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Etude de matériaux polymères, organiques et organo-minéraux, dopés par des colorants organiques : Application à la réalisation de sources laser intégrées

Hélène Goudket 1
1 Laboratoire Charles Fabry de l'Institut d'Optique / Macsybio
LCFIO - Laboratoire Charles Fabry de l'Institut d'Optique
Abstract : The first polymer based solid-state dye laser was obtained in the 1970s, but few advances were made with these materials until the end of the twentieth century. Integrated solid-state polymer dye laser research has been developing largely these last years with the coming of better quality polymer materials, be they 'classical' organic or 'sol-gel' hybrid organo-mineral.In this work, material characterization was first performed with respect to spectral and photostability properties of dye-doped polymers. The influence on the material's properties of dye environment and sample ageing was studied.Application of these materials to integrated solid-state dye laser sources was made. The lasing characteristics of the dye-matrix couples as of efficiency, operating lifetime and distributed feedback tuning range, were measured.The comparison of the dye-doped polymer thin films material characterization and system performance measurements enables us to identify the parameters determining the lasing characteristics. In particular, the presence of a strong residual absorption in the fluorescence band lowers the lasing efficiency of the materials. Also, a good thermal conductivity in the material leads to higher operating lifetimes by limiting dye thermodegradation. Compromises must be made between the rigidity of the matrix, which enhances gain, but also leads to higher propagation losses in the material.
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https://pastel.archives-ouvertes.fr/tel-00006577
Contributor : Hélène Goudket <>
Submitted on : Tuesday, July 27, 2004 - 5:26:46 PM
Last modification on : Wednesday, October 14, 2020 - 3:57:02 AM
Long-term archiving on: : Friday, April 2, 2010 - 8:44:32 PM

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  • HAL Id : tel-00006577, version 1

Citation

Hélène Goudket. Etude de matériaux polymères, organiques et organo-minéraux, dopés par des colorants organiques : Application à la réalisation de sources laser intégrées. Physique Atomique [physics.atom-ph]. Université Paris Sud - Paris XI, 2004. Français. ⟨tel-00006577⟩

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