Crystal structure, Judd-Ofelt analysis, and spectroscopic assessment of a TmAl3(BO3)4 crystal as a new potential diode-pumped laser near 1.9 μm

被引：29

作者：

Jia, Guohua ^{[1
]}

Tu, Chaoyang ^{[1
]}

Li, Jianfu ^{[1
]}

You, Zhenyu ^{[1
]}

Zhu, Zhaojie ^{[1
]}

Wu, Baichang ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, Natl Engn Res Ctr Optoelect Crystalline Mat, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China

来源：

INORGANIC CHEMISTRY | 2006年 / 45卷 / 23期

关键词：

RARE-EARTH IONS; SINGLE-CRYSTALS; SPECTRAL PROPERTIES; OPTICAL ABSORPTION; ENERGY-TRANSFER; YB-YAG; INTENSITIES; GROWTH; TM3; LINDP4O12;

D O I：

10.1021/ic061025n

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

TmAl3(BO3)(4) crystallizes in the trigonal system R32 (No. 155) with a = b = 9.2741(13) angstrom, c = 7.218(3) angstrom, alpha = beta = 90 degrees, gamma = 120 degrees, V = 537.7(2) angstrom(3), D-c = 4.494 g cm(-3), and Z = 3. The absorption spectrum of this crystal was recorded at room temperature. The Judd-Ofelt (J-O) theory was applied to the absorption intensities of TmAl3(BO3)(4) to obtain the three J-O parameters: Omega(2) = 2.40 x 10(-20) cm(2), Omega(4) = 0.48 x 10(-20) cm(2), and Omega(6) = 1.09 x 10(-20) cm(2). The radiative probabilities, radiative lifetimes, and branching ratios of TmAl3(BO3)(4) were calculated. The absorption and emission cross sections, together with the potential laser gain near 1.9 mu m, were investigated. The potential laser gain curves indicate that the tunability range is about 200 nm.

引用

页码：9326 / 9331

页数：6

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