Application of apodization digital holography in phase measurement

被引：2
|
作者：
Zhang Y. [1 ]
Zhao J. [1 ]
Fan Q. [2 ]
Yang S. [2 ]
机构：
[1] Shaanxi Key Laboratory of Optical Information Technology, School of Science, Northwestern Ploytechnical University, Xi'an
[2] School of Science, Air Force Engineering University, Xi'an
来源：
Zhongguo Jiguang/Chinese Journal of Lasers | 2010年 / 37卷 / 06期
关键词：
Apodization; Border diffraction; Digital holography; Hanning window function;
D O I：
10.3788/CJL20103706.1602
中图分类号：
学科分类号：
摘要：
In digitally holographic reconstruction, the reconstructed image quality is reduced by the effect of the laser speckle, the system noise and the border diffraction of the digital hologram, which restrains the application of digital holography in phase measurement. In this paper, we apply the apodization for the phase measurement in digital holography to suppress the diffraction and noise effects. Simulations and experiments show that apodization can effectively reduce the border diffraction and noise effects to the reconstructed phase information of the objected wave and improve the measurement precision.
引用
收藏
页码：1602 / 1606
页数：4
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