Three-dimensional anti-counterfeiting method based on reflective volume holography

Taihui Wu; Jianshe Ma; Ping Su; Hongxu Kao; Yao Cui

doi:10.1117/12.2573536

10 October 2020 Three-dimensional anti-counterfeiting method based on reflective volume holography

Taihui Wu, Jianshe Ma, Ping Su, Hongxu Kao, Yao Cui

Proceedings Volume 11551, Holography, Diffractive Optics, and Applications X; 115511B (2020) https://doi.org/10.1117/12.2573536
Event: SPIE/COS Photonics Asia, 2020, Online Only

Conference Poster

Abstract

In order to improve the effect, clarity and resolution of anti-counterfeiting, this paper proposes a method of reflection volume holographic three-dimensional (3D) anti-counterfeiting. This method adopts reflection volume holographic interference recording of 3D object to achieve 3D anti-counterfeiting. The principle of reflection volume holography was analyzed by using Kogelnik’s coupled wave theory. A reflection volume holographic anti-counterfeiting recording optical path based on a monochromatic laser was constructed. Photopolymer is used as the volume holographic recording material, and a metal school badge is used as the object. Experimental results show that the reflection holographic gratings can record and reproduce 3D object, and the 3D shape of the reproduced image is consistent with the object, which improves the effect of anti-counterfeiting.

Citation Download Citation

Taihui Wu, Jianshe Ma, Ping Su, Hongxu Kao, and Yao Cui "Three-dimensional anti-counterfeiting method based on reflective volume holography", Proc. SPIE 11551, Holography, Diffractive Optics, and Applications X, 115511B (10 October 2020); https://doi.org/10.1117/12.2573536

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