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新型双通道计算全息图 被引量:3

New two-channel computer-generated Holograms
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摘要 提出了一种新的制作双通道计算全息图的方法。通过在一张全息图中同时记录一个物体傅里叶频谱的复共轭信息和另一个物体的傅里叶频谱信息,重新设计计算全息图的抽样单元,使输入的两个平面物体,同时再现在同一衍射级的相同或不同方向上,再现的两个像在空间完全分离开来,从而实现了载波信息的通道变化。该方法已经在实验中得到了印证,文中给出了相应的原理和实验结果。 A new method for making two-channel Computer-generated Holograms (CGH) was proposed in this paper. Sample cell of CGH was designed by recording the complex conjugate information of one object's Fourier spectrum and the information of the other object's Fourier spectrum on one hologram, and the two plane objects were reconstructed in the same or different direction and same diffraction order simultaneously, and then two reconstructed image separated from each other in the space to realize the channels change of carrier wave communication. The experimental results show the feasibility of this method.
出处 《光电工程》 EI CAS CSCD 北大核心 2007年第3期114-117,共4页 Opto-Electronic Engineering
关键词 迂回位相 计算机全息图 傅里叶变换 平面物体 Detour phase Computer-generated hologram Fourier transform Plane object
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  • 1Araiza-Esquivel M.A,Guel-Sandoval S.Multichannel computer generated holograms[A].LEOS Summer Topical Meeting[C].Aventura,FL,USA:IEEE,2000.15-16.
  • 2M.Araiza-Esquivel,S.Guel-Sandoval.Two-channel computer-generated holograms:a simplified method[J].Optics and Laser in Engineering,2003,39(5/6):629-634.
  • 3David Mendlovic,Irena Kiryuschev.Two-channel computer-generated hologram and its application for optical correlation[J].Optics Communications,1995,116(4-6):322-325.
  • 4封余军,周进,谈苏庆,高文琦.在计算全息中实现双通道多形式的再现像[J].激光杂志,2000,21(2):50-57. 被引量:3
  • 5鲁越晖.双通道计算全息及仿真再现[J].应用激光,2002,22(6):548-550. 被引量:3

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