Mr. Yifan Ren Profile

Yifan Ren

at Yanshan Univ

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Proceedings Article | 17 April 2020 Paper

Effect of different high temperature melting processes on spectral properties of Yb doped lithosilicate glass

Yuee Chen, Yifan Ren, Zhaoyuan Song, Yutian Wang

Proceedings Volume 11455, 114556L (2020) https://doi.org/10.1117/12.2565275

KEYWORDS: Glasses, Luminescence, Ytterbium, Absorption, Silicate glass, Fiber lasers, Quartz, Lithium, Statistical analysis, Alkaline earth metals

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Rare earth doped microstructured fiber (MSF) is an excellent amplification carrier that can be effectively applied to high power fiber lasers. In order to improve the laser performance, it is very meaningful to compare the effects of different processes on the laser performance of rare earth doped core rod materials in rare earth doped microstructured optical fiber preforms. In this paper, the effects of different melting processes on the spectral properties of Yb-doped lithium silicate glass materials were studied. The simulation of the melting process of Yb-doped lithium silicate glass materials under different temperature fields was carried out based on COMSOL Multiphysics. The theory analyzes the causes of the different effects of the material spectrum. Based on the formulation of Yb-doped lithium silicate glass material, the temperature field under high temperature melting process, high temperature melting combined with ring oxyhydrogen flame melting process (referred to as secondary melting) was simulated and the spectral properties of the obtained glass samples were analyzed. The test compares the absorption and fluorescence spectra of the two smelting methods under the same formulation with the temperature field characteristics in the preparation process. The rare earth doped glass material prepared by the secondary melting process has good physical properties, superior spectral performance, and is more suitable for high power fiber. The core amplifying component of the laser - the conclusion of the preparation of rare earth doped microstructured fibers.

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