Analysis of Wavelength Effect on Birefringence Creation on PAH/PAZO Layer-by-Layer Films

Maria Raposo, Ana Timóteo, Paulo Ribeiro

Abstract

The influence of wavelength of writing laser beam in the photoinduced birefringence dynamics on layer-by-layer (LBL) films of poly(allylamine hydrochloride) (PAH) and poly{1-(4-(3-carboxy-4-hydroxyphenylazo) benzenesulfonamido)-1,2-ethanediyl, sodium salt} (PAZO) was investigated. Results revealed that the increase of laser wavelength lead to a slower birefringence build up process, whereas the relaxation process stands approximately unchanged. The buildup celerity was shown to follow the film absorbance with wavelength. The imposition of excess energy density to the PAH/PAZO LBL film was also shown to induce morphological changes in the film surface,which are also wavelength dependent.

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Paper Citation


in Harvard Style

Raposo M., Timóteo A. and Ribeiro P. (2019). Analysis of Wavelength Effect on Birefringence Creation on PAH/PAZO Layer-by-Layer Films.In Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS, ISBN 978-989-758-364-3, pages 325-328. DOI: 10.5220/0007698603250328


in Bibtex Style

@conference{photoptics19,
author={Maria Raposo and Ana Timóteo and Paulo Ribeiro},
title={Analysis of Wavelength Effect on Birefringence Creation on PAH/PAZO Layer-by-Layer Films},
booktitle={Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,},
year={2019},
pages={325-328},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007698603250328},
isbn={978-989-758-364-3},
}


in EndNote Style

TY - CONF

JO - Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,
TI - Analysis of Wavelength Effect on Birefringence Creation on PAH/PAZO Layer-by-Layer Films
SN - 978-989-758-364-3
AU - Raposo M.
AU - Timóteo A.
AU - Ribeiro P.
PY - 2019
SP - 325
EP - 328
DO - 10.5220/0007698603250328