates to a magnetic field or electric field generating device using electromagnetic wave holography in which, in an electromagnetic wave hologram, a reference wave and an object wave are irradiated on a permanent ...
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WO/2020/219468A1 |
A method for performing color image reconstruction of a single super-resolved holographic sample image includes obtaining a plurality of sub-pixel shifted lower resolution hologram images of the sample using an image sensor by simultaneo...
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WO/2020/216541A1 |
The invention relates to a method for producing a hologram that can be applied to a curved support, characterised by the following method steps: curving a flat, light-sensitive display material (11) and lighting the hologram in the curve...
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WO/2020/218070A1 |
A holographic display device (1) has: a display unit (30) which includes a first image generation unit (10), a second image generation unit (20), and a holographic element (31); a first incidence part (11) which causes light of the first...
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