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Class 359/30 - Having optical element between object and recording medium


Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter comprising systems for producing holograms
No. of applications: 56
Last issue date: 05/24/2012


1    
Application No.Application TitleIssue Date
20120127548MONOCULAR HOLOGRAPHIC DATA STORAGE SYSTEM ARCHITECTURE
A monocular holographic storage device or system to provide for compact recording and/or reading of data pages in a holographic storage medium. Also provided are methods for carrying out such data storage and/or data recovery using a monocular holographic storage device...
05/24/2012
20110134497Hologram Generating Device And Hologram Printer
[Object] Provided are a hologram generating device and a hologram generating method that allows the generation of a hologram for reproducing an easily observable three-dimensional image without restrictions on object sizes.

[Solving means] ...

06/09/2011
20110058240System and Method for Autostereoscopic Imaging Using Holographic Optical Element
Systems and methods for creating an autostereoscopic display include a holographic optical element (HOE) recorded using coherent light divided into diverging reference and object beams that illuminate the HOE from opposite sides. The object beam passes through first and...
03/10/2011
20110043878DIGITAL HOLOGRAPHIC MICROSCOPY
An optical configuration for a digital holographic microscope and a method for digital holographic microscopy are presented. In one embodiment, digital off-axis holograms are obtained using a cube beam splitter (110) to both split and combine a diverging spherica...
02/24/2011
20110032587System and Method for Autostereoscopic Imaging
Systems and methods for autostereoscopic display of three-dimensional images include a holographic optical element made by preparing a silver halide gelatin emulsion, coating one side of a glass substrate with the emulsion, holographically recording an eyebox on the coa...
02/10/2011
20100245954Dual-Function Alignment Layer For Liquid Crystal Devices To Improve Degradation Resistance To Radiation
A liquid crystal alignment layer both offers a surface to which the liquid crystal molecules align, and maintains conductive properties required for the liquid crystal molecules to be manipulated by an applied electrical field. Advantages of the alignment layer offer re...
09/30/2010
20100128333HOLOGRAM RECORDING AND REPRODUCING SYSTEM
A hologram recording and reproducing system for recording information to or reproducing information from a recording medium which stores an optical interference pattern of a reference beam and a signal beam as a diffraction grating, the system comprising: a light source...
05/27/2010
20100103490Optical Information Recording Reproducing Apparatus
In the optical information recording reproducing apparatus that makes a reference light beam to interfere with an information light beam so as to record the information of the information light beam in a recording medium based on a two light beam interference method, or...
04/29/2010
20100097670Holographic 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 reconstructed object beam and one or more reference beams is proposed. A fo...
04/22/2010
20100091349RECORDING AND REPRODUCING DEVICE AND POLARIZATION DIRECTION CONTROLLING METHOD
Disclosed herein is a recording and reproducing device including: a light source; an intensity modulating section; a polarization beam splitter; a selective polarization direction controlling section; a linearly polarized light/circularly polarized light converting sect...
04/15/2010
20100014138High Areal Density Holographic Data Storage System
An apparatus for recording or reading high areal density holographically stored information with high signal-to-noise ratio. The apparatus comprises a holographic imaging system for recording or reconstructing a holographic image, having a first numerical aperture and a...
01/21/2010
20090303559SYSTEM, APPARATUS AND METHOD FOR EXTRACTING THREE-DIMENSIONAL INFORMATION OF AN OBJECT FROM RECEIVED ELECTROMAGNETIC RADIATION
An apparatus and method to produce a hologram of an object includes an electromagnetic radiation assembly configured to receive a received electromagnetic radiation, such as light, from the object. The electromagnetic radiation assembly is further configured to diffract...
12/10/2009
20090284814SETUP FOR STORING DATA IN A HOLOGRAPHIC STORAGE MEDIUM AND PHASE PLATE
The present invention relates to a setup for storing data in a holographic storage medium, said setup comprising a spatial light modulator (SLM) (18) and a phase plate (50), the spatial light modulator having a first pixel structure, the phase plate having...
11/19/2009
20090279152HOLOGRAM RECORDER
A hologram recording apparatus includes an objective lens (7) for illuminating a hologram recording medium (B) with a recording beam (S) in a manner such that the recording beam overlaps a reference beam, thereby performing multiple recording of holograms at a po...
11/12/2009
20090262408OPTICAL PICKUP APPARATUS AND HOLOGRAM RECORDING AND REPRODUCING SYSTEM
An optical pickup apparatus includes a light source for generating a coherent beam, a spatial light modulator having a central region arranged on an optical axis of the coherent beam and an annular region arranged in a manner surrounding the central region, to spatially...
10/22/2009
20090251751Optical Imaging System
An illumination device for an optical imaging apparatus, such as a microscope. The illumination of a slide specimen is achieved when divergent light for a point light source or a plurality of point light sources illuminate the specimen converging at high angles at equal...
10/08/2009
20090128876HOLOGRAM RECORDING DEVICE
A hologram recording device records holograms by interference between an recording beam and a reference beam. The device includes an objective lens exhibiting a predetermined aberration. It is supposed that the laser beam applied to the beam splitter has an light intens...
05/21/2009
20090103154RECORDING APPARATUS AND INFORMATION PROCESSING APPARATUS EQIUPPED WITH THE SAME
A recording apparatus includes a first light source irradiating first laser light, a second light source irradiating second laser light, an optical spatial modulating unit applying information to the first laser light, and an objective lens collecting the first laser li...
04/23/2009
20090080042MONOCULAR HOLOGRAPHIC DATA STORAGE SYSTEM ARCHITECTURE
A monocular holographic storage device or system to provide for compact recording and/or reading of data pages in a holographic storage medium. Also provided are methods for carrying out such data storage and/or data recovery using a monocular holographic storage device...
03/26/2009
20090051990Phase mask for holographic data storage
The present invention relates to a phase mask for holographic data storage, and to a method and an apparatus for reading from and/or writing to holographic storage media using such a phase mask.

According to the invention, the phase mask ha...

02/26/2009
20090040577System and method for holographic storage
A system and a method for holographic storage mainly involve forming a holographic interference pattern in a holographic recording medium. The holographic storage system utilizes a light source to emit a coherent beam. The coherent beam is irradiated to a first reflecto...
02/12/2009
20090027747HOLOGRAPHIC MICROSCOPY OF HOLOGRAPHICALLY TRAPPED THREE-DIMENSIONAL STRUCTURES
A method and system for performing three-dimensional holographic microscopy of an optically trapped structure. The method and system use an inverted optical microscope, a laser source which generates a trapping laser beam wherein the laser beam is focused by an objectiv...
01/29/2009
20090021811OPTICAL 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 information; a condenser lens that converges the information light and a re...
01/22/2009
20090021814HOLOGRAM APPARATUS AND METHOD THEREOF
Hologram recording and reconstruction apparatuses and method thereof are provided. The hologram recording apparatus comprises a laser source, a spatial light modulator, and a Fourier lens. The laser source provides a coherent light beam. The spatial light modulator rece...
01/22/2009
20090015890Hologram element, hologram element fabricating apparatus, hologram element fabricating method, and hologram reconstructing apparatus used for reconstructing information
A reference beam is deflected by an angularly rotating mirror, and applied to a hologram recording medium at a set incident angle. The relevant applied reference beam and a signal beam are superposed within the hologram recording medium, and light intensity distribution...
01/15/2009
20080309999HOLOGRAPHIC RECORDING DEVICE
A holographic recorder (A1) can vary the optical distance between an object lens (8) and a relay lens (7b) near the object lens (8). This arrangement allows defocus-multiplexing utilizing state variations in the laser beam when the bea...
12/18/2008
20080285100Apparatus and Method for Producing a Hologram
The present invention relates to a method and apparatus for producing a hologram, in particular a dot matrix volume hologram. A holographic recording system (1) comprises a source of optical radiation (7), a transparent or partially transparent holographic...
11/20/2008
20080252953Holographic 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 generates a signal light and a reference light. The spatial light modulator m...
10/16/2008
20080239428NON-FT PLANE ANGULAR FILTERS
Non-Fourier Transform (FT) plane angular filters and their use in holographic storage systems or devices for angular filtering of a data beam prior to recording holographic data or for angular filtering of a recovered beam prior to detecting the recovered holographic da...
10/02/2008
20080240706ACTUATOR
An actuator includes a rotor, a stator containing the rotor, and a bearing to support the rotor to be rotatable with respect to the stator about the central axis of the rotor and an axis perpendicular to the central axis. The rotor includes rotor central magnetic poles,...
10/02/2008
20080151340HOLOGRAPHIC PRINTER
A single method and apparatus for producing many of the most common types of hologram from digital data is disclosed. The data are generated entirely by a computer as a 3-D (animated) model or from multiple 2-D camera images taken of a real 3-D (moving) object or scene ...
06/26/2008
20080137162HOLOGRAM INFORMATION REPRODUCING DEVICE
A hologram information reproducing device is described which can reproduce information from a recording medium on which hologram information is recorded, and which can be downsized. In one aspect, when light from a light source is emitted, the light is converted into pa...
06/12/2008
20080100890MONOCULAR HOLOGRAPHIC DATA STORAGE SYSTEM ARCHITECTURE
A monocular holographic storage device or system to provide for compact recording and/or reading of data pages in a holographic storage medium. Also provided are methods for carrying out such data storage and/or data recovery using a monocular holographic storage device...
05/01/2008
20080080030RECORDING APPARATUS AND PHASE MODULATION DEVICE
A recording apparatus performing at least recording with respect to a hologram recording medium is disclosed. The recording medium includes: a light emitting means for emitting light to be radiated with respect to the hologram recording medium set at a prescribed positi...
04/03/2008
20080049283SHIFT TOLERANT LENS OPTIMIZED FOR PHASE CONJUGATING HOLOGRAPHIC SYSTEMS
A new type of FT lens is provided that improves phase conjugation in holographic data systems. This type of FT lens has a uniquely large isoplanatic patch. This enables relaxed assembly tolerances, asymmetric reader/writer architectures, and compensation for tilted plat...
02/28/2008
20080007808Hologram Recording and Reproducing Method, Device and System
A hologram device includes: a support section that keeps hold of, to be able to be attachable and removable, a hologram record carrier including a hologram recording layer stored therein with an optical interference pattern of a coherent signal light and a coherent refe...
01/10/2008
20070285753Systems and Methods for Producing Wide Field-of-View Holographic Displays
Hologram recording devices and techniques can be employed to produce wide field-of-view holograms. In one embodiment, a specialized lens is used to couple an object beam into a holographic recording material without substantially changing the angle of incidence of the o...
12/13/2007
20070258119Optical Device, an Optical System and a Method of Manufacturing a Holographic Optical Element
This invention relates to an optical device and system for producing a holographic optical element or digital hologram. Various techniques of producing digital holograms have been proposed. However, they tend to suffer from long exposure times, as well as problems assoc...
11/08/2007
20070223075Hologram Apparatus
A hologram apparatus that can reproduce, with a simple configuration, information in a hologram recorded by wavelength multiplexing is provided.

In a hologram apparatus, light from a light source 10 enters a hologram 2a

09/27/2007
20070171495Hologram apparatus and recording method of the same
A hologram apparatus comprises a light detection unit detecting a light intensity of at least one of the data beam and the reference beam; a determination unit determining whether light intensities of the data beam and the reference beam reach to a reference value which...
07/26/2007
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