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Proceedings Paper

Compound sensitizing for improving exposure sensitivities of photopolymer system
Author(s): Yan Sheng; Heling Zhang; Xiaojing Hu; Ruiqu Zhao; Yunzhi Wang
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Paper Abstract

In this paper, a blue-sensitive photopolymer holographic recording material was prepared. The visible-light sensitive photoinitiating system was composed of sensitizer, initiator, hydrogen-donor, monomer and binder. Compound sensitizing as a new method for improving exposure sensitivity of this material was proposed. Experiments results indicate that compound sensitizing significantly increased the exposure sensitivity from about 55mJ/cm2 to 40 mJ/cm2, while without any affection to the maximum obtainable diffraction efficiency. More than 85% of transmission grating diffraction efficiency can be attained as a very simple post process was performed. Mechanisms of polymerization and hologram formation were discussed. The holograms, with a good physical and chemical stability under ambient circumstance, have much potential in optical communication, such as filters and switches.

Paper Details

Date Published: 7 February 2005
PDF: 5 pages
Proc. SPIE 5636, Holography, Diffractive Optics, and Applications II, (7 February 2005); doi: 10.1117/12.575114
Show Author Affiliations
Yan Sheng, Capital Normal Univ. (China)
Heling Zhang, Capital Normal Univ. (China)
Xiaojing Hu, Capital Normal Univ. (China)
Ruiqu Zhao, Capital Normal Univ. (China)
Yunzhi Wang, Capital Normal Univ. (China)

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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