Phase retrieval based on the Wigner distribution

Wenda Cui; Shaojun Du

doi:10.1117/12.2034030

19 September 2013 Phase retrieval based on the Wigner distribution

Wenda Cui, Shaojun Du

Proceedings Volume 8905, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Sensing and Imaging and Applications; 89051C (2013) https://doi.org/10.1117/12.2034030
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

The Gerschberg-Saxton (GS) algorithm is a classic algorithm for phase retrieval. It is usually based on FFT (fast Fourier transform) and IFFT (inverse fast Fourier transform). We improve the GS algorithm based on the Wigner distribution. Instead of FFT and IFFT, Wigner distribution is not only used in the propagation but also filtered to optimize the signal during the iteration. The simulation results illustrate that the new method could effectively improve the efficiency and accuracy of phase retrieval.

Citation Download Citation

Wenda Cui and Shaojun Du "Phase retrieval based on the Wigner distribution", Proc. SPIE 8905, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Sensing and Imaging and Applications, 89051C (19 September 2013); https://doi.org/10.1117/12.2034030

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