Charge transfer phenomenon in holographic recording material: dichromated polyacrylic acid

Gurusamy Manivannan; Roger A. Lessard; Christine Pizzocaro; Michel Bolte

doi:10.1117/12.264186

23 January 1997 Charge transfer phenomenon in holographic recording material: dichromated polyacrylic acid

Gurusamy Manivannan, Roger A. Lessard, Christine Pizzocaro, Michel Bolte

Proceedings Volume 2998, Photosensitive Optical Materials and Devices; (1997) https://doi.org/10.1117/12.264186
Event: Photonics West '97, 1997, San Jose, CA, United States

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.

Citation Download Citation

Gurusamy Manivannan, Roger A. Lessard, Christine Pizzocaro, and Michel Bolte "Charge transfer phenomenon in holographic recording material: dichromated polyacrylic acid", Proc. SPIE 2998, Photosensitive Optical Materials and Devices, (23 January 1997); https://doi.org/10.1117/12.264186

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