Solving inverse problems for off-axis holography using Twist

Xiaoyan Wu; Wenjing Zhou; Yingjie Yu

doi:10.1117/12.2019059

22 June 2013 Solving inverse problems for off-axis holography using Twist

Xiaoyan Wu, Wenjing Zhou, Yingjie Yu

Proceedings Volume 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013); 87690V (2013) https://doi.org/10.1117/12.2019059
Event: International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 2013, Singapore, Singapore

Abstract

Off-axis holography records a three-dimensional object into a two dimensional hologram through Leith-Upatneiks geometry. The recovery of 3D object from off-axial hologram, termed as an inverse problem, has been previously implemented by back-propagating (BP) reconstruction. Here we demonstrate the possibility of reconstruction of 3D object from off-axis hologram by combining back-propagating with two-step iterative shrinkage/thresholding algorithms (Twist) and compare it with back-propagating reconstruction of off-axis holography. The results of simulations and experiments show that Twist-BP reconstruction has better performance in eliminating out of focus noise.

Citation Download Citation

Xiaoyan Wu, Wenjing Zhou, and Yingjie Yu "Solving inverse problems for off-axis holography using Twist", Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 87690V (22 June 2013); https://doi.org/10.1117/12.2019059

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