Influence of Y2O3 Content on Structural, Optical, Spectroscopic, and Laser Properties of Er3+, Yb3+ Co-Doped Phosphate Glasses

被引：9
|
作者：
Veselsky, Karel [1 ]
Lahti, Vilma [2 ]
Petit, Laeticia [2 ]
Prajzler, Vaclav [3 ]
Sulc, Jan [1 ]
Jelinkova, Helena [1 ]
机构：
[1] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Brehova 7, Prague 11519, Czech Republic
[2] Tampere Univ, Photon Lab, Korkeakoulunkatu 3, Tampere 33720, Finland
[3] Czech Tech Univ, Fac Elect Engn, Tech 2, Prague 16627, Czech Republic
来源：
MATERIALS | 2021年 / 14卷 / 14期
基金：
芬兰科学院;
关键词：
erbium Er3+; ytterbium Yb3+; yttrium; glass; phosphate; spectroscopy; laser; STIMULATED-EMISSION; OH-GROUPS; SPECTRA; ABSORPTION;
D O I：
10.3390/ma14144041
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The influence of the addition of Y2O3 on the structural, spectroscopic, and laser properties of newly prepared Er, Yb-doped strontium-sodium phosphate glass was investigated. While the addition of Y2O3 has a small influence on the absorption spectra and fluorescence lifetime, it has a strong impact on the emission cross-section and on OH- content. The glasses were used as the active medium for diode-pumped laser emitting at 1556 nm. The increase in Y2O3 content leads to a significant 35% increase in laser slope efficiency up to 10.4%, but at the expense of the substantial reduction of the wavelength tunability from 82 to 54 nm.
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收藏
页数：13
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