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Proceedings Paper

Digital holographic smart card system using an organic-inorganic hybrid type photopolymer film
Author(s): Junghoi Kim; Nam Kim; Jiyoung Park; Eunkyoung Kim; Seokhee Jeon
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Paper Abstract

Organic-inorganic nanocomposite films were prepared by dispersing an aromatic methacrylic monomer and a photo-initiator in organic-inorganic hybrid sol-gel matrices. The film properties could be controlled by optimizing the content of an organically modified silica precursor (TSPEG) in the sol-gel matrices. The photopolymer film modified with the organic chain (TSPEG) showed high diffraction efficiency (>90%) under an optimized condition. In addition, we implement a digital holographic security system that combines the electrical biometrics technology with fully digital holographic storage using an organic-inorganic hybrid type photopolymer film.

Paper Details

Date Published: 7 February 2005
PDF: 9 pages
Proc. SPIE 5636, Holography, Diffractive Optics, and Applications II, (7 February 2005); doi: 10.1117/12.578212
Show Author Affiliations
Junghoi Kim, Chungbuk National Univ. (South Korea)
Nam Kim, Chungbuk National Univ. (South Korea)
Jiyoung Park, Korea Research Institute of Chemical Technology (South Korea)
Eunkyoung Kim, Yonsei Univ. (South Korea)
Seokhee Jeon, Univ. of Incheon (South Korea)


Published in SPIE Proceedings Vol. 5636:
Holography, Diffractive Optics, and Applications II
Yunlong Sheng; Dahsiung Hsu; Chongxiu Yu; Byoungho Lee, Editor(s)

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