Electron trap liberation in MgF_2 doped with Yb~(2+) using a two-color excitation experiment

P. S. Senanayake; J.-P. R. Wells; M. F. Reid; G. Berden; A. Meijerink; R. J. Reeves

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Electron trap liberation in MgF_2 doped with Yb~(2+) using a two-color excitation experiment

机译：Yb〜（2+）掺杂的MgF_2中电子陷阱的双色激发实验

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We utilize the optical transitions of Yb~(2+) excited by an ultraviolet optical parametric amplifier to probe electron trap liberation in MgF_2 via the observation of a photoluminescence enhancement effect induced by a subsequent infrared pulse from a free-electron laser. The temperature dependence of the enhancement suggests that we liberate very shallow traps having a depth of approximately 17cm~(-1). The observed "trap spectrum" is consistent with a simple model of a Coulomb trap.

机译：我们利用紫外光参量放大器激发的Yb〜（2+）的光学跃迁，通过观察由自由电子激光产生的后续红外脉冲引起的光致发光增强效应，来探测MgF_2中电子陷阱的释放。增强作用的温度依赖性表明我们释放了深度约为17cm〜（-1）的非常浅的陷阱。观察到的“阱谱”与库仑阱的简单模型一致。

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来源
《Applied Physics Letters》 |2012年第4期|p.041902.1-041902.3|共3页
作者
P. S. Senanayake; J.-P. R. Wells; M. F. Reid; G. Berden; A. Meijerink; R. J. Reeves;
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作者单位

Department of Physics and Astronomy, University of Canterbury, PB4800, Christchurch 8020, New Zealand;

Department of Physics and Astronomy, University of Canterbury, PB4800, Christchurch 8020, New Zealand;

Department of Physics and Astronomy and MacDiarmid Institute for Advanced Materials and Nanotechnology,University of Canterbury, PB 4800, Christchurch 8140, New Zealand;

FELIX Free-Electron Laser Facility, FOM Institute for Plasmaphysics "Rijnhuizen," P.O. Box 1207,3430 BE Nieuwegein, The Netherlands;

Debye Institute for NanoMaterials Science, University of Utrecht, P.O. Box 80000, TA 3500 Utrecht, The Netherlands;

Department of Physics and Astronomy and MacDiarmid Institute for Advanced Materials and Nanotechnology,University of Canterbury, PB 4800, Christchurch 8140, New Zealand;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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入库时间 2022-08-18 03:17:00

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机译：掺杂mgF $ _ {2} $中电子陷阱释放的观察 Yb $ ^ {2 +} $使用双色激发实验

Electron trap liberation in MgF_2 doped with Yb~(2+) using a two-color excitation experiment

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