Research on adaptive optics technology based on phase contrast Gerchberg Saxton algorithm
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Rui Wang
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Xizheng Ke
Abstract
In wireless optical communication, the optical signal passes through the atmospheric turbulence, resulting in the simultaneous distortion of the amplitude and phase of the optical signal at the receiving end. This article applies the idea of phase contrast method to simultaneously compensate the amplitude and phase of the optical signal at the receiving end, derives the mapping relationship between the compensated phase and light intensity, and obtains the required compensated phase for full-field compensation. Numerical calculations show that when the difference between zero-frequency phase compensation and nonzero-frequency phase compensation is ±π, the maximum light intensity compensation is obtained. Based on the Gerchberg Saxton algorithm, a new method is proposed to invert the compensated phase with the maximum light intensity after full-field compensation and perform full-field correction through the adaptive optical system. The numerical calculation and experiment show that the phase contrast Gerchberg Saxton algorithm can effectively compensate the distorted optical signals under different turbulence, and thus the received signals of optical wireless communication can be corrected in full field.
Funding source: Xi ’an Science and Technology Plan Project
Award Identifier / Grant number: 2020KJRC0083
Funding source: Shaanxi Province Key Industrial Innovation Project
Award Identifier / Grant number: 2017ZDCXL-GY-06-01
Funding source: National Natural Science Foundation of China
Award Identifier / Grant number: 1377080
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Research ethics: The local Institutional Review Board deemed the study exempt from review.
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Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The authors state no conflict of interest.
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Research funding: This research is supported by the National Natural Science Foundation of China (No. 1377080), Shaanxi Province Key Industrial Innovation Project (No. 2017ZDCXL-GY-06-01), and Xi 'an Science and Technology Plan Project (No. 2020KJRC0083).
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Data availability: The data can be obtained on request from the corresponding author.
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© 2024 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Atomic, Molecular & Optical Physics
- Research on adaptive optics technology based on phase contrast Gerchberg Saxton algorithm
- Dynamical Systems & Nonlinear Phenomenas
- Free vibration analyses of 3D printed plates with different geometric fillings: experimental testing and numerical simulations
- Dynamical investigation of the perturbed Chen–Lee–Liu model with conformable fractional derivative
- Invariant analysis of the multidimensional Martinez Alonso–Shabat equation
- Solid State Physics & Materials Science
- Computation Legendre moments using image analysis technique
Articles in the same Issue
- Frontmatter
- Atomic, Molecular & Optical Physics
- Research on adaptive optics technology based on phase contrast Gerchberg Saxton algorithm
- Dynamical Systems & Nonlinear Phenomenas
- Free vibration analyses of 3D printed plates with different geometric fillings: experimental testing and numerical simulations
- Dynamical investigation of the perturbed Chen–Lee–Liu model with conformable fractional derivative
- Invariant analysis of the multidimensional Martinez Alonso–Shabat equation
- Solid State Physics & Materials Science
- Computation Legendre moments using image analysis technique
