Ho3+掺杂K2YF5微粒的红外吸收和激光光谱

IF 3.8 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Optical Materials Pub Date : 2025-03-25 DOI:10.1016/j.optmat.2025.116938

Pakwan Chanprakhon, Michael F. Reid, Jon-Paul R. Wells

引用次数: 0

摘要

采用高分辨率吸收和激光光谱法测定了K2YF5微粒中Ho3+离子的电子能级。共分配了72个晶体场能级，分布在8个多重态中。这些光学数据被用于K2YF5中Ho3+电子结构的晶体场建模。该模型精确再现了部分分辨的超精细分裂。测量了5F5多倍体荧光寿命的温度依赖性，并通过五声子过程模拟了非辐射弛豫的温度依赖性。本文报道了Ho3+和Yb3+共掺杂微粒子中红外到可见光上转换的初步测量结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Infrared absorption and laser spectroscopy of Ho3+ doped K2YF5 microparticles

High-resolution absorption and laser spectroscopy are used to determine electronic energy levels for Ho

^{3 +}

ions in K

_{2}

_{5}

microparticles. A total of 72 crystal-field energy levels, distributed among 8 multiplets, are assigned. This optical data is used for crystal-field modelling of the electronic structure of Ho

^{3 +}

in K

_{2}

_{5}

. Partially-resolved hyperfine splittings are accurately reproduced by the model. The temperature dependence of the fluorescent lifetime of the

^{5}

_{5}

multiplet is measured and the temperature dependence of the non-radiative relaxation is modelled by a five-phonon process. Preliminary measurements of infra-red to visible upconversion in microparticles co-doped with Ho

^{3 +}

and Yb

^{3 +}

is reported.

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来源期刊

Optical Materials 工程技术-材料科学：综合

CiteScore

6.60

自引率

12.80%

发文量

1265

审稿时长

38 days

期刊介绍： Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials. OPTICAL MATERIALS focuses on: • Optical Properties of Material Systems; • The Materials Aspects of Optical Phenomena; • The Materials Aspects of Devices and Applications. Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.