Spectral characteristics of Nd3+/Yb3+:LuPO4 crystal applied to multi-wavelength emission in 1.0 μm

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

Optical Materials Pub Date : 2025-06-02 DOI:10.1016/j.optmat.2025.117220

Hua Xu , Lijun Xu , Ziliang Zhu , Qingtang Xu , Jingyao Lu , Shijia Sun

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引用次数: 0

Abstract

Exploring new gain media for near-infrared multi-wavelength lasers remains a current research hotspot. In this paper, 0.8 at.% Nd³⁺ co-doped 0.2 at.% Yb³⁺:LuPO₄ (Nd/Yb:LuPO₄) single crystal was prepared for the first time by high-temperature solution method. The corresponding crystal structures, spectroscopic properties and energy transfer mechanism are analyzed in detail. The absorption FWHM near 803 nm were determined to be 9 nm and 10 nm, respectively, indicating that the Nd/Yb:LuPO₄ crystal is quite suitable for commercial AlGaAs laser diode pumping. The emission spectral parameters of Nd³⁺ and Yb³⁺ ions in the grown crystal were calculated by RM and F-L methods. And the energy transfer process between the ⁴F_3/2 level of Nd³⁺ and ²F_5/2 level of Yb³⁺ was discussed. The co-doping of Yb³⁺ and Nd³⁺ ions successfully achieved the characteristics of multi-wavelength emission, which indicates that Nd/Yb:LuPO₄ crystal is a potential candidate for multi-wavelength laser applicable in the 1.0 μm.

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应用于1.0 μm多波长发射的Nd3+/Yb3+:LuPO4晶体的光谱特性

探索新的近红外多波长激光器增益介质是当前的研究热点。在本文中，0.8 at。% Nd3+共掺0.2 at。采用高温溶液法制备了% Yb3+:LuPO4 （Nd/Yb:LuPO4）单晶。详细分析了相应的晶体结构、光谱性质和能量传递机理。803 nm附近的吸收峰宽分别为9 nm和10 nm，表明Nd/Yb:LuPO4晶体非常适合商用AlGaAs激光二极管抽运。用RM法和F-L法计算了生长晶体中Nd3+和Yb3+离子的发射光谱参数。讨论了Nd3+的4F3/2能级与Yb3+的2F5/2能级之间的能量传递过程。Yb3+和Nd3+离子的共掺杂成功地实现了Nd/Yb:LuPO4晶体的多波长发射特性，这表明Nd/Yb:LuPO4晶体是应用于1.0 μm多波长激光器的潜在候选材料。

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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.