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Optical Encryption Based on Computer Generated Holograms in Photopolymer

Authors :
Chengchen Wang
Taihui Wu
Ping Su
Jianshe Ma
Haibei Wang
Liangcai Cao
Source :
Polymers, Volume 13, Issue 9, Polymers, Vol 13, Iss 1358, p 1358 (2021)
Publication Year :
2021
Publisher :
MDPI AG, 2021.

Abstract

An optical encryption method based on computer generated holograms printing of photopolymer is presented. Fraunhofer diffraction is performed based on the Gerchberg-Saxton algorithm, and a hologram of the Advanced Encryption Standard encrypted Quick Response code is generated to record the ciphertext. The holograms of the key and the three-dimensional image are generated by the angular spectrum diffraction algorithm. The experimental results show that large-size encrypted Quick Response (QR) code and miniature keys can be printed in photopolymers, which has good application prospects in optical encryption. This method has the advantages of high-density storage, high speed, large fault tolerance, and anti-peeping.

Details

ISSN :
20734360
Volume :
13
Database :
OpenAIRE
Journal :
Polymers
Accession number :
edsair.doi.dedup.....fdfe519a6b1f307bde87fcbff4a15680
Full Text :
https://doi.org/10.3390/polym13091358