Yb3+/Er3+共掺硼硅酸钙玻璃的结构和光致发光性能

IF 3.4 3区物理与天体物理 Q2 INSTRUMENTS & INSTRUMENTATION

Infrared Physics & Technology Pub Date : 2025-09-26 DOI:10.1016/j.infrared.2025.106164

Yuhui Yan , Weida Feng , Min Wu , Fangfang Ruan , Yanyan Xue , Zhen Zhang , Jia Tang , Hui Luo , Liangbi Su , Lihe Zheng

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引用次数: 0

摘要

13哦% Yb, 0.08。采用高温熔融法制得的%Er:CBS激光玻璃密度为3.08 g·cm−3。Yb3+和Er3+的位点浓度分别为7.63 × 1020原子·cm−3和4.65 × 1018原子·cm−3。在200 ~ 1000 nm波长范围内，折射率符合n2-1 = 0.403367λ2/(λ2-0.0693712) + 0.069375λ2/(λ2-1.0926222) + 0.90913λ2/(λ2-0.0693752)的selmier拟合公式。在976 nm波长处的吸收系数为28.95 cm−1，吸收截面为8.92 × 10−20 cm2。在1550 nm处的发射截面和荧光寿命分别为2.43 × 10−20 cm2和1.22 ms。在976 nm激发波长下，泵浦饱和强度（Isat）和最小泵浦强度（Imin）分别为1.89 kW·cm−2和0.015 kW·cm−2。

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Structural and photoluminescent properties of Yb3+/Er3+ co-doped calcium borosilicate glass

The 13at.%Yb,0.08at.%Er:CBS laser glass is obtained through a high-temperature melting process possessing a density of 3.08 g·cm⁻³. The site concentrations of Yb³⁺ and Er³⁺ are determined as 7.63 × 10²⁰ atoms·cm⁻³ and 4.65 × 10¹⁸ atoms·cm⁻³, respectively. The refractive index follows the Sellmier Fitting Formula of n²-1 = 0.403367λ²/(λ²-0.0693712) + 0.069375λ²/(λ²-1.0926222) + 0.90913λ²/(λ²-0.0693752) at the wavelength range of 200–1000 nm. The absorption coefficient and absorption cross-section at the wavelength of 976 nm are 28.95 cm⁻¹ and 8.92 × 10⁻²⁰ cm², respectively. The emission cross-section and fluorescence lifetime at 1550 nm are 2.43 × 10⁻²⁰ cm² and 1.22 ms, respectively. The pump saturation intensity (I_sat) and the minimum pump intensity (I_min) under the excitation wavelength of 976 nm are 1.89 kW·cm⁻² and 0.015 kW·cm⁻², respectively.

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来源期刊

Infrared Physics & Technology 物理-光学

CiteScore

5.70

自引率

12.10%

发文量

400

审稿时长

67 days

期刊介绍： The Journal covers the entire field of infrared physics and technology: theory, experiment, application, devices and instrumentation. Infrared'' is defined as covering the near, mid and far infrared (terahertz) regions from 0.75um (750nm) to 1mm (300GHz.) Submissions in the 300GHz to 100GHz region may be accepted at the editors discretion if their content is relevant to shorter wavelengths. Submissions must be primarily concerned with and directly relevant to this spectral region. Its core topics can be summarized as the generation, propagation and detection, of infrared radiation; the associated optics, materials and devices; and its use in all fields of science, industry, engineering and medicine. Infrared techniques occur in many different fields, notably spectroscopy and interferometry; material characterization and processing; atmospheric physics, astronomy and space research. Scientific aspects include lasers, quantum optics, quantum electronics, image processing and semiconductor physics. Some important applications are medical diagnostics and treatment, industrial inspection and environmental monitoring.