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圆柱雾屏承载相息图光电再现三维影像的实验研究 被引量:2

Experimental Study on Carrying Three-Dimensional Image with Cylinder Mist Screen in Electro-Holographic Reconstruction
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摘要 提出了一种基于圆柱雾屏承载全息光电再现三维(3D)影像的方法。通过基于菲涅耳衍射原理的动态随机相位层析法(DPP-TCH)结合空间坐标变换技术计算获得3D物体360°视角相息图,对每视角单幅相息图及每视角多幅相息图的数值再现结果进行对比分析。构建了基于液晶空间光调制器(LC-SLM)的实验系统进行全息光电再现,并采用圆柱雾屏对光电再现3D影像进行承载实验。实验结果表明,该系统可有效地实现3D物体的全息光电再现动态影像的空间承载,抑制3D再现像的散斑噪声。 A method is proposed for carrying three-dimensional(3D)image with cylinder mist screen in electro-holographic reconstruction.360° kinoforms of 3D object are generated by use of dynamic pseudorandom-phase tomographic computer holography(DPP-TCH)and spatial coordinate transformation.The results of numerical reconstruction with single kinoform and multiple kinoforms of each viewing angle are analyzed.Experimental system is designed for optoelectronic holographic reconstruction based on cylinder mist screen and liquid crystal spatial light modulator(LC-SLM).Experimental results show that the proposed method is capable of spatially carrying reconstructed 3D image in optoelectronic holography,and suppressing the speckle noise of 3D image.
出处 《激光与光电子学进展》 CSCD 北大核心 2010年第10期58-63,共6页 Laser & Optoelectronics Progress
基金 国家自然科学基金(60772124) 上海市科委国际合作项目(09530708700) 上海大学研究生创新基金(SHUCX102195)资助课题
关键词 计算全息 三维影像承载 圆柱雾屏 光电再现 computer holography three-dimensional image carrying cylinder mist screen optoelectronic reconstruction
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