| 反射式空间光调制器的相位调制特性测试 |
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| 引用本文： | 徐桂权,冯少彤,聂守平,朱竹青.反射式空间光调制器的相位调制特性测试[J].激光技术,2009,33(6):571-574. |
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| 作者姓名： | 徐桂权 冯少彤 聂守平 朱竹青 |
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| 作者单位： | 1.南京师范大学江苏省光电技术重点实验室, 南京, 210097 |
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| 基金项目： | 江苏省自然科学基金资助项目，江苏省高校自然科学研究重大资助项目 |
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| 摘 要： | 为了测试德国HOLOEYE公司LC-R2500型102像素×768像素反射式空间光调制器的纯相位调制特性,采用了基于双光束干涉原理的测量方法,得到了输入图像灰度与相移量对应关系.将相位恢复算法编码后的纯相位图像作为空间光调制器的输入信息,进行了理论分析和实验验证.结果表明,光学再现像与数值模拟结果相吻合,验证了纯相位调制特性测量的准确性.
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| 关 键 词： | 测量与计量 相位调制 双缝干涉 数值再现 光学再现 |
| 收稿时间： | 2008-08-18 |
| 修稿时间： | 2008-10-22 |
Phase modulation characteristics measurement of reflective liquid crystal spatial light modulator |
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| XU Gui-quan,FENG Shao-tong,NIE Shou-ping,ZHU Zhu-qing.Phase modulation characteristics measurement of reflective liquid crystal spatial light modulator[J].Laser Technology,2009,33(6):571-574. |
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| Authors: | XU Gui-quan FENG Shao-tong NIE Shou-ping ZHU Zhu-qing |
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| Abstract: | In this paper, a simple and practical method of phase modulation characteristics measurement based on double-slit interference was introduced. The phase modulation characteristics of type LC-R2500, made by germany HOLOEY company, was measuremented, and the relationship between image gray and phase shift was obtained. Phase-only image coded by phase retrieval algorithm was inputed to SLM, and the reconstructed image was getted using optical diffraction principle. Experimental results show the optical re-constructed image and numerical reconstructed image are similarity, thus the accuracy of phase modulation characteristics is verified. |
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| Keywords: | phase modulation phase retrieval algorithm numerical reconstruction optical reconstruction |
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