Rotating asymmetrical phase mask method for improving signal-to-noise ratio in wavefront coding systems

Haoyuan Du; Rigui Yi; Liquan Dong; Ming Liu; Wei Jia; Yuejin Zhao; Xiaohua Liu; Mei Hui; Lingqin Kong; Xi Chen

doi:10.1364/AO.57.003365

Rotating asymmetrical phase mask method for improving signal-to-noise ratio in wavefront coding systems

Haoyuan Du, Rigui Yi, Liquan Dong^*, Ming Liu, Wei Jia, Yuejin Zhao, Xiaohua Liu, Mei Hui, Lingqin Kong, Xi Chen

^*Corresponding author for this work

School of Optics and Photonics

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

We present a method that combines an asymmetrical phase mask (PM) and its rotated PM to potentially improve the signal-to-noise ratio in wavefront coding systems. The property of the rotated PM is analyzed. A complementary promotional synthetic optical transfer function is generated as the deconvolution filter for image recovery. The image artifacts are suppressed through processing in the frequency domain. Simulation results provide a quantitative analysis that is based on a cubic PM. Experimental results show that our method can improve image quality over a wide range of defocus.

Original language	English
Pages (from-to)	3365-3371
Number of pages	7
Journal	Applied Optics
Volume	57
Issue number	13
DOIs	https://doi.org/10.1364/AO.57.003365
Publication status	Published - 1 May 2018

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10.1364/AO.57.003365

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abstract = "We present a method that combines an asymmetrical phase mask (PM) and its rotated PM to potentially improve the signal-to-noise ratio in wavefront coding systems. The property of the rotated PM is analyzed. A complementary promotional synthetic optical transfer function is generated as the deconvolution filter for image recovery. The image artifacts are suppressed through processing in the frequency domain. Simulation results provide a quantitative analysis that is based on a cubic PM. Experimental results show that our method can improve image quality over a wide range of defocus.",

author = "Haoyuan Du and Rigui Yi and Liquan Dong and Ming Liu and Wei Jia and Yuejin Zhao and Xiaohua Liu and Mei Hui and Lingqin Kong and Xi Chen",

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AU - Du, Haoyuan

AU - Yi, Rigui

AU - Dong, Liquan

AU - Liu, Ming

AU - Jia, Wei

AU - Zhao, Yuejin

AU - Liu, Xiaohua

AU - Hui, Mei

AU - Kong, Lingqin

AU - Chen, Xi

PY - 2018/5/1

Y1 - 2018/5/1

N2 - We present a method that combines an asymmetrical phase mask (PM) and its rotated PM to potentially improve the signal-to-noise ratio in wavefront coding systems. The property of the rotated PM is analyzed. A complementary promotional synthetic optical transfer function is generated as the deconvolution filter for image recovery. The image artifacts are suppressed through processing in the frequency domain. Simulation results provide a quantitative analysis that is based on a cubic PM. Experimental results show that our method can improve image quality over a wide range of defocus.

AB - We present a method that combines an asymmetrical phase mask (PM) and its rotated PM to potentially improve the signal-to-noise ratio in wavefront coding systems. The property of the rotated PM is analyzed. A complementary promotional synthetic optical transfer function is generated as the deconvolution filter for image recovery. The image artifacts are suppressed through processing in the frequency domain. Simulation results provide a quantitative analysis that is based on a cubic PM. Experimental results show that our method can improve image quality over a wide range of defocus.

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Rotating asymmetrical phase mask method for improving signal-to-noise ratio in wavefront coding systems

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