Optimal sampled phase-only hologram (OSPOH)
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 propo...
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| Veröffentlicht in: | Optics express 2021-08, Vol.29 (16), p.25488-25498 |
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| container_issue | 16 |
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| container_title | Optics express |
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| creator | Tsang, P. W. M. Liu, J.-P. Lam, H. Poon, T.-C. |
| description | 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. |
| doi_str_mv | 10.1364/OE.430776 |
| format | Article |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| title | Optimal sampled phase-only hologram (OSPOH) |
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