R&D: Coumarin-Containing Polymers for High Density Non-Linear Optical Storage
Exploring photodimerization attribute of coumarin derivatives
By Francis Pelletier | April 12, 2016 at 2:54 pmMolecules, Open Access Organic Chemistry Journal, has published an article written by Denis Gindre , Konstantinos Iliopoulos, Laboratory MOLTECH-Anjou, CNRS UMR 6200, University of Angers, 2 bd Lavoisier, 49045 Angers CEDEX, France, Oksana Krupka, Department of Chemistry, Taras Shevchenko National University of Kyiv, 60 Volodymyrska, 01033 Kyiv, Ukraine, Marie Evrard, Emilie Champigny, and Marc Sallé, Laboratory MOLTECH-Anjou, CNRS UMR 6200, University of Angers, 2 bd Lavoisier, 49045 Angers CEDEX, France.
Abstract: “Optical data storage was performed with various thin polymer films containing coumarin-based derivatives and by using femtosecond laser pulses as well as two-photon absorption processes. Exploring the photodimerization attribute of coumarin derivatives and using appropriate irradiation wavelengths, recording/erasing processes could be carried out in the same area. Second harmonic generation microscopy was used to read the stored information.“