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Research on Computer Generated Hologram Used to Three-Dimensional Display

Author: XieZhenWei
Tutor: ChenXiangJun
School: Harbin Institute of Technology
Course: Optics
Keywords: 3D display Computer-generated hologram Matlab
CLC: O438.1
Type: Master's thesis
Year: 2011
Downloads: 231
Quote: 0
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Abstract


In recent years, for three-dimensional display technology is getting hotter and hotter . Optical holography has a great advantage in the records of the three-dimensional information , and the calculation of holography and optical holography as the stringent requirements of environmental conditions , managed to calculate holography to produce three-dimensional objects computer generated holograms become a more popular research topic. This paper reviews the history of the development of the CGH home and abroad CGH technology and three-dimensional display technology research position . Describes the basic theory of diffraction of light as well as two of the more important approximation , Fresnel diffraction and Fraunhofer diffraction, which focuses mainly on computer-generated hologram Fresnel diffraction . Optical holographic theory, the theoretical derivation process of recording and reproduction of the wavefront of the light waves . Then introduced the computer-generated hologram extremely important sampling theorem and space -bandwidth product of two physical concepts . And from the roundabout effect of phase leads to the CGH encoding method - Roman type III detour phase encoding . Detailing the detour phase encoding produced binary Fourier holograms and binary Fresnel holograms . And discuss the use of lower dynamic range mode overflow correction, pieces of one of the ways to improve the quality of computer-generated hologram . Consider the scatter method of making three-dimensional objects computer-generated hologram , followed by theoretical analysis of multi-angle projection method and chromatography . It also presents a multi-angle projection method to reproduce the 3D image of the device . Computer-generated hologram simulation experiments, produced a flat image of the Binary Fourier hologram , using computer simulation to reproduce , CGH optimized filtering , has been optimized analog the current results . Chromatography legal system made ??computer-generated hologram has the depth of a simple three-dimensional objects , and the analog reproduction . After making 3D Max 3D teapot model with multi-angle projection legal system have been calculated hologram , get different angles of the simulation reproduces the like . Compare the advantages and disadvantages of the various different production methods of three-dimensional objects hologram . Its practicality and development prospects .

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CLC: > Mathematical sciences and chemical > Physics > Optics > Information Optics > Holographic optical
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