Polarized spectral properties of Nd3+ ions in CaYAlO4 crystal

被引：60
作者：
Li, D. Z. [1 ,2 ]
Xu, X. D. [1 ]
Cheng, S. S. [1 ,2 ]
Zhou, D. H. [1 ,2 ]
Wu, F. [1 ]
Zhao, Z. W. [1 ]
Xia, C. T. [1 ]
Xu, J. [3 ]
Zhang, J. [4 ]
Zhu, H. M. [5 ]
Chen, X. Y. [5 ]
机构：
[1] Chinese Acad Sci, Key Lab Mat High Power Laser, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 201800, Peoples R China
[4] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
[5] Chinese Acad Sci, Key Lab Optoelect Mat Chem & Phys, Fujian Inst Res Struct Matter, Fuzhou 350002, Fujian, Peoples R China
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2010年 / 101卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
OPTICAL-ABSORPTION INTENSITIES; RARE-EARTH IONS; SPECTROSCOPIC PROPERTIES; SINGLE-CRYSTAL; YAG CERAMICS; LASER; ND-CAYALO4; GENERATION; GROWTH; ER3+;
D O I：
10.1007/s00340-010-4026-6
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Nd:CaYAlO4 single crystal has been grown by the Czochralski technique. The cell parameters were analyzed with X-ray diffraction (XRD). The polarized absorption spectra, the polarized fluorescence spectra, and the fluorescence decay curve of the crystal were measured at room temperature. The spectroscopic parameters were determined by Judd-Ofelt theory and Fuchtbauer-Ladenburg formula. The effective intensity parameters Omega (2), Omega (4), and Omega (6) were obtained to be 2.19, 8.16, and 8.57x10(-20) cm(2), respectively. The calculated radiative probabilities, branching ratios, and radiative lifetime were also evaluated for the F-4(3/2) excited state using the calculated intensity parameters. The results indicate Nd:CaYAlO4 has potential as a laser gain medium for ultrashort laser system.
引用
收藏
页码：199 / 205
页数：7
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