Spectroscopic properties and energy transfer process in Tm3+-doped Silica-germanate glasses

被引：22

作者：

Wang, Tao ^{[1
]}

Huang, Feifei ^{[1
]}

Qi, Fangwei ^{[1
]}

Tian, Ying ^{[1
]}

Zhang, Junjie ^{[1
]}

Xu, Shiqing ^{[1
]}

机构：

[1] China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2017年 / 187卷

关键词：

MU-M EMISSION; RARE-EARTH IONS; TELLURITE GLASS; SINGLE-FREQUENCY; M FLUORESCENCE; FIBER LASERS; M LUMINESCENCE; TM3+; RAMAN; INTENSITIES;

D O I：

10.1016/j.jlumin.2017.03.004

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A Tm3+-doped silica-germanate was successfully prepared by high-temperature melting method in this work and compared with traditional silicate and germanate glasses comprehensively. The DSC results indicated a better ability against thermal damage (higher T-g =636 degrees C) compared with silicate glass together with better thermal stability (Delta T = 106 degrees C and S=3.17) than germanate (Delta T = 99 degrees C and S=2.64) glass. Intense 1.8 mu m emission in the silica-germanate glass was also obtained when pumping by an 808 nm laser diode, which possessed larger peak absorption and emission cross section (3.15x 10(-21) cm(2) and 7.08 x 10(-21) cm(2)). Finally, the structure analysis suggested a low phonon energy and high rare earth ions solubility in silica-germanate glass through Raman spectra and X-ray photoelectron spectroscopy. All results indicate that the prepared silica-germanate glass is a promising candidate for 2 pm laser applications. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：205 / 210

页数：6

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