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- W2533410522 abstract "In order to calculate the lost phase from the intensity information effectively, a new method of phase retrieval which based on cosine grating modulation and transport of intensity equation is proposed. Firstly, the cosine grating is loaded on the spatial light modulator in the horizontal and vertical direction respectively, and the corresponding amplitude of the light field is modulated. Then the phase is calculated by its gradient which is extracted from different direction modulation light illumination. The capability of phase recovery of the proposed method in the presence of noise is tested by simulation experiments. And the results show that the proposed algorithm has a better resilience than the traditional Fourier transform algorithm at low frequency noise. Furthermore, the phase object of different scales can be retrieved using the proposed algorithm effectively by changing the frequency of cosine grating, which can control the imaging motion expediently." @default.
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- W2533410522 date "2016-10-19" @default.
- W2533410522 modified "2023-09-27" @default.
- W2533410522 title "Phase retrieval based on cosine grating modulation and transport of intensity equation" @default.
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- W2533410522 doi "https://doi.org/10.1117/12.2245694" @default.
- W2533410522 hasPublicationYear "2016" @default.
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