Nonequivalent Yb3+ centres in Y1-xYbxAl3(BO3)4 laser crystals

被引：10

作者：

Boldyrev, K. N. ^{[1
]}

Popova, M. N. ^{[1
]}

Bezmaternykh, L. N. ^{[2
]}

Bettinelli, M. ^{[3
,4
]}

机构：

[1] Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Region, Russia

[2] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia

[3] Univ Verona, DB, Lab Solid State Chem, I-37134 Verona, Italy

[4] UdR Verona, INSTM, I-37134 Verona, Italy

来源：

QUANTUM ELECTRONICS | 2011年 / 41卷 / 02期

关键词：

YAl3(BO3)(4)crystals; ytterbium; high-resolution spectroscopy; SINGLE-CRYSTALS; GROWTH; FREQUENCY;

D O I：

10.1070/QE2011v041n02ABEH014419

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The absorption spectra of nonlinear laser crystals Y1-xYbxAl3(BO3)(4) grown from bismuth-lithium-molybdate and potassium-molybdate solution-melts are comparatively studied by high-resolution Fourier spectroscopy. The differences observed in the fine structure of the absorption spectra are correlated with the variations in the solution - melt composition and in the concentrations of bismuth and molybdenum impurities in the crystals. It is shown that the concentration of the molybdenum impurity (the main factor hindering lasing in the UV spectral region) in the single crystals grown from the bismuth-lithium-molybdate solutions is more than an order of magnitude smaller than in the crystals grown using the potassium-molybdate solution-melt. The described method can be used for express analysis of the quality of UV laser crystals and for improving the solution-melt technologies of growth of laser crystals and crystals used for generation of the fourth harmonic of Nd:YAG laser radiation.

引用

页码：120 / 124

页数：5

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