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Synthèse de chromophores absorbant dans le proche infrarouge : applications à l’optique non-linéaire aux fréquences des télécommunications

Abstract : The main objective of this thesis is the design of chromophores exhibiting optical limiting properties at telecommunication wavelengths. Two families of near infrared dyes have been synthesized and studied for this purpose: cyanines dyes and boron dipyrromethene. Their linear and nonlinear optical properties (second and third order) have been studied. These compounds display strong Two-Photon Absorption (TPA) around 1500 nm. Their good solubility allows carrying out optical limiting experiments at these wavelengths. The phenomenon has been interpreted on the basis of a TPA induced excited state absorption model. Finally, the synthesis of functionalized chromophores for solid state optical limiting has been considered.
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https://hal-univ-rennes1.archives-ouvertes.fr/tel-01121911
Contributor : Pierre-Antoine Bouit <>
Submitted on : Tuesday, March 3, 2015 - 10:24:57 AM
Last modification on : Saturday, July 11, 2020 - 3:14:27 AM
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  • HAL Id : tel-01121911, version 1

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Pierre-Antoine Bouit. Synthèse de chromophores absorbant dans le proche infrarouge : applications à l’optique non-linéaire aux fréquences des télécommunications. Chimie organique. Ecole normale supérieure de Lyon, 2008. Français. ⟨tel-01121911⟩

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