La₂O₃ 在 Tm³⁺掺杂的锗酸盐-碲酸盐玻璃中对 ~2 μm 发射的影响。

The effect of La₂O₃ in Tm³⁺-doped germanate-tellurite glasses for ~2 μm emission.

机构信息

1] Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China [2] University of Chinese Academy of Sciences, Beijing 100039, China.

Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China.

出版信息

Sci Rep. 2014 Jun 11;4:5256. doi: 10.1038/srep05256.

DOI:10.1038/srep05256

PMID:24918516

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4052720/

Abstract

A germanate-tellurite glass (GeO2-TeO₂-K₂O-Nb₂O₅-La₂O₃) with thulium doping has been investigated for application as a laser material around 2.0 μm regions. Under the 808 nm laser diode pumped, intense 1.8 μm emission is obtained. Based on the absorption spectra, radiative properties are predicted using Judd-Ofelt theory. The maximum value of emission cross-section of Tm(3+) around 1.8 μm can reach 1.46 × 10(-20) cm(2), which indicated that the germanate-tellurite glass may provide high gain as a good medium for efficient 1.8 μm laser system.

摘要

一种掺铥的锗酸盐-碲酸盐玻璃（GeO2-TeO₂-K₂O-Nb₂O₅-La₂O₃）已被研究用作 2.0 μm 波段的激光材料。在 808nm 激光二极管泵浦下，获得了强烈的 1.8μm 发射。基于吸收光谱，使用 Judd-Ofelt 理论预测了辐射性质。Tm(3+)在 1.8μm 处的最大发射截面可达到 1.46×10(-20)cm(2)，这表明锗酸盐-碲酸盐玻璃可能作为高效 1.8μm 激光系统的良好介质提供高增益。