Upconversion spectra of Nd:GdVO4 crystal under CW 808 nm diode-laser pumping

被引:27
作者
Li, X. D. [1 ]
Yu, X. [1 ]
Gao, J. [1 ]
Chen, F. [1 ]
Yu, J. H. [1 ]
Chen, D. Y. [1 ]
机构
[1] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150001, Peoples R China
关键词
energy transfer upconversion; excited state absorption; Nd:GdVO4 crystal; diode-laser pumping; EXCITED-STATE-ABSORPTION; ND-GDVO4; LASER; ND-YLF; POWER; LUMINESCENCE; PERFORMANCE; Y3AL5O12; LIFETIME;
D O I
10.1002/lapl.200810114
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Higher order processes that produced visible fluorescence observed in Nd:GdVO4 laser crystals pumped by 808 nm diode-laser were studied in the spectroscopie measurements. These processes were the energy transfer upconversion and the excited state absorption. The green, orange and the red emissions can be attributed to the transitions from the (4)G(7/2) excited state, which is populated by the ETU, the UV and blue emissions can be attributed to the ESA. The upconversion spectra indicate that ETU and ESA process seem to be responsible for the observed visible luminescence. (c) 2009 by Astro Ltd. Published exclusively by WLLEY-VCH Verlag GmbH & Co. KGaA
引用
收藏
页码:125 / 128
页数:4
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