Highly transparent Nd3+: Lu2O3 produced by spark plasma sintering and its laser oscillation

被引：27
|
作者：
An, Liqiong [1 ]
Ito, Akihiko [1 ]
Zhang, Jian [2 ]
Tang, Dingyuan [2 ]
Goto, Takashi [1 ]
机构：
[1] Tohoku Univ, Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan
[2] Jiangsu Normal Univ, Jiangsu Key Labs Adv Laser Mat & Devices, Xuzhou 221116, Peoples R China
来源：
OPTICAL MATERIALS EXPRESS | 2014年 / 4卷 / 07期
基金：
日本学术振兴会;
关键词：
SOLID-STATE LASERS; YB3+-LU2O3 CERAMIC LASER; MODE-LOCKED YB3+-LU2O3; OPTICAL-PROPERTIES; SPECTROSCOPIC PROPERTIES; FUNDAMENTAL-ASPECTS; YAG; SCALABILITY; PERFORMANCE; CRYSTALS;
D O I：
10.1364/OME.4.001420
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Laser oscillation was demonstrated using a 1 at.% Nd3+-doped Lu2O3 (Nd3+:Lu2O3) transparent ceramic produced by spark plasma sintering. Nd2O3, Lu2O3, and LiF commercial powders were mixed by ball milling and were sintered at 1723 K using a two-step sintering profile. After the transparent Nd3+: Lu2O3 ceramic was annealed in air, its transmittance at 1076 nm reached 81.8%, which was close to the theoretical value for Lu2O3 (82.2%). The absorption cross-section at 806 nm was 1.29 x 10(-20) cm(2), and the fluorescence decay time at 1076 nm was 229 mu s. The laser oscillation of Nd3+: Lu2O3 ceramic for the transition from F-4(3/2) to I-4(11/2)-specifically, at 1076.7 and 1080.8 nm-was simultaneously obtained, with a laser output of 0.21 W and slope efficiency of 14%. (C) 2014 Optical Society of America
引用
收藏
页码：1420 / 1426
页数：7
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