Super-parallel holographic correlator with optical fixing |
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| Authors: | Dongdong Teng Biao Wang Tao Geng Furi Ling Fu |
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| Institution: | aElectro-Optics Technology Center, Harbin Institute of Technology, Harbin 150001, PR China;bInstitute of Optoelectronic and Composite Materials, School of Physics and Engineering, Sun Yat-sen University, Guangzhou 510275, PR China |
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| Abstract: | Seven thousand five hundred holograms are stored in 15 locations within a bar of Zn:Mn:Fe:LiNbO3, using a signal beam that propagates along the long axis of the bar. At each location, angular multiplexing is performed with the reference light changing its orientation in two-dimensional space. The same angular multiplexing is repeated at different locations along the long axis of the Zn:Mn:Fe:LiNbO3 bar. When operating as a holographic correlator, an input image is compared simultaneously with the records stored in all locations within the bar and is recalled accurately. |
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| Keywords: | Holographic correlator Zn:Mn:Fe:LiNbO3 Two-center recording |
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