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Optical Implementation of Incoherent Holographic 3D Display System using Modified Triangular and Mach-Zehender Interferometer  

김승철 (광운대학교 전자공학과 국가지정 3차원 영상미디어 연구실)
구정식 (광운대학교 전자공학과 국가지정 3차원 영상미디어 연구)
김은수 (광운대학교 전자공학과 국가지정 3차원 영상미디어 연구실)
Abstract
In this paper, an incoherent holographic 3D imaging and display system based on the modified triangular and Mach-Zehnder interferometers is optically implemented and some experiments are carried out. Incoherent hologram of a 3D object is generated by using the hologram input system of modified triangular interferometer. Then this complex hologram is reconstructed by using the hologram output system of modified Mach-Zehnder interferometer in which two LCD spatial light modulators and a waveplate are inserted. From the experiment with two point sources having a depth difference of 100 mm each other, it is revealed that each point source can be independently reconstructed at its own focal position from the complex hologram, while both of the bias and conjugate image are simultaneously eliminated at the same time. And in the experiment with the real 3D object of two dices having a depth difference of 30 mm each other, it is also conformed that the bias and conjugate image can be effectively eliminated from the hologram pattern and each 3D dice can be also successfully reconstructed at its own focal position from the complex hologram. These experiment results finally suggest a possibility of implementing a new incoherent holographic 3D imaging and display system using the modified triangular and Mach-Zehender interferometers.
Keywords
3D imaging and display; incoherent holography; modified triangular interferometer; Fresnel zone pattern;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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