Matches 1 - 33 out of 33


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US20120019884 Bragg Grating Elements For Optical Devices  
Three-dimensional holographic elements are disclosed. Three-dimensional Bragg gratings recorded on bulks of optical material are included in the disclosure. Such elements may be manufactured by...
US20060044637 Hologram changing system  
A method and apparatus for automatically printing a pattern of features from a plurality of hologram masks on a lithographic machine, which method includes arranging the plurality of hologram...
US20140230897 SOLAR CONCENTRATION SYSTEM USING VOLUME HOLOGRAMS  
An electromagnetic wave concentrating system, comprising a photovoltaic material and at least one holographic concentrator. The holographic concentrator includes at least two stacked holographic...
US20090244666 Multicolor holographic replication by masking  
A method is provided for replicating (copying) a multicolor hologram (e.g., a two-color hologram) into a photosensitive layer by masking to produce a copy (replicate) of the hologram in a manner...
US20050219669 Method of forming a rainbow security hologram  
The present invention relates to a method of forming and validating a color-assigned rainbow security hologram of an object, where different parts of the recreated image of the object is presented...
US20130215485 Methods and Apparatus for Holographic Animation  
In an illustrative implementation of this invention, an animated holographic display is created as follows: Multiple HPO holograms in the shape of horizontal strips are recorded on an H2 medium....
US20070070477 Hologram sheet and hologram observation sheet using same, and blinding device  
A main object of the present invention is to provide a hologram observation sheet with a transmission type hologram formed integrally with other members, to be attached with various members for...
US20120026565 Duplicating Holograms  
Methods and systems for optimizing hologram duplication, including illuminating a first master hologram to generate a first data beam modulated by the first master hologram, recording a first copy...
US20150177688 APPARATUS FOR COPYING A HOLOGRAM  
A holographic recording apparatus having a source of illumination, a master hologram containing at least one hologram lamina overlaying, a copy substrate containing a holographic recording medium,...
US20070024938 Method and apparatus using hologram masks for printing composite patterns onto large substrates  
A method for printing a composite pattern into a photosensitive layer on a substrate which includes arranging a hologram mask on a first face of a coupling element; arranging the substrate...
US20080008076 Calibration of Holographic Data Storage Systems Using Holographic Media Calibration Features  
Calibration of holographic data storage systems (HDSS) is provided by utilizing holographic media (4) having calibration features which can be read, written, or read and written by a HDSS (30)....
US20140168735 MULTIPLEXED HOLOGRAM TILING IN A WAVEGUIDE DISPLAY  
Embodiments related near-eye display devices having angularly multiplexed holograms are disclosed. One disclosed embodiment provides a near-eye display device including an image source, a...
US20130188233 APPARATUS AND METHOD FOR FAST GENERATION OF THREE-DIMENSIONAL (3D) HOLOGRAM  
An apparatus for generating a hologram that may generate a three-dimensional (3D) hologram pattern at a high speed may include a pattern setting unit to set points for which hologram patterns are...
US20070206253 Exposure method and method of manufacturing semiconductor device  
The exposure method includes the steps of: illuminating a hologram recording medium, in which a hologram with a first pattern has been recorded by illumination with a laser beam emitted from a...
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...
US20060232838 Method and apparatus for forming a surface-relief hologram mask  
A method for manufacturing a surface-relief hologram mask for use on a lithographic system based on TIR holography that includes providing a master hologram mask of a pattern recorded using TIR...
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...
US20120062967 Duplicating diffractive optical elements  
Methods and systems for duplicating holograms, including illuminating a master hologram using a first portion of a beam to generate a data beam, recording a copy hologram using a second portion of...
US20130301090 SECURITY HOLOGRAMS  
We describe methods of mass-producing full colour, 3D holograms, potentially incorporating a personalised image, which are particularly suitable for security purposes. Broadly speaking in...
US20120038959 WIDE ANGLE HOLOGRAM DEVICE ILLUMINATED WITH A NEAR FIELD SOURCE AND METHOD FOR MANUFACTURING SAME  
A method of manufacturing a master for producing a hologram device is provided. The holographic image reconstructs when the photosensitive film of the hologram device is struck by a beam of light...
US20110249309 COMPACT HOLOGRAHIC HUMAN-MACHINE INTERFACE  
A method of recording an object image of a first hologram as a second hologram is provided. A first hologram is recorded at a first angle of reconstruction and a holographic recording medium is...
US20060007512 Hologram recording apparatus and hologram recording method  
At the time of varying the angle of a scan mirror for varying the angle of incidence of a reference beam on a hologram recording material, the angle of a slit is also varied in conjunction,...
US20090168130 HOLOGRAM RECORDING METHOD AND HOLOGRAM RECORDING DEVICE  
A recording medium is stacked on a master recording body, to which reference beams are applied each at an incident angle. The interference between diffracted beams diffracted in the data storage...
US20100208226 Holographic exposure apparatuses  
A holographic exposure apparatus may include an object to be exposed, a holographic mask on which a pattern to be transferred onto the object is formed, a stage to support the mask, and a gap...
US20100208316 Holographic exposure apparatuses  
A holographic exposure apparatus may include a main body, a mask stage supported by the body, a holographic mask supported by the mask stage, and a driving unit disposed between the body and mask...
US20120206781 IMAGE RECORDING MEDIUM, HOLOGRAM REPLICATING DEVICE AND HOLOGRAM REPLICATING METHOD  
An image recording medium in which a refractive index modulation is recorded in a material in a layer such that, when the hologram recording medium is illuminated from a predetermined angle and a...
US20120044552 IMAGE RECORDING MEDIUM, HOLOGRAM REPLICATING DEVICE AND HOLOGRAM REPLICATING METHOD  
An image recording medium in which a refractive index modulation is recorded in a material in a layer such that, when the hologram recording medium is illuminated from a predetermined angle and a...
US20080297865 REPRODUCING APPARATUS, REPRODUCING METHOD, RECORDING AND REPRODUCING APPARATUS, RECORDING AND REPRODUCING METHOD, RECORDING APPARATUS, AND RECORDING METHOD  
A reproducing apparatus, reproducing method, recording and reproducing apparatus, recording and reproducing method, recording apparatus, and recording method are provided. A reproducing apparatus...
US20170038729 HOLOGRAPHIC-STEREOGRAM-FORMING APPARATUS, DIFFUSING MEMBER, AND HOLOGRAPHIC-STEREOGRAM-FORMING METHOD  
A holographic-stereogram-forming apparatus includes a laser beam source that generates a laser beam to be split into an object beam and a reference beam; a display that displays an original image...
US20150378306 METHOD FOR ILLUMINATION OF A HOLOGRAM IN HOLOGRAPHIC LITHOGRAPHY AND A MULTI-COMPONENT ILLUMINATOR FOR CARRYING OUT THE METHOD  
A method and a multi-component illuminator for illumination of a hologram in holographic lithography in which a coherent beam is split into a plurality of individual laser light beams by means of...
US20150286186 APPARATUS AND METHOD FOR FAST GENERATION OF THREE-DIMENSIONAL (3D) HOLOGRAM  
An apparatus for generating a hologram that may generate a three-dimensional (3D) hologram pattern at a high speed may include a pattern setting unit to set points for which hologram patterns are...
US20150185698 METHOD FOR PRODUCING A BEAM SHAPING HOLOGRAPHIC OPTICAL ELEMENT  
The present disclosure relates to a method for producing a beam shaping holographic optical element, which is configured to generate diffracted beams configured to reconstruct an image of a...
US20110205606 EXPOSING DEVICE AND IMAGE FORMING APPARATUS  
There is provided an exposing device including: a light emitting element array of plural light emitting elements arrayed in a row with a first separation along a predetermined direction; and a...

Matches 1 - 33 out of 33