Spectroscopic and radiation-resistant properties of Er,Pr:GYSGG laser crystal operated at 2.79 μm

作     者：赵绪尧 孙敦陆 罗建乔 张会丽 方忠庆 权聪 李秀丽 程毛杰 张庆礼 殷绍唐 

作者机构：The Key Laboratory of Photonic Devices and Materials Anhui Province Anhui Institute of Optics and Fine MechanicsChinese Academy of Sciences University of Science and Technology of China State Key Laboratory of Pulsed Power Laser Technology Electronic Engineering Institute 

出 版 物：《Chinese Physics B》 (中国物理B（英文版）)

年 卷 期：2017年第26卷第7期

页      面：173-177页

核心收录：

学科分类：08[工学] 0803[工学-光学工程] 

基　　金：Project supported by the National Key Research and Development Program of China(Grant No.2016YFB1102301) the National Natural Science Foundation of China(Grant Nos.51272254,61405206,and 51502292) the Open Research Fund of the State Key Laboratory of Pulsed Power Laser Technology,Electronic Engineering Institute,China(Grant No.SKL2015KF01) 

主　　题：Er Pr:GYSGG crystal gamma-ray irradiation anti-radiation ability laser material 

摘      要：We demonstrate the spectroscopic and laser performance before and after 100 Mrad gamma-ray irradiation on an Er,Pr：GYSGG crystal grown by the Czochralski method. The additional absorption of Er,Pr：GYSGG crystal is close to zero in the 968 nm pumping and 2.7-3 μm laser wavelength regions. The lifetimes of the upper and lower levels show faint decreases after gamma-ray irradiation. The maximum output powers of 542 and 526 mW with the slope efficiencies of 17.7% and 17.0% are obtained, respectively, on the GYSGG/Er,Pr：GYSGG composite crystal before and after the gammaray irradiation. These results suggest that Er,Pr：GYSGG crystal as a laser gain medium possesses a distinguished antiradiation ability for application in space and radiant environments.