| 在光学相关器中测试滤波空间光调制器的相位调制特性 |
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| 引用本文： | 胡文刚,王永仲,华文深. 在光学相关器中测试滤波空间光调制器的相位调制特性[J]. 光子学报, 2007, 36(9): 1602-1605 |
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| 作者姓名： | 胡文刚 王永仲 华文深 |
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| 作者单位： | 军械工程学院,光学与电子工程系,河北,石家庄,050003;军械工程学院,光学与电子工程系,河北,石家庄,050003;军械工程学院,光学与电子工程系,河北,石家庄,050003 |
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| 摘 要： | 研究了在范德卢格特型光电混合相关器中,利用朗奇光栅图像替代实物光栅测试滤波空间光调制器相位调制特性的原理和方法.对XGA2L11型空间光调制器的相位调制特性进行了现场测试,并对测试结果进行了误差分析和光学相关实验验证.结果表明,该方法不需要单独构建测量装置而是完全在相关器的工作状态下测试,保证了空间光调制器的特性测试结果和实际工作性能的一致性.
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| 关 键 词： | 信息光学 空间光调制器 相位调制 范德卢格特相关器 |
| 文章编号： | 1004-4213（2007）09-1602-4 |
| 收稿时间： | 2006-02-20 |
| 修稿时间： | 2006-02-20 |
Characterization of Filter Spatial Light Modulator in Optical Correlator |
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| HU Wen-gang,WANG Yong-zhong,HUA Wen-shen. Characterization of Filter Spatial Light Modulator in Optical Correlator[J]. Acta Photonica Sinica, 2007, 36(9): 1602-1605 |
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| Authors: | HU Wen-gang WANG Yong-zhong HUA Wen-shen |
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| Abstract: | An approach of in-situ measuring the phase modulation property of a filter spatial light modulator was presented in which an image of Ronchi grating substituted for a concrete one.Its principle and testing method have been studied and a typical XGA2L11 spatial light modulator has been characterized.The measurement results were validated by correlation recognition experiment.The way could be applied in Vander Lugt correlator,and it doesn′t need any extra independent test bed.The measurement results of the filter spatial light modulator consistent of its operational performance. |
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| Keywords: | Information optics Spatial light modulator Phase modulation Vander Lugt correlator |
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