Evidence for existence of the trapped exciton states in Pr~(3+)-doped LiNbO_3 crystal

Cz. Koepke; K. Wisniewski; D. Dyl; M. Grinberg; M. Malinowski

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Evidence for existence of the trapped exciton states in Pr~(3+)-doped LiNbO_3 crystal

机译：Pr〜（3+）掺杂LiNbO_3晶体中存在俘获的激子态的证据

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摘要

We present the arguments for existence of the Pr~(3+)-trapped exciton system in the LiNbO_3:Pr~(3+) crystal which is responsible for the non-radiative processes quenching the radiative emission from the ~3P_0 state. We report on the LiNbO_3:Pr~(3+) absorption spectra, pho-toluminescence spectra for different excitation, the ~1D_2 → ~3H_4 luminescence excitation spectra and the excited state absorption (ESA) spectra. We estimate the semi-empirical parameters describing the LiNbO_3:Pr~(3+) system (the Racah integrals, spin-orbit coupling and crystal field parameters) and parameters describing the configurational coordinate diagram of the Pr~(3+) trapped exciton.

机译：我们提出了在LiNbO_3：Pr〜（3+）晶体中存在Pr〜（3+）俘获的激子系统的论点，这是非辐射过程淬灭〜3P_0态的辐射的原因。我们报告了LiNbO_3：Pr〜（3+）吸收光谱，不同激发的光致发光光谱，〜1D_2→〜3H_4发光激发光谱和激发态吸收（ESA）光谱。我们估计描述LiNbO_3：Pr〜（3+）系统的半经验参数（Racah积分，自旋轨道耦合和晶体场参数）和描述Pr〜（3+）俘获激子的构型坐标图的参数。

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来源
《Optical Materials》 |2006年第2期|p.137-142|共6页
作者
Cz. Koepke; K. Wisniewski; D. Dyl; M. Grinberg; M. Malinowski;
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作者单位

Institute of Physics N. Copernicus University Torun Grudziadzka 5/7 87-100 Torun Poland;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
laser materials; spectroscopy; praseodymium; LiNbO_3 crystal; trapped exciton;

机译：激光材料光谱学镨;LiNbO_3晶体;被困激子;

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2. Optical properties of Sm~(3+) doped Mg: LiNbO_3 and Zn: LiNbO_3 single crystals [J] . Yunhua Wang, Biao Wang, Dong Wu, Optical Materials . 2012,第5期

机译：Sm〜（3+）掺杂Mg：LiNbO_3和Zn：LiNbO_3单晶的光学性质
3. Growth and spectroscopic properties of LiNbO_3 single crystals doped with Nd~3+ and Yb~3+ ions [J] . I. Sokolska, I. Pracka, T. Lukasiewicz Journal of Crystal Growth . 1999,第1期

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4. Comparison of structural and optical properties of LiNbO_3 single crystals doped with Pr~(3+), Yb~(3+), and Pr~(3+) + Yb~(3+) ions [C] . I. Pracka, M. Malinowski, A. L. Bajor, conference on Solid State Crystals;Conference on solid state crystals, growth and characterization . 1997

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Evidence for existence of the trapped exciton states in Pr~(3+)-doped LiNbO_3 crystal

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