Optimization of laser emission at 2.8 μm by Er:Lu2O3 ceramics

被引：44

作者：

Uehara, Hiyori ^{[1
]}

Tokita, Shigeki ^{[1
]}

Kawanaka, Junji ^{[1
]}

Konishi, Daisuke ^{[3
]}

Murakami, Masanao ^{[3
]}

Shimizu, Seiji ^{[3
]}

Yasuhara, Ryo ^{[2
]}

机构：

[1] Osaka Univ, Inst Laser Engn, 2-6 Yamada Oka, Suita, Osaka 5650871, Japan

[2] Natl Inst Nat Sci, Natl Inst Fus Sci, 322-6 Oroshi Cho, Toki, Gifu 5095292, Japan

[3] Mitsuboshi Diamond Ind Co Ltd, 32-12 Koroen, Settsu, Osaka 5660034, Japan

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 03期

基金：

日本科学技术振兴机构; 日本学术振兴会;

关键词：

ERZBLAN FIBER LASER; RARE-EARTH IONS; TRANSPARENT CERAMICS; OPTICAL-PROPERTIES; CONTINUOUS-WAVE; UP-CONVERSION; INTENSITIES; FABRICATION; EFFICIENCY; CRYSTAL;

D O I：

10.1364/OE.26.003497

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have demonstrated the continuous-wave operation of a highly efficient 2.8 mu m Er-doped Lu2O3 ceramic laser at room temperature. An Er: Lu2O3 ceramic with a doping concentration of 11 at.% afforded a slope efficiency of 29% and an output power of 2.3 W with pumping at 10 W. To our knowledge, these are the highest slope efficiency and output power obtained to date for an Er:Lu2O3 ceramic laser at 2.8 mu m. In addition, we prepared ceramics with various doping concentrations and determined their emission cross sections by fluorescence lifetime measurements and emission spectroscopy. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：3497 / 3507

页数：11

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