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WO/2009/059008 |
In-line holography to create images of a specimen, such as one or more particles dispersed in a transparent medium. Analyzing these images with results from light scattering theory yields the particles' sizes with nanometer resolution, t...
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WO/2009/056876 |
This invention relates to methods and apparatus for displaying images holographically. A method of displaying an image holographically using a spatial lightmodulator (SLM), said SLM having a plurality of SLM pixels, the method comprising...
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WO/2009/056357 |
The invention relates to a method and to a device for producing a hologram as a security feature, a hologram and a security document provided with said type of hologram. The invention also relates to a method and to a device for verifyin...
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WO/2009/056356 |
The invention relates to a method and to a device for producing a hologram (15) as a security feature, a hologram (15) and a security document provided with said type of hologram (15). The claimed hologram (15) is preferably individualis...
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WO/2009/056357 |
The invention relates to a method and to a device for producing a hologram as a security feature, a hologram and a security document provided with said type of hologram. The invention also relates to a method and to a device for verifyin...
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WO/2009/056356 |
The invention relates to a method and to a device for producing a hologram (15) as a security feature, a hologram (15) and a security document provided with said type of hologram (15). The claimed hologram (15) is preferably individualis...
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WO/2009/054054 |
A shrinkage measuring method is a method for measuring the shrinkage of a hologram recording medium which includes an object light applying step of applying object light to the hologram recording medium and a reference light applying ste...
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WO/2009/054040 |
An objective lens (7) is provided for recording a hologram, by collecting recording beams (S) onto a hologram recording medium (B). When the recording beams (S) are inputted as a parallel beam flux, the objective lens (7) collects an on-...
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WO/2009/054044 |
A hologram recording device (A) comprises a recording light applying means for applying recording light (P) which is modulated by a spatial light modulator (15) according to information to be recorded to a recording medium (B) via an obj...
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WO/2009/050934 |
Provided is a hologram recording medium wherein information can be reproduced by a phase-conjugation beam without requiring a mirror for obtaining the phase-conjugation beam and a driving section for such mirror, and a recording density ...
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WO/2009/050294 |
The present invention relates to a light modulating device, comprising a SLM and a pixelated optical element, in which a group of at least two adjacent pixels of the SLM in combination with a corresponding group of pixels in the pixelate...
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WO/2009/050294 |
The present invention relates to a light modulating device, comprising a SLM and a pixelated optical element, in which a group of at least two adjacent pixels of the SLM in combination with a corresponding group of pixels in the pixelate...
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WO/2009/046836 |
The invention relates to a sticker for applying onto an object, comprising a memory layer arrangement (1), into which information can be imported as an optical structure, and comprising an adhesive layer (2), arranged beneath the memory ...
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WO/2009/044470 |
A hologram reproducing device is provided with a reproduction reference beam splitting means (11) for splitting a reference beam (R'), at the time of reproduction, into a main beam (R0) in a main incidence direction to a hologram recordi...
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WO/2009/044586 |
In an optical information recording device and optical information recording method for angularly multiplexing and recording data on pages on the same recording area on a hologram disk, data on each page is sequentially generated by sequ...
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WO/2009/044440 |
A hologram recording device (A) is provided with an optical recording means, which outputs a recording beam (P) modulated corresponding to information to be recorded, as a plurality of irradiation spots (T)on a recording medium (B) and a...
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WO/2009/040570 |
A target image (60) is multiplied by an appropriate phase pattern to provide a phase modified image (61) to which an inverse Fourier transform is applied to generate a source hologram (62). A set of intermediate holograms (63) are genera...
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WO/2009/041161 |
Provided are an apparatus and a method for recording/reproducing optical information for managing the wavelength of a light source at the time of recording/reproducing information by using holography and for limiting the wavelength of a ...
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WO/2009/037330 |
A method for interlaminating a transparent embossed hologram, the transparent embossed hologram comprising a support having two sides, at least one of the two sides either itself being embossed or having a layer thereon which is embossed...
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WO/2009/037219 |
The invention relates to a display for the holographic reconstruction of a three-dimensional scene using means which allow a reduction of speckle patterns. Speckle patterns result in the graining of a holographic reconstruction and worse...
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WO/2009/037332 |
A method for interlaminating an embossed hologram, the embossed hologram comprising an optionally transparent support having two sides, at least one of the two sides either itself being embossed or having a layer thereon which is embosse...
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WO/2009/037334 |
A method for interlaminating a transparent embossed hologram, the transparent embossed hologram comprising a support having two sides, at least one of the two sides either itself being embossed or having a layer thereon which is embossed...
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WO/2009/035310 |
The invention relates to holography and is devoted for hologram copying and Denysiuk type hologram manufacture. The method comprises steps, wherein non-exposed photomaterial (1) is placed in parallel to the master hologram plane (3) and ...
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WO/2009/030501 |
The invention relates to a method for producing colored individualized holograms that are especially used as security elements for security documents and/or valuable documents, and to a device for producing individualized holograms. The ...
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WO/2009/031221 |
A hologram recording/reproducing device (A) comprises a recording optical system (10) for guiding recording light (S) from a spatial light modulator (1) to a recording medium (B), a reproducing optical system (20), which constitutes an o...
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WO/2009/030502 |
The invention relates to a method and a device for producing an individualized hologram, wherein a light beam (3) is generated. According to the method, the light beam (3) is individually modulated in a spatial light modulator (5), a hol...
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WO/2009/027739 |
A method of making a product containing a hologram which has at least two replay colours when viewed at a given replay angle, the method comprises the steps of : (i) recording (Fig. 3) holographic records at multiple recording angles (A,...
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WO/2009/025024 |
A hologram recording device (A) includes a spatial light modulator (4) having an informational light modulation region (41) to modulate a part of the light from a light source (1) into the informational light corresponding to the informa...
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WO/2009/022444 |
In order to record an interference fringe pattern in a recording layer of a medium, a plurality of laser beams are caused to interfere so as to form interference fringes in the recording layer; and during a time period over which the plu...
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WO/2009/022597 |
A hologram recording/reproducing device (10) includes a recording light optical system (1) for recording hologram on a hologram recording medium (27) by irradiating the hologram recording medium (27) with recording light which includes a...
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WO/2009/016105 |
A reduction in speckle patterns in the reconstruction of a 3D scene can be achieved by way of averaging. In a holographic reconstruction device, speckle patterns are intended to be suppressed while taking account of the visible resolutio...
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WO/2009/016105 |
A reduction in speckle patterns in the reconstruction of a 3D scene can be achieved by way of averaging. In a holographic reconstruction device, speckle patterns are intended to be suppressed while taking account of the visible resolutio...
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WO/2009/016105 |
A reduction in speckle patterns in the reconstruction of a 3D scene can be achieved by way of averaging. In a holographic reconstruction device, speckle patterns are intended to be suppressed while taking account of the visible resolutio...
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WO/2009/016694 |
With respect to hologram recording apparatus (A), the pixel regions in spatial light modulator (5) are composed of a recording modulation region for modulating of recording light and a light intensity regulation region capable of regulat...
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WO/2009/017496 |
Systems and methods for performing spectral-spatial mapping in (one and two dimensions) and coded spectroscopy are described. At least one embodiment includes a system for performing spectral-spatial mapping and coded spectroscopy compri...
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WO/2009/013883 |
A film with a hologram pattern visually recognizable irrespective of the stored state, the transported state, the displayed state, and their conditions for a period from its production till its consumption by preventing the hologram patt...
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WO/2009/014506 |
The inventions can be used for counterfeit marking. The inventive element comprises a base in the form of a polymer metallised film. A demetallised area, from which a metal layer is removed, and a metallised area with a hologram in the f...
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WO/2009/014112 |
Disclosed is a volume phase hologram recording material having high sensitivity, high contrast, excellent multiplex recording performance and excellent record holding properties. Also disclosed is a volume phase hologram recording medium...
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WO/2009/014133 |
Disclosed is a composition for holographic recording medium, which can be coated in a uniform thickness and enables to easily produce a high-precision holographic recording medium. Also disclosed is a high-performance, high-density holog...
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WO/2009/011773 |
Electrographic printing of one or more optical elements having a particular profile by electrographic techniques. Such electrographic printing comprises the steps of forming a desired print image, electrographically, on a receiver member...
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WO/2009/011773 |
Electrographic printing of one or more optical elements having a particular profile by electrographic techniques. Such electrographic printing comprises the steps of forming a desired print image, electrographically, on a receiver member...
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WO/2009/008208 |
It is an object to propose a recording method of carrying out a spatial optical phase modulation corresponding to recording data so that the data are recorded on a hologram recording medium in accordance with phase information and a repr...
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WO/2009/004789 |
Provided is a hologram pattern forming method by which manufacturing cost for forming a hologram pattern is reduced, while suppressing cost required for a mother die. A method for manufacturing a film having the hologram pattern is also ...
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WO/2009/000936 |
The present application provides a method of manufacturing a reflection hologram. The method comprises the steps of placing a first pattern of activating material upon a layer of inactive holographic recording material to selectively act...
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WO/2008/151980 |
In known light modulation means, complex phase and amplitude values for modulating light waves are implemented and modulated either separately by two different light modulation means or a light modulation means having two layers of doubl...
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WO/2008/154071 |
An optical device for switching an optical signal between a first optical path and a second optical path, including a substrate, a first guide forming at least a portion of the first optical path, formed on the substrate, and having a mo...
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WO/2008/152682 |
A hologram device comprises a light generator section for generating a coherent signal light modulated in accordance with a coherent reference light and recording information, a coherent optical system which irradiates the signal light a...
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WO/2008/144822 |
This invention relates to a holographic recording medium comprising a holographic recording layer containing a binder or binder forming compound, a photopolymerizable recording monomer composition comprising a cyclic allylic sulfide mono...
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WO/2008/141987 |
The invention relates to a holographic reconstruction system (100) and to a corresponding holographic reconstruction method. The holographic reconstruction system comprises light source means for providing substantially coherent light, r...
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WO/2008/142000 |
A holographic reconstruction system having spatial light modulators (SLM), an eye finder and a position control orients a propagating spatially modulated light wave field (LW) toward at least one eye position (EP3) of an observer's eye, ...
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