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Proceedings Paper

Charge transfer phenomenon in holographic recording material: dichromated polyacrylic acid
Author(s): Gurusamy Manivannan; Roger A. Lessard; Christine Pizzocaro; Michel Bolte
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Paper Abstract

Dichromated polyacrylic acid (DCPAA) has been used as real time holographic recording material. We report here the photochemical behavior of DCPAA when irradiated under conditions similar to those used for hologram recording. A photoredox process was observed whose efficiency depends on the presence of an electron donor, dimethylformamide (DMF). By ESR spectroscopy upon irradiation four different species were detected and identified: (1) chromium (V) of thermal origin (in the dark); (2) chromium (V) of photochemical origin; (3) an organic macroradical; (4) chromium (III). DMF appeared to possess a strong influence on the formation of these species.

Paper Details

Date Published: 23 January 1997
PDF: 9 pages
Proc. SPIE 2998, Photosensitive Optical Materials and Devices, (23 January 1997); doi: 10.1117/12.264186
Show Author Affiliations
Gurusamy Manivannan, Univ. Laval (Canada)
Roger A. Lessard, Univ. Laval (Canada)
Christine Pizzocaro, Univ. Clermont-Ferrand II (France)
Michel Bolte, Univ. Clermont-Ferrand II (France)

Published in SPIE Proceedings Vol. 2998:
Photosensitive Optical Materials and Devices
Mark P. Andrews, Editor(s)

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