Growth, spectral properties, and laser demonstration of Nd:(Lu0.5Gd0.5)2SiO5 crystal

被引：9
作者：
Li, D. Z. [1 ,2 ,3 ]
Xu, X. D. [1 ]
Zhang, J. [3 ]
Cong, Z. H. [4 ]
Tang, D. Y. [4 ]
Ma, J. [3 ]
Zhu, H. M. [5 ]
Chen, X. Y. [5 ]
Wu, F. [1 ]
Xia, C. T. [1 ]
Xu, J. [6 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[3] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore
[4] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
[5] Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Optoelect Mat Chem & Phys, Fujian 350002, Peoples R China
[6] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Transparent & Optofunct Inorgan Mat, Shanghai 201800, Peoples R China
来源：
LASER PHYSICS LETTERS | 2011年 / 8卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Nd:LGSO crystal; Czochralski method; spectral properties; laser properties; SINGLE-CRYSTALS; STIMULATED-EMISSION; CZOCHRALSKI GROWTH; OPTICAL-PROPERTIES; ND/YVO4; LASER; LGSO; ND3+; SPECTROSCOPY; NEODYMIUM; GARNET;
D O I：
10.1002/lapl.201110040
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A Nd:(Lu0.5Gd0.5)(2)SiO5 (Nd:LGSO) crystal has been grown by the Czochralski method. The cell parameters were analyzed with X-ray diffraction (XRD). The Judd-Ofelt intensity parameters Omega(2,4,6) were obtained to be 5.37, 1.63, and 5.57x10(-20) cm(2), respectively. The absorption and emission cross sections and branching ratios were calculated. The Nd:LGSO crystal reveals a broadband emission feature (FWHM=9.8 nm), which shows potential as gain medium for ultrashort pulse lasers. The radiative and fluorescence lifetimes are 299 and 230 mu s, respectively, resulting in a quantum efficiency of 77%. Pumped by a laser diode, the maximum continuous wave (CW) output power of 444 mW and a slope efficiency of 17.7% have been obtained. (C) 2011 by Astro Ltd. Published exclusively by WILEY-VCH Verlag GmbH & Co. KGaA
引用
收藏
页码：647 / 652
页数：6
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