Development and characterization of negative photochromic compounds

Igor V. Ciapurin; Stephan V. Robu; Eugeniu V. Rotari; Oleg Ya Korshak; Roger A. Lessard

doi:10.1117/12.470458

13 June 2002 Development and characterization of negative photochromic compounds

Igor V. Ciapurin, Stephan V. Robu, Eugeniu V. Rotari, Oleg Ya Korshak, Roger A. Lessard

Proceedings Volume 4642, Organic Photonic Materials and Devices IV; (2002) https://doi.org/10.1117/12.470458
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

We report a new photochromic composite polymer that was evaluated in conjunction with its potential applications for optical holographic recording in the whole visible spectral range. It consists of poly-N-epoxypropylcarbazole (PEPC) polymeric matrix with a nitro-brome-substituted spiropyran (BNSP) photochromic dye. The PEPC+BNSP films can be considered as negative photochromic recording media. They are colored in the initial state and bleached upon irradiation within the whole visible spectra. When we placed the bleached samples to the darkness, they slowly revert to the colored form. The real-time holographic recording procedure in PEPC+BNSP films was studied.

Citation Download Citation

Igor V. Ciapurin, Stephan V. Robu, Eugeniu V. Rotari, Oleg Ya Korshak, and Roger A. Lessard "Development and characterization of negative photochromic compounds", Proc. SPIE 4642, Organic Photonic Materials and Devices IV, (13 June 2002); https://doi.org/10.1117/12.470458

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