彩色全息光电再现倍率色差的消除

王涛; 于瀛洁; 郑华东

doi:10.3788/OPE.20111906.1414

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彩色全息光电再现倍率色差的消除

信息科学 | 更新时间：2020-08-12

- 彩色全息光电再现倍率色差的消除
- Removal of magnification chromatism in optoelectronic full color holography
- 光学精密工程 2011年19卷第6期页码：1414-1420
- 作者机构：
  
  上海大学精密机械工程系上海,200072
- 作者简介：
- 基金信息：
  
  上海市科委科国际合作项目(No.09530708700)();上海大学研究生创新基金资助项目(No.SHUCX101060)()
- DOI：10.3788/OPE.20111906.1414
  中图分类号： O438.1
- 收稿日期：2010-07-06，
  
  修回日期：2010-10-27，
  
  网络出版日期：2011-06-25，
  
  纸质出版日期：2011-06-25
- 稿件说明：
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王涛, 于瀛洁, 郑华东. 彩色全息光电再现倍率色差的消除[J]. 光学精密工程, 2011,19(6): 1414-1420

WANG Tao, YU Ying-jie, ZHENG Hua-dong. Removal of magnification chromatism in optoelectronic full color holography[J]. Editorial Office of Optics and Precision Engineering, 2011,19(6): 1414-1420
王涛, 于瀛洁, 郑华东. 彩色全息光电再现倍率色差的消除[J]. 光学精密工程, 2011,19(6): 1414-1420 DOI： 10.3788/OPE.20111906.1414.

WANG Tao, YU Ying-jie, ZHENG Hua-dong. Removal of magnification chromatism in optoelectronic full color holography[J]. Editorial Office of Optics and Precision Engineering, 2011,19(6): 1414-1420 DOI： 10.3788/OPE.20111906.1414.

摘要

针对基于空间光调制器的彩色全息光电再现系统在利用计算全息图进行光电再现时会由于三色激光波长不同造成再现像出现倍率色差

影响再现效果的问题

本文重点分析了倍率色差产生的原因。为了消除倍率色差

提高彩色光电再现像的质量

提出了在全息图计算过程中对物信息进行差别采样来消除倍率色差。基于时分复用方法搭建了彩色全息光电再现系统

以迭代傅里叶变换型全息图为例

对处理后的计算全息图进行了光电再现。实验表明

提出的方法可以消除波长不同造成的色差(33.6%(红色)

12.5%(绿色))

实验结果验证了本文所提出方法的可行性。

Abstract

As the magnification chrometism caused from different wavelengths of color lasers in the optoelectric reconstruction based on a spatial light modulator effects on the quality of reconstructed images

this paper focuses on the reason that the magnification chromatism arises.In order to remove the magnification chromatism

it proposes a method to sample the three color objects with disparity in the process of hologram computing to improve the image quality. A full color electro-holographic system based on a time shearing method is established and holograms computed by the Iterative Fourier Transform Algorithm (IFTA) are reconstructed. The experiment indicates that the magnification chromatism 33.6% for red and 12.5% for blue can be both removed

which shows that the method proposed is verified by experiment results.

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references

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