Optimal sampled phase-only hologram (OSPOH)

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

6 Scopus Citations
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Original languageEnglish
Pages (from-to)25488-25498
Journal / PublicationOptics Express
Volume29
Issue number16
Online published26 Jul 2021
Publication statusPublished - 2 Aug 2021

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Abstract

A sampled phase-only hologram (SPOH) is the phase component of the hologram of an object image with pixels being sampled with a periodic grid-cross pattern. The reconstructed image of a SPOH is a sparse image with abundant empty voids, and degradation in sharpness and contrast. In this paper we proposed a method based on a new sampling scheme, together with stochastic binary search (SBS) to obtain an optimal sampling lattice that can be applied to generate phase-only holograms with enhanced reconstructed image. Experimental results show that with our proposed method, the fidelity and quality of the reconstructed image are increased.

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Optimal sampled phase-only hologram (OSPOH). / TSANG, P. W. M.; Liu, J.-P.; LAM, H. et al.
In: Optics Express, Vol. 29, No. 16, 02.08.2021, p. 25488-25498.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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