Upconversion excitations in Pr3+-doped BaY2F8 crystal

被引：14

作者：

Piramidowicz, R. ^{[1
]}

Mahiou, R. ^{[2
,3
]}

Boutinaud, P. ^{[2
,3
]}

Malinowski, M. ^{[1
]}

机构：

[1] Inst Microelect & Optoelect PW, Ul Koszykowa 75, PL-00662 Warsaw, Poland

[2] Univ Blaise Pascal, Lab Mat Inorgan, UMR 6002, F-63177 Aubiere, France

[3] ENSCCF, F-63177 Aubiere, France

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2011年 / 104卷 / 04期

关键词：

YTTRIUM-ALUMINUM-GARNET; AVALANCHE MECHANISM; ANTI-STOKES; LASER; BLUE; PRASEODYMIUM; PR3+; EMISSION; GREEN; INTENSITIES;

D O I：

10.1007/s00340-011-4407-5

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the orange-to-blue and infrared-(IR)-to-blue wavelengths upconversion luminescence in Pr3+:BaY2F8 crystals. Mechanism of the orange light upconversion into blue P-3(0) state emission was confirmed to be energy transfer between two Pr3+ ions in the D-1(2) state. IR-to-blue upconversion has only been observed under two different color IR pumping. The first resonant step was the H-3(4) -> (1)G(4) ground state absorption transition, and the second resonant transition was the excited state absorption from the (1)G(4) to I-1(6) and P-3(J) levels. A comparison of the efficiency of the IR-to-blue upconversion in several praseodymium activated host is presented and discussed. A model of the IR pumped upconversion praseodymium blue laser is presented and the population inversion conditions are calculated.

引用

页码：873 / 881

页数：9

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