同步多路相移数字全息技术

张静; 叶玉堂; 谢煜; 刘娟秀; 刘霖; 常永鑫; 罗颖

doi:doi:10.3788/aos201333.1009002

光学学报, 2013, 33 (10): 1009002, 网络出版: 2013-09-06

同步多路相移数字全息技术

Synchronous Multi-Channel Phase-Shifting Digital Holographic Technology

论文大纲

张静 ^1,*叶玉堂 ¹谢煜 ¹刘娟秀 ¹刘霖 ¹常永鑫 ^1,2罗颖 ¹

作者单位

¹ 电子科技大学光电信息学院, 四川成都 610054

² 中国科学院光电技术研究所, 四川成都 610209

摘要

通过对相移数字全息技术的理论分析，提出了一种适用于动态三维物体成像的全新的同步多路相移全息方法。此方法通过在自由空间连续产生90°相位延迟的参考光束，与激光衍射透过物体后的光场进行干涉，利用四台相机构成的平衡探测器系统同时拍摄多帧干涉图像，根据菲涅耳衍射和傅里叶光学原理动态实时重现物体三维信息。模拟仿真和实验结果表明，该方法实现了单次相移数字全息技术，同步多路的采集可以用于动态物体的实时测量，大量同步多帧图像的获取提升了图像的质量。

Abstract

A new synchronous multi-channel phase-shifting holography, which is suitable for dynamic imaging of three-dimensional (3D) objects, is proposed by analyzing the theory of phase-shifting digital holography. The reference beam, which has continuous 90-degree phase delay on the free space, interferes with optical field of laser diffraction through object. Multi-frame holograms are taken by using the balanced detector system which is comprised of four cameras. The information of 3D object is reconstructed based on Fresnel and Fourier optical principles. Simulation and experimental results show that single-shot phase-shifting digital holography has been achieved, synchronous multi-channel can be used for real-time measurement of dynamic objects, a large number of simultaneous multi-frame images improve the quality of the image.

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张静, 叶玉堂, 谢煜, 刘娟秀, 刘霖, 常永鑫, 罗颖. 同步多路相移数字全息技术[J]. 光学学报, 2013, 33(10): 1009002. Zhang Jing, Ye Yutang, Xie Yu, Liu Juanxiu, Liu Lin, Chang Yongxin, Luo Ying. Synchronous Multi-Channel Phase-Shifting Digital Holographic Technology[J]. Acta Optica Sinica, 2013, 33(10): 1009002.

同步多路相移数字全息技术

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