| 同时获得高亮度检测场和高衬比条纹的实时全息记录方法 |
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| 引用本文： | 熊秉衡,张永安,王正荣,佘灿麟,吕晓旭.同时获得高亮度检测场和高衬比条纹的实时全息记录方法[J].光学学报,1999,19(5):04-608. |
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| 作者姓名： | 熊秉衡 张永安 王正荣 佘灿麟 吕晓旭 |
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| 作者单位： | 1. 云南工业大学激光研究所,昆明,650051
2. 云南工业大学物理实验室,昆明,650051 |
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| 基金项目： | 国家自然科学基金,云南省自然科学基金 |
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| 摘 要： | 讨论了实时全息法应用于检测透明物体的情况下获得高衍射效率和高衬比条纹的若干问题。给出了同时获得高亮度检测场和高衬比条纹的最佳参数。在最佳光束比等于１和最佳相位调制度为１．４２时，衍射效率和光能利用率均可达到２９％。
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| 关 键 词： | 实时全息法 衍射效率 条纹衬比度 光束比 相位调制度 |
| 收稿时间： | 1997/9/29 |
A Real-Time Hologram Recording Method for Obtaining High Brightness of the Testing Optical Field and High Contrast of the Fringes |
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| Xiong Bingheng,Zhang Yong'an,Wang Zhengrong,She Canlin,Lu Xiaoxu.A Real-Time Hologram Recording Method for Obtaining High Brightness of the Testing Optical Field and High Contrast of the Fringes[J].Acta Optica Sinica,1999,19(5):04-608. |
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| Authors: | Xiong Bingheng Zhang Yong'an Wang Zhengrong She Canlin Lu Xiaoxu |
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| Abstract: | Some problems on obtaining high efficiency of diffraction and high contrast of interference
fringes in real time holographic interferometry are discussed. The optimum beam ratio and the
optimum phase modulation for obtaining high brightness of the testing optical field and high
contrast of the interference fringes in real time holographic interferometry are presented. Both
of the diffraction efficiency and the light energy efficiency can be reached to 29% in case of that
the optimum beam ratio is 1 and the optimum phase modulation is 1.42. |
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| Keywords: | real time holographic interferometry diffraction efficiency contrast of fringes beam ratio phase modulation |
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