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US20150168625 CURVED VOLUME PHASE HOLOGRAPHIC (VPH) DIFFRACTION GRATING WITH TILTED FRINGES AND SPECTROGRAPHS USING SAME  
The subject matter described herein includes a curved VPH grating with tilted fringes and spectrographs, both retroreflective and transmissive, that use such gratings. A VPH grating according to...
US20120099170 SEE-THROUGH DISPLAY AND HEAD-UP DISPLAY  
A see-through display including a light source for emitting light, a projection optical system for projecting the light emitted by the light source, and a volume hologram for deflecting the light...
US20060109531 Laser marking hologram and hologram-oriented laser marking method  
The present invention is provided to enhance security of a volume hologram by recording therein individualized information such as information of character, numerical character, picture pattern,...
US20070008595 Transparent card with hologram, and apparatus or recognizing transparent card with hologram  
A main object of the present invention is to provide a transparent card with a hologram having the excellent design property and a high security property. The present invention achieves the object...
US20100020373 HOLOGRAPHIC STORAGE MEDIUM AND METHOD FOR GATED DIFFUSION OF PHOTOACTIVE MONOMER  
An optical medium is provided. The optical medium comprises: a diffusion-controlling matrix framework; at least one photoactive monomer attached to the diffusion-controlling matrix framework in a...
US20070285747 Hologram Sheet and Method for Producing Same, Hologram Sticker, Hologram Card and Method for Producing Same  
The present invention provides a durable hologram sheet whose thickness can easily be reduced and a method for manufacturing the hologram sheet, a hologram label, and a hologram card and a method...
US20060019172 Volume hologram resin composition, surface relief hologram resin composition, and hologram layer, hologram transfer foil and brittle hologram label using the same  
The major object of the invention is to provide a volume-type hologram resin composition and a surface relief-type hologram resin composition having a high effect of preventing forgery and...
US20080316556 VOLUME HOLOGRAM TRANSFER FOIL, VOLUME HOLOGRAM LAMINATE, AND PRODUCTION METHOD THEREOF  
A major object of the present invention is to provide a volume hologram transfer foil that gives a volume hologram laminate higher in antiforgery function, The present invention achieves the...
US20090286165 HOLOGRAM LAMINATE, HOLOGRAM COPY METHOD, AND HOLOGRAM PRODUCING METHOD  
A hologram laminate is provided. The hologram laminate includes a hologram record layer, and a surface protection layer. The hologram record layer is made of a photosensitive material. The surface...
US20140016167 VOLUME HOLOGRAM TRANSFER FOIL, VOLUME HOLOGRAM LAMINATE, AND PRODUCTION METHOD THEREOF  
A major object of the present invention is to provide a volume hologram transfer foil that gives a volume hologram laminate higher in antiforgery function. The present invention achieves the...
US20070236764 SILVER HALIDE HOLOGRAHIC SENSITIVE MATERIAL AND SYSTEM FOR TAKING HOLOGRAHIC IMAGES BY USING THE SAME  
A silver halide-holographic sensitive material is provided and has a support and at least one photosensitive emulsion layer, with the photosensitive emulsion layer containing silver halide...
US20140240805 METHOD OF PRODUCING VOLUME HOLOGRAM LAMINATE  
A main object of the present invention is to provide a method of producing a volume hologram laminate which can regenerate a hologram image in an arbitrary wavelength by a simple process. To...
US20100097670 Holographic storage system with improved beam overlap  
An apparatus and a method for reading from and/or writing to holographic storage media using a coaxial arrangement of an object beam and one or more reference beams or a coaxial arrangement of a...
US20070013983 Holographic viewing device, and holographic viewing card incorporating it  
The invention relates to a holographic viewing device that enable printing or the like to be directly applied to a transmission hologram substrate without recourse to any frame for supporting and...
US20120002197 Method and Apparatus Using Volume Holographic Wavelength Blockers  
The invention disclosed here teaches methods to fabricate and utilize a non-dispersive holographic wavelength blocker. The invention enables the observation of the Raman signal near the excitation...
US20080252953 Holographic Storage And Regeneration System Having Servo Mechanism  
A holographic storage and regeneration system includes a holographic recording medium, a light source, a spatial light modulator, and a conjugate servo light guidance portion. The light source...
US20080043301 HOLOGRAPHIC DISPLAY AND METHODS OF MANUFACTURE AND USE  
A rewriteable diffraction grating contains first nanoparticles and second nanoparticles. Each first nanoparticle is configured and arranged to generate one or more charge carriers in response to a...
US20050036179 Holographic storage medium comprising metal-containing high refractive index region, and storage article containing same  
Holographic storage media comprise two substrates and a core between them, the core comprising thermoplastic photopolymer and a titanium or zirconium compound as a high refractive index material....
US20060262366 Holograms with a discontinuous metal layer comprising regions of dissimilar transmittance and articles incorporating them  
A holographic overlay comprising a holographic design and a plurality of zones of varying transmittance to increase viewability of underlying information-bearing areas of a document. The plurality...
US20140160542 Novel method of fast fourier transform (FFT) analysis using waveform-embedded or waveform-modulated coherent beams and holograms  
Method of Fast Fourier Transform (FFT) Analysis for collecting waveforms and other vibrational intelligence and modulating or embedding same into one or more coherent reference beams of an...
US20150234349 TRANSFER SHEET FOR HOLOGRAM AND DESIGN FORMATION, MANUFACTURING PROCESS THEREFOR, AND MANUFACTURING PROCESS FOR HOLOGRAM-DESIGN-BEARING OBJECT  
A hologram-forming layer is formed on all or a portion of a specified face of a sheet-like base material. A reversal-embossment-recording area with a reversal form of the desired hologram record...
US20100014133 METHOD TO MODIFY AND APPLY EDGE SEAL MATERIALS IN LAMINATED MEDIA  
An article with a pair of substrates made from a thermoplastic and each having an outer edge; a holographic storage medium positioned between the substrates such that the holographic storage...
US20080309996 Surface Relief Volume Reflective Diffractive Structure  
Disclosed is a surface relief structure. The structure includes a recording medium configured to be structurally modified when exposed to interfering and non-interfering portions of radiation...
US20070216977 Holographic storage medium  
The present invention relates to a holographic storage medium, and more specifically to a holographic storage medium which avoids the interference between a reference beam and a reconstructed...
US20090021811 OPTICAL INFORMATION RECORDING APPARATUS  
An optical information recording apparatus includes a light source that emits an irradiation light; a spatial light modulator that converts the irradiation light to an information light carrying...
US20140204436 METHODS AND APPARATUSES FOR MANUFACTURING ULTRALONG FIBER BRAGG GRATINGS WITH ARBITRARY REFLECTION WAVELENGTH  
Described are methods and apparatuses for manufacturing ultralong fiber Bragg gratings with arbitrary reflection wavelength. The method may include: generating two holographic beams entering a...
US20100208313 SECURITY AND SENSING ELEMENTS WITH VOLUME HOLOGRAMS  
The nature of a volume hologram limits its use in security and sensing applications. Accordingly, a volume hologram segregated into a first and second region recording a first and second image,...
US20070008597 Computer generated hologram optical element  
A main object of the present invention is to provide a computer-generated hologram optical element with little decline of the image converting function even when a pollutant such as oil and water...
US20050136333 Novel optical storage materials based on narrowband optical properties  
Holographic storage media including a substrate and a dye material capable of undergoing a photo-induced change are disclosed. Data may be written into the holographic storage media using light of...
US20070211319 DISPLAY APPARATUS, HOLOGRAM REPRODUCTION APPARATUS AND APPARATUS UTILIZING HOLOGRAM  
The invention is to provide a novel display apparatus. The display apparatus includes a display device including a layer constructed by including an alkali halide or an alkali earth halide of...
US20140218778 Hologram  
A substrate includes a diffracting structure providing a hologram (20, 6). The diffracting structure encodes a holographic image so that thatholographic image is produced in response to reference...
US20090290202 HOLOGRAM RECORDING MEDIUM AND HOLOGRAM RECORDING/REPRODUCTION DEVICE  
A hologram recording medium has a substrate and a hologram recording layer into or from which information is recorded or reproduced by a hologram, and a concavo-convex pattern having a reflection...
US20110163298 Graphene and Hexagonal Boron Nitride Devices  
Graphene layers, hexagonal boron nitride (hBN) layers, as well as other materials made of primarily sp2 bonded atoms and associated methods are disclosed. In one aspect, the present invention...
US20050041271 Moving image holography reproducing device and color moving image holography reproducing device  
A moving-image holographic reproducing device that includes a reflective liquid crystal display and further a light-emitting diode functioning as a light source and that is capable of reproducing...
US20100039684 SENSITIZER DYES FOR PHOTOACID GENERATING SYSTEMS USING SHORT VISIBLE WAVELENGTHS  
Photosensitizing dyes are often used in conjunction with a photoacid generator in photopolymerizable materials and in holographic recording media. Typical dyes for these materials are used in the...
US20120026564 COMPLEX HOLOGRAMS, METHOD OF MAKING AND USING COMPLEX HOLOGRAMS  
A method of making a hologram includes recording a first hologram in a holographic recording medium at a first deformation ratio; changing the first deformation ratio to a second deformation ratio...
US20050122549 Computer assisted hologram forming method and apparatus  
The present invention provides a computer-assisted hologram forming method and apparatus. More particularly, the present invention provides a method for forming a hologram that can be illuminated...
US20150212487 PHOTOSENSITIVE COMPOSITION FOR VOLUME HOLOGRAM RECORDING, PHOTOSENSITIVE SUBSTRATE FOR VOLUME HOLOGRAM RECORDING, AND VOLUME HOLOGRAM RECORDED MEDIUM  
The present invention is to provide: a photosensitive composition for volume hologram recording and a photosensitive substrate for volume hologram recording, which provide increased sensitivity...
US20060234132 Holographic sensors and their production  
A sensor comprising a medium and, disposed throughout the volume thereof, a holographic element whose fringes are defined by different degrees of swellability in a liquid.
US20100104952 METHOD OF PRODUCING VOLUME HOLOGRAM LAMINATE  
A method of producing a volume hologram laminate which can regenerate a hologram image in an arbitrary wavelength by a simple process. The method uses a volume hologram forming substrate which...
US20050084801 Photonics data storage system using a polypeptide material and method for making same  
A photonics data storage system according to the present invention is described comprising a storage material, a data recording/storage apparatus for recording information in this storage...
US20060199081 Holographic storage medium, article and method  
Disclosed are a holographic storage medium, a method for producing a holographic storage medium, a method for storing data on a holographic storage medium, and an optical reading method. The...
US20090219798 REPRODUCTION METHOD AND HOLOGRAM RECORDING MEDIUM  
Disclosed is a reproduction method for a hologram recording medium on which information is recorded with interference fringes of signal light and reference light, including: generating, based on...
US20090268267 HOLOGRAM RECORDING CARRIER AND HOLOGRAM APPARATUS  
A hologram recording carrier that information is recorded into or reproduced from by irradiating light, comprises a hologram recording layer to store an optical interference pattern by coherent...
US20080247011 DATA STORAGE METHOD AND DEVICE  
A method for storing data including: providing a first substrate having a plurality of micro-holograms therein, the micro-holograms being indicative of the data; providing a second...
US20090161188 HOLOGRAPHIC GRATINGS AND METHOD FOR FABRICATING THE SAME  
A holographic grating is provided. The holographic grating includes a plurality of first structural areas including acrylic polymer with a first refractive index and a plurality of second...
US20060147810 Holographic optical elements, devices and methods  
Holographic optical elements, devices and methods are disclosed. The holographic optical elements include calamitic materials. This is advantageous because the holographic medium in which the...
US20090046334 HROM REPLICATION METHODS, DEVICES OR SYSTEMS, ARTICLES USED IN SAME AND ARTICLES GENERATED BY SAME  
HROM replication methods, devices or systems are disclosed herein. Also disclosed herein are articles comprising conical reference (reconstruction) beam hologram elements to generate conical or...
US20140192388 METHOD AND APPARATUS FOR QUANTUM HOLOGRAPHIC INFORMATION PROCESSING  
Encoding of quantum algorithm and devices therefrom are provided. The encoding includes receiving a unitary matrix operator representing the quantum algorithm, each row of the unitary matrix...
US20090097085 HOLOGRAM RECORDING MEDIUM  
The present invention provides a hologram recording medium wherein high refractive index change, flexibility, low scattering, environment resistance, durability, low dimensional change (low...

Matches 1 - 50 out of 171 1 2 3 4 >