Investigation on Tm³⁺-doped silicate glass for 1.8 渭m emission

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• 作者：Ming Li^a ; ^b ; Gongxun Bai^a ; ^b ; Yanyan Guo^a ; ^b ; Lili Hu^a ; Junjie Zhang^a ; ^{jjzhang@mail.siom.ac.cn}
• 关键词：1.8  ; 渭m emission ; Silicate glass ; Tm3+ ; Emission properties
• 刊名：Journal of Luminescence
• 出版年：2012
• 期刊代码：54_00222313
• 类别：ch
• 出版时间：July, 2012
• 卷：132
• 期：7
• 页码：1830-1835
• 文件大小：524 K

摘要

A Tm³⁺-doped silicate glass (SiO₂-CaO-Na₂O-K₂O) with good thermal stability is prepared by the melt-quenching method. Intense 1.8 渭m emission is obtained when pumped by an 808 nm laser diode. Based on the measured absorption spectra, radiative properties are predicted using Judd-Ofelt theory and Judd-Ofelt parameters 惟_位 (位=2, 4, 6), as well as absorption and emission cross-sections are calculated and analyzed. The difference between the measured Tm³⁺:³F₄ lifetime and the calculated lifetime is also discussed. The emission property together with good thermal property indicates that Tm³⁺-doped silicate glass is a potential kind of laser glass for efficient 2 渭m laser.