数字全息术
光学
全息术
计算机科学
相(物质)
噪音(视频)
对偶(语法数字)
波长
物理
人工智能
图像(数学)
量子力学
文学类
艺术
作者
Tuo Li,Ye Tao,Jun Dong,Qian Zhang,Shuai Wang,Yishi Shi
出处
期刊:Optics Letters
[Optica Publishing Group]
日期:2021-08-30
卷期号:46 (18): 4694-4694
被引量:5
摘要
A concise and powerful method for dual-wavelength digital holography (DWDH) is proposed. By designing a new algorithm, this proposed method bypasses the phase synthesis process and directly obtains the thickness distribution of the object. This method can enlarge the range of measurement with strong noise resistance. For example, noise analysis results show that the proposed method reduces the reconstruction error from 101 nm to 9 nm when the signal-to-noise ratio is equal to 30. Therefore, this method would prove useful for DWDH, and its effectiveness is verified by both numerical simulations and experimental results.
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