Pr-doped ZBLA fluoride glasses for visible laser emission |
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Authors: | Melinda OlivierParastesh Pirasteh,Jean-Louis DoualanPatrice Camy,Hervé LhermiteJean-Luc Adam,Virginie Nazabal |
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Affiliation: | a Sciences Chimiques de Rennes, UMR-CNRS 6226, Equipe Verres et Céramiques, Université de Rennes1, 35042 Rennes, France b CIMAP, ENSI Caen, 6 boulevard du Maréchal Juin, 14050 Caen cedex 4, France c IETR-Microelectronique, Université Rennes1, 35042 Rennes, France |
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Abstract: | Praseodymium doped Fluoride glasses were studied in order to fabricate compact solid state laser sources emitting in the visible range for lighting application and for quantum information processing. The objective of this study is focused on red, green and orange emissions. ZBLA bulk glasses (57%ZrF4 - 34%BaF2 - (5 − x)%LaF3 - 4%AlF3 - x%PrF3) have been synthesized under dry argon atmosphere. Physicochemical and optical properties such as density, glass transition temperature, composition, transmission and refractive index have been investigated. Spectroscopic studies have been performed to optimize the rare earth doping level in order to reach the best compromise respecting a good optical quality, a highest lifetime and efficient emission intensity at 635, 605 and 520 nm. Spectroscopic measurements have been carried out on bulk samples with Pr3+ concentrations ranging from 0.1 to 3 mol% and first characterizations of ion exchanged Pr: ZBLA waveguides are reported. |
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Keywords: | Fluorozirconate Glasses Rare earth Laser Waveguide |
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