| 实时图像反转与实时图像高低通滤波 |
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| 引用本文： | 赵桦 李铭华. 实时图像反转与实时图像高低通滤波[J]. 光学学报, 1995, 15(6): 34-737 |
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| 作者姓名： | 赵桦 李铭华 |
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| 作者单位： | 哈尔滨工业大学应用物理系，哈尔滨工业大学应用化学系 |
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| 摘 要： | 报道了以Ｃｅ，Ｆｅ：ＬｉＮｂＯ３薄晶体作记录介质，利用Ｔｉ，Ｃｕ：ＫＮＳＢＮ晶体猫式自泵浦位相共轭镜供反向读出光新型实时光学处理器，该处理器可以实现图像反转，图像高，低通滤滤等操作。文中还给出了基于全息记录与擦除、自衍射与尺寸效应等的机理解释。
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| 关 键 词： | 图像反转 带通滤波器 自泵浦位相共轭 |
| 收稿时间： | 1994-03-25 |
Real-Time Image Reversation and Real-Time High-and Low-Pass Filtering |
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| Zhao Hua, Sun Wanjun, Zhang Jingwen, Xu Kebin. Real-Time Image Reversation and Real-Time High-and Low-Pass Filtering[J]. Acta Optica Sinica, 1995, 15(6): 34-737 |
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| Authors: | Zhao Hua Sun Wanjun Zhang Jingwen Xu Kebin |
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| Abstract: | A novel real-time optical processor is demostrated by using a Ti, Cu:KNSBN self-pumped phase conjugator to produce opposite reading light and a thin piece of Ce, Fe :LiNbO3 crystal as memory medium. The processor can be used to perform operations of image reversation and 2D image high-and low-pass filtering. The mechanism analyses based on writing and erasure of the hologram, self diffraction and size effect are given. |
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| Keywords: | image reversation band-pass filter self-pumped phase conjugation. |
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