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Proceedings Paper

Analysis of thermal properties of the Dupont photopolymer for the digital holographic security card system
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Paper Abstract

We analyze the thermal properties of the DuPont HRF150-38 photopolymer for digital holographic card manufacture. In case of recording after heating, the diffraction efficiency of the hologram is more than 70% at 100°C but is decreased exponentially at temperatures over 100°C. It is observed in the recording before heating that the diffraction efficiency of the hologram fixed by a UV light is increased to approximately 10% at 100°C, but the hologram are erased at temperatures over 120°C.

Paper Details

Date Published: 25 June 2004
PDF: 8 pages
Proc. SPIE 5363, Emerging Optoelectronic Applications, (25 June 2004); doi: 10.1117/12.530155
Show Author Affiliations
Junghoi Kim, Chungbuk National Univ. (South Korea)
Haengsu Lee, Chungbuk National Univ. (South Korea)
Nam Kim, Chungbuk National Univ. (South Korea)
Eunkyoung Kim, Korea Research Institute of Chemical Technology (South Korea)
Sangkeun Gil, Suwon Univ. (South Korea)

Published in SPIE Proceedings Vol. 5363:
Emerging Optoelectronic Applications
Ghassan E. Jabbour; Juha T. Rantala, Editor(s)

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