Devitrification of ultrafast laser plasma produced metastable glass layer

被引：4

作者：

Chandrappan, Jayakrishnan ^{[1
]}

Khetan, Vishal ^{[2
]}

Ward, Michael ^{[3
]}

Murray, Matthew ^{[1
]}

Jose, Gin ^{[1
]}

机构：

[1] Univ Leeds, Sch Chem & Proc Engn, Leeds LS2 9JT, W Yorkshire, England

[2] Univ Leeds, Sch Mech Engn, Leeds LS2 9JT, W Yorkshire, England

[3] Univ Leeds, Leeds Electron Microscopy & Spect Ctr, Leeds LS2 9JT, W Yorkshire, England

来源：

SCRIPTA MATERIALIA | 2017年 / 131卷

基金：

英国工程与自然科学研究理事会;

关键词：

Erbium doped silicate; Ultrafast laser; Optical materials; Optical amplifiers; SILICON PHOTONICS; ERBIUM; AMPLIFIERS;

D O I：

10.1016/j.scriptamat.2016.12.028

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Erbium-doped tellurite modified silica (EDTS) is a newly formulated silicate glass that has the potential to realize on-chip optical amplifiers. The devitrification process of EDTS layer on host silica glass has been studied in the temperature range 300 degrees C-1000 degrees C. In-situ high-temperature X-ray diffraction, selective area electron diffraction and high-resolution transmission electron microscopy revealed the amorphous phase of EDTS as-fabricated up to 600 degrees C and rapid irreversible crystalline phase developments above 600 degrees C, contrasting the host silica. Distinct structural evolutions of EDTS with the variation in temperature were observed, including a complete evaporation of TeO2 at 800 degrees C from the matrix. (C) 2017 The Authors. Published by Elsevier Ltd on behalf of Acta Materialia Inc.

引用

页码：37 / 41

页数：5

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