The mechanisms of the photostimulated structural changes in molecular layers of cyanine compounds

Anton Starovoytov; Elena Kaliteevskaya; Valentina Krutyakova; Tatiana Razumova

doi:10.1117/12.2053525

28 November 2013 The mechanisms of the photostimulated structural changes in molecular layers of cyanine compounds

Anton Starovoytov, Elena Kaliteevskaya, Valentina Krutyakova, Tatiana Razumova

Proceedings Volume 9065, Fundamentals of Laser-Assisted Micro- and Nanotechnologies 2013; 90650V (2013) https://doi.org/10.1117/12.2053525
Event: Fundamentals of Laser Assisted Micro- and Nanotechnologies 2013, 2013, St. Petersburg, Russian Federation

Abstract

We investigate the structural changes induced in molecular layers of dicarbocyanine by single pulse laser radiation. The successive resonance excitation of all-trans isomer causes changes of the spatial orientation and relative concentration of the different molecular forms. The dependences of relative concentration on the total energy density of the photostimulation irregularly change with single pulse energy, initial concentration of the molecules the layer, and all-trans- isomer concentration (the latter is a measure of the absorbed energy for each pulse). The model of the photostimulated structural changes in cyanine layers is suggested.

Citation Download Citation

Anton Starovoytov, Elena Kaliteevskaya, Valentina Krutyakova, and Tatiana Razumova "The mechanisms of the photostimulated structural changes in molecular layers of cyanine compounds", Proc. SPIE 9065, Fundamentals of Laser-Assisted Micro- and Nanotechnologies 2013, 90650V (28 November 2013); https://doi.org/10.1117/12.2053525

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