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WO/2023/135085A1 |
The present invention relates to a lens-free microscopic imaging apparatus (1) for three dimensional imaging of a semi transparent object (204) within a sample (202). The apparatus comprises a rotation device, a determining device, at le...
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WO/2023/133061A1 |
A sunglasses-style head worn display (100) includes a curved waveguide (108) with double reflective coatings/films (304/308) and containing an array of light wavelength converting phosphor pinhole-size discs (314) covered with pinhole-si...
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WO/2023/128088A1 |
Disclosed are a method for optimizing a holographic display and a device therefor. A holographic display device generates a prediction hologram by back-propagating target field data composed of a plurality of planes in a depth direction ...
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WO/2023/128011A1 |
Disclosed are a method for correcting an aberration of a hologram and a device therefor. The device for correcting an aberration: generates a plurality of sub-holograms in a hologram as a matrix; performs singular value decomposition on ...
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WO/2023/129952A1 |
Disclosed herein is methods and apparatus for recording a holographic waveguide utilizing an inverted holographic master technique. In some embodiments, an apparatus for recording a holographic waveguide is provided. The apparatus may in...
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WO/2023/128010A1 |
A holographic display device and a hologram optimization method for the device are disclosed. The holographic display device comprises: a focus-forming optical element that receives plane waves and forms a plurality of focal points; a co...
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WO/2023/125876A1 |
A waveguide-display two-dimensional pupil expansion method based on a polarization volume grating. An incident coupling grating (2) guides a light beam, which is from a micro-image source optical engine (7), into a waveguide medium (1), ...
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WO/2023/121290A1 |
A display device and a projector using a holographic optical element are disclosed. The disclosed projector comprises: a first display unit for emitting first light of a first image; a second display unit for emitting second light of a s...
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WO/2023/118590A1 |
The invention relates to a method for detecting particles in a sample comprising a fluid, especially a liquid. The invention is intended to detect metal particles sensitive to a magnetic field. The sample is placed between a light source...
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WO/2023/055973A9 |
An embodiment of an energy system configured to receive imaged light at least one imaged source and direct focused imaged light along an output energy path comprises a first energy subsystem comprising at least one energy focusing elemen...
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WO/2023/119267A1 |
A data analysis system is presented for inspecting unstained biological cells during fast flow. The data analysis system comprises: a data input utility, and data processor. The data input utility receives raw measured data comprising me...
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WO/2023/120983A1 |
The present invention relates to a method for generating an interference pattern of a multi-light source-based digital holographic microscope. The method for generating an interference pattern of a multi-light source-based digital hologr...
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WO/2023/117211A1 |
A hologram recording system comprising an optical system configured to provide first and second beams of electromagnetic radiation. The optical system comprises a first lens configured to interact with the first beam. The hologram record...
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WO/2023/120832A1 |
The present invention relates to a parallel processing method and a high-speed processing system using same, and, more specifically, to: a parallel processing method for more rapidly restoring shape data through parallel processing of ho...
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WO/2023/117562A1 |
The invention relates to a method for producing volume reflection holograms with substrate- guided reconstruction beams and/or substrate-guided diffracted beams in a single-beam set- up, comprising the steps of (i) providing at least one...
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WO/2023/117336A1 |
The invention relates to an operating or visualising element, comprising: an input part or visualising part (2) forming a translucent or transparent input surface or visualising surface (3); a carrier (12) for securing the operating or v...
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WO/2023/113043A1 |
The present disclosure provides a volume hologram laminate which has a substrate and a volume hologram laminate section positioned on one surface of the substrate, wherein: said volume hologram laminate section has, in this order startin...
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WO/2023/113059A1 |
Provided is a perception experiment method for peripheral vision image quality changes for determining parameters of a foveated hologram. A perception experiment method for determining parameters of a foveated image, according to an embo...
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WO/2023/113905A1 |
The invention improves holographic imaging systems by being modular with deployment in a lens-less configuration or with a microscope objective, leading to a resolution range of 5.5 and to 0.5 μm/pixel, respectively, and resulting in a ...
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WO/2023/113062A1 |
A holographic image normalization method for a holographic printer is provided. A holographic printing method according to an embodiment of the present invention is performed in parallel to generating, encoding, and normalizing a hologra...
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WO/2023/109817A1 |
A projection device, applied to equipment such as a vehicle lamp, a projector and a head-up display device for projection or illumination. The projection device comprises a three-color light source (110), a collimation component (120), a...
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WO/2023/113060A1 |
Provided is a holographic optical element printing method using a focus-variable lens and a rotating mirror. A holographic printer according to an embodiment of the present invention comprises: a first optical engine and a second optical...
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WO/2023/114115A1 |
A system includes a light outputting element configured to output a first beam propagating toward a beam interference zone from a first side of the beam interference zone. The system also includes a wavefront shaping assembly disposed at...
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WO/2023/113061A1 |
A sub-hogel-based holographic stereogram printing method is provided. A holographic stereogram printer according to an embodiment of the present invention comprises: a modulator for generating an SLM image; a front-end optical system for...
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WO/2023/103112A1 |
Disclosed are a system and a method for generating an invariant polarization transmission light field. The system comprises: a laser light source, a spatial light modulator, a computer, a first lens, a light shielding element, a first qu...
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WO/2023/106431A1 |
A continuous hologram recording method is provided. A holographic printer according to an embodiment of the present invention comprises: a light source that emits light; a modulator that modulates the light emitted from the light source,...
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WO/2023/106430A1 |
A holographic printer using a vibration-free mechanical shutter is provided. A holographic printer, according to an embodiment of the present invention, comprises: a light source which emits light; a modulator which modulates the light e...
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WO/2023/106428A1 |
A method and a system for foveated hologram rendering are provided. A method for foveated hologram rendering according to an embodiment of the present invention comprises: tracking a user's line of sight, rendering a hologram having a fi...
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WO/2023/106438A1 |
Provided is a holographic printer using a mechanical shutter having adjustable exposure time and no vibration. The holographic printer according to an embodiment of the present invention comprises: a light source; a modulator for generat...
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WO/2023/106429A1 |
A hologram generation and streaming method and system using multi-PCs are provided. A hologram streaming service system according to an embodiment of the present invention comprises: a hologram generation server for generating a hologram...
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WO/2023/101274A1 |
The present invention relates to a holographic printer for recording a free-form holographic optical element, the holographic printer comprising: an intermediate plate for fixing a holographic medium; an object light unit which adjusts a...
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WO/2023/101033A1 |
Provided is a security QR code using a hologram. A hologram QR code recording method according to an embodiment of the present invention involves generating a hologram QR code as a holographic fringe pattern and recording the generated h...
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WO/2023/101199A1 |
The present invention relates to a biometric authentication method using a hologram and a device therefor, and more specifically to a biometric authentication method using a hologram and a device therefor, which belong to contactless bio...
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WO/2023/101423A1 |
The present invention relates to an image encoding method based on the periodicity of a phase signal. The image encoding method comprises the steps of: generating a prediction signal for a current signal; decoding a differential signal f...
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WO/2023/099127A1 |
A method (600) of replicating an optical element, the method comprising: illuminating (601) a first optical element (201, 301, 401, 501) with an illumination beam to generate a beam of interest and noise from the first optical element, t...
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WO/2023/096144A1 |
According to an embodiment, an electronic device may comprise: a housing including a first surface, a second surface opposite the first surface, and a third surface between the first surface and the second surface; a display positioned o...
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WO/2023/094045A1 |
The invention relates to a computer-generated hologram (CGH) for use in an interferometric measurement arrangement, and to a method for designing a CGH. The CGH has at least one useful structure and a contamination marker arrangement for...
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WO/2023/086280A1 |
A method includes projecting, with a holographic optical element, a first view of an eye toward an imaging device, and projecting, with the holographic optical element, a second view of the eye, distinct from the first view of the eye, t...
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WO/2023/083727A1 |
The present description relates to an optical wavefront modulation system comprising a first wavefront modulation device (2) and a second wavefront modulation device (3). The first device (2) is arranged upstream of the second device (3)...
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WO/2023/085467A1 |
Disclosed are a noise removal method for a holographic display and a device therefor. The noise removal device comprises: a first filter implemented as a volume grating for removing DC noise included in light modulated by a spatial light...
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WO/2023/086072A1 |
According to an example of the present disclosure, a holographic energy system may include a continuous three-dimensional energy medium, an array of energy devices configured to output first energy operable to modify the continuous three...
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WO/2023/079741A1 |
This optical measuring method includes: a step for configuring an optical system for recording a hologram generated by modulating, using illuminating light and coherent reference light, object light obtained by illuminating a sample with...
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WO/2023/077570A1 |
The present invention provides a polarization hologram calculation method based on high-frequency phase factors. The method comprises three steps: step 1, for any 3D object, firstly recording the complex-amplitude light field distributio...
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WO/2023/080242A1 |
An optical element according to an embodiment comprises a first optical member which is formed from a single crystal, a ceramic, or glass, and to which an emission center excited by control light is added, a first diffraction grating bei...
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WO/2023/074790A1 |
This method for producing an optical element involves: performing recording exposure on a medium having a recording layer containing a polymerizable compound and a photoinitiator; and performing post exposure on the medium in a state whe...
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WO/2023/075368A1 |
The present invention relates to an object shape restoration method capable of precisely removing noise for each shape of an object, the object shape restoration method comprising the steps of: generating an interference pattern image of...
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WO/2023/072669A1 |
A method and an apparatus for reconstructing a Computer-Generated Hologram from a multiple plane image are provided. Reconstructing the Computer-Generated Hologram comprises decoding data representative of at least one patch of at least ...
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WO/2023/074379A1 |
In the present invention, a Fourier transform unit converts a first waveform function of a frequency domain to a second waveform function of a time domain. A STFT unit converts the second waveform function to an intensity spectrogram and...
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WO/2023/075674A1 |
The invention relates to a method for optically characterizing dielectric particles such as virus or biological particles of submicrometre size, by e.g. holographic microscopy. In particular, the invention is directed to mixing dielectri...
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WO/2023/069759A1 |
Method, device, and non-transitory storage medium for adaptive streaming of immersive media are provided. The method may include determining characteristics associated with a scene to be transmitted to the end client, adjusting at least ...
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