Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/89946
Title: | Single-shot in-line holographic authentication using phase and amplitude modulation | Authors: | Chen, W | Issue Date: | Oct-2019 | Source: | Optics and lasers in engineering, Oct. 2019, v. 121, p. 473-478 | Abstract: | In this paper, single-shot in-line holographic authentication using phase and amplitude modulation is presented. Amplitude modulation and phase modulation are presented and conducted at reference wave path to obtain noise-like reference wavefront and to generate the parameters (masks) at reference wave path as security keys for single-shot in-line digital holography, and its application, i.e., optical authentication, is presented to show validity of the proposed digital holographic system. A reference optical path using the cascaded random amplitude-only and phase-only masks is applied as an example. Only one in-line digital hologram is used for object reconstruction, and the recovered objects can be effectively authenticated. It is illustrated that parameters (e.g., masks) flexibly designed at reference wave path can facilitate wavefront retrieval in the CCD plane and also can act like security keys for optical information authentication. @ Elsevier, 2019. | Keywords: | In-line holographic authentication Optical authentication Optical security Single-shot holography |
Publisher: | Elsevier | Journal: | Optics and lasers in engineering | ISSN: | 0143-8166 | DOI: | 10.1016/j.optlaseng.2019.05.011 | Rights: | © 2019 Elsevier Ltd. All rights reserved. © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. The following publication Chen, W. (2019). Single-shot in-line holographic authentication using phase and amplitude modulation. Optics and Lasers in Engineering, 121, 473-478 is available at https://doi.org/10.1016/j.optlaseng.2019.05.011. |
Appears in Collections: | Journal/Magazine Article |
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a0739-n17_1345.pdf | Pre-Published version | 1.7 MB | Adobe PDF | View/Open |
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