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US20080252951 Reference beam coupler for an apparatus for reading from and/or writing to holographic storage media  
The present invention relates to a reference beam coupler for an apparatus for reading from and/or writing to holographic storage media, to a multiplexing scheme using the reference beam coupler,...
US20060126142 Illumination apparatus for display device using hologram-based light guide plate (LGP)  
An illumination apparatus and method for a display device designed such that light is incident on a hologram or hologram pattern at an angle for which diffraction efficiency is the highest. The...
US20090296177 METHOD AND APPARATUS FOR USING A HOLOGRAM TO CONTROL THE OPTICAL FIELD DISTRIBUTION OF LIGHT GENERATED BY A LIGHT SOURCE AND LAUNCHED INTO AN END OF AN OPTICAL WAVEGUIDE  
A diffractive coupling element based on a computer-generated hologram is used in an optical coupling system of a transmitter to control the launch of laser light from a laser light source onto an...
US20090051987 Method and arrangement for producing a hologram  
A method and arrangement for producing a hologram of an object uses light, having photon packets, to illuminate the object and to serve as a reference light. Each photon packet includes a plurality...
US20090122375 Holographic information recording and reproducing apparatus for the same  
In a holographic information recording and reproducing apparatus, an optical fiber guides a reference beam toward a recording medium for holographic recording, and a precision rotator is turned, so...
US20100259804 Illumination Unit Comprising an Optical Wave Guide and an Imaging Means  
Disclosed is an illumination unit comprising a strip-type optical wave guide and an imaging means, and providing a very high light efficiency with a reduced number of primary light sources. The...
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