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Elaboration and Optimization of Tellurite-based Materials for Raman Gain Application

Abstract : Tellurite-based oxide glasses have been investigated as promising materials for Raman gain applications, due to their good linear and nonlinear optical properties and their wide transparency windows in the near- and midwave infrared spectral region. Furthermore, their interesting thermal properties, i.e. low glass transition temperature and ability to be drawn into optical fibers, make tellurite-based glasses excellent candidates for optical fiber amplifiers. The estimation of the strength and spectral distribution of Raman gain in materials is commonly approximated from the spontaneous Raman scattering cross-section measurement. For development of tellurite-based glasses as Raman amplifiers, understanding the relationship between glass structure, vibrational response, and nonlinear optical properties (NLO) represents a key point. This dissertation provides an answer to the fundamental question of the PhD study: “What is the impact of the glass structure on Raman gain properties of tellurite glasses?”
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Submitted on : Wednesday, October 2, 2013 - 1:16:49 AM
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Guillaume Guéry. Elaboration and Optimization of Tellurite-based Materials for Raman Gain Application. Other. Université Sciences et Technologies - Bordeaux I; Clemson University. Materials science and engineering, 2013. English. ⟨NNT : 2013BOR14808⟩. ⟨tel-00868798⟩

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