Iuliia Kraskowski (Shestopalova), Khaldoon Nasser, Juho Korri, Mikko Närhi, Regina Gumenyuk, Abdelhak Othmani, Catherine Boussard-Plédel, Johann Troles, Laeticia Petit
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引用次数: 0
Abstract
Er3+-doped fibers are widely used as 1.55 µm broadband optical amplifiers. Tellurite glasses are particularly suitable as a gain medium due to their lower phonon energy and better rare-earth solubility compared to silica glass. Various strategies, such as reducing the OH content and co-doping with silver nanoparticles (Ag NPs), are attempted to improve the spectroscopic properties. However, maintaining the glass drawability into fibers when developing glasses with improved spectroscopic properties remains a significant challenge. Indeed, it is confirmed that NH4HF2 can be added into the tellurite glass batch prior to the melting to reduce OH− content. However, the presence of remaining F in the glass is demonstrated to have a detrimental impact on the glass thermal properties preventing the drawing of this glass into fiber. The successful drawing of a single-index optical fiber from a tellurite glass preform heavily doped with Er3+ ions is reported for the first time. The Ag NPs are grown in the fiber using a thermal treatment at the glass transition temperature. The presence of the NPs is confirmed using a TEM and from the spectroscopic properties. The interaction between Er3+ ions and the Ag species offers potential for modifying the luminescence properties of the fiber.
期刊介绍:
The Journal of the American Ceramic Society contains records of original research that provide insight into or describe the science of ceramic and glass materials and composites based on ceramics and glasses. These papers include reports on discovery, characterization, and analysis of new inorganic, non-metallic materials; synthesis methods; phase relationships; processing approaches; microstructure-property relationships; and functionalities. Of great interest are works that support understanding founded on fundamental principles using experimental, theoretical, or computational methods or combinations of those approaches. All the published papers must be of enduring value and relevant to the science of ceramics and glasses or composites based on those materials.
Papers on fundamental ceramic and glass science are welcome including those in the following areas:
Enabling materials for grand challenges[...]
Materials design, selection, synthesis and processing methods[...]
Characterization of compositions, structures, defects, and properties along with new methods [...]
Mechanisms, Theory, Modeling, and Simulation[...]
JACerS accepts submissions of full-length Articles reporting original research, in-depth Feature Articles, Reviews of the state-of-the-art with compelling analysis, and Rapid Communications which are short papers with sufficient novelty or impact to justify swift publication.