Influence of the PLD parameters on the crystalline phases and fluorescence of Eu:Y2O3 planar waveguides期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Influence of the PLD parameters on the crystalline phases and fluorescence of Eu:Y2O3 planar waveguides

Authors:	J. Lancok C. Garapon C. Martinet J. Mugnier R. Brenier

Affiliation:	(1) Laboratoire de Physico-Chimie des Matériaux Luminescents, CNRS, Université Lyon-I, 10 rue Ampère, 69622 Villeurbanne Cedex, France;(2) Laboratoire de Physique de la Matière Condensée et Nanostructures, CNRS, Université Lyon-I, 6 rue Ampère, 69622 Villeurbanne Cedex, France

Abstract:	Eu³⁺-doped yttrium oxide (Eu:Y₂O₃) films were grown on fused-silica substrates by laser ablation. Depending on oxygen pressure, substrate temperature and laser energy density, the crystalline structure of the films, determined by X-ray diffraction and Raman spectroscopy, changes from monoclinic to cubic. The crystalline structure of the films is confirmed by Eu³⁺ fluorescence spectra and refractive indices, measured by m-line spectroscopy. The cubic crystalline films show low-loss waveguiding properties. PACS 81.15.Fg; 78.55.Hx; 78.20.Ci

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