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Caractérisation non linéaire de composants optiques d'une chaîne laser de forte puissance

Abstract : This work concerns the realisation of non linear properties measurement prototypes in glasses in the near infrared and in the visible range. The various devices are time resolved collinear pump probe experiments in which the non linear susceptibility is deduced by the probe beam intensity variations induced by the pump probe coupled in the material. The sensitivity of these experiments allows us to observe unexpected variations, greater than 30%, of several fused silica non linear indexes. As well, this allow us to analyse the origin of the promising oxide glasses non linearity for all optical applications and to understand and measure non linear processes in the two photons photodiodes. Finally, an original structure for the non linear index measurement in non degenerated configuration by a probe pulse phase measurement approach with a Sagnac interferometer is demonstrated and analysed.
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https://tel.archives-ouvertes.fr/tel-00009578
Contributor : Stéphane Santran <>
Submitted on : Thursday, June 23, 2005 - 3:03:44 PM
Last modification on : Monday, January 22, 2018 - 11:02:02 AM
Long-term archiving on: : Friday, April 2, 2010 - 10:39:52 PM

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  • HAL Id : tel-00009578, version 1

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Stéphane Santran. Caractérisation non linéaire de composants optiques d'une chaîne laser de forte puissance. Physique Atomique [physics.atom-ph]. Université Sciences et Technologies - Bordeaux I, 2000. Français. ⟨tel-00009578⟩

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