Er3+/Tm3+/Yb3+ 三掺杂铋锗玻璃中的 1.45-2.1 μm 宽带发光

IF 3.3 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2024-10-05 DOI:10.1016/j.jlumin.2024.120929

Hüseyin Can Çamiçi, V.A.G. Rivera, Théo Guérineau, Sophie LaRochelle, Younès Messaddeq

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引用次数: 0

摘要

制备了新型掺杂 Er3+、Er3+/Yb3+ 和 Er3+/Tm3+ 共掺杂以及 Er3+/Tm3+/Yb3+ 三掺杂铋锗玻璃的光学特性。通过差示扫描量热法进行的热特性分析表明，这种玻璃适用于光纤拉丝。在 980 纳米和 1480 纳米激光二极管的激发下，三掺杂样品呈现出从 1450 纳米到 2100 纳米的宽带发光光谱。研究发现，从供体（Yb3+、Er3+）到受体（Er3+、Tm3+）离子的能量转移机制是产生具有宽带宽的强烈发光的原因。据观察，Tm3+ 的加入有助于拓宽发光光谱，而 Yb3+ 的加入则增强了发射强度。这项研究为 L + U 波段及更宽波段（最高可达 2100 nm）的信号放大提供了独到的见解。

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Broadband 1.45–2.1 μm luminescence in Er3+/Tm3+/Yb3+ tri-doped bismuth-germanate glasses

Optical properties of novel Er³⁺-doped, Er³⁺/Yb³⁺ and Er³⁺/Tm³⁺ co-doped and Er³⁺/Tm³⁺/Yb³⁺ tri-doped bismuth-germanate glasses were fabricated. Thermal characterization by differential scanning calorimetry showed the suitability of the glass for fiber drawing. Tri-doped sample presented a broadband luminescence spectrum ranging from 1450 to 2100 nm when it was excited by 980 and 1480 nm laser diodes. Energy transfer mechanisms from the donor (Yb³⁺, Er³⁺) to acceptor (Er³⁺, Tm³⁺) ions were found out to be the cause of the intense luminescence with broad bandwidth which can be tailored through doping content and concentration. It was observed that the Tm³⁺ addition helps broadening the luminescence spectrum, while the Yb³⁺ incorporation enhances the emission intensity. This study provides insightful contributions to the possibility of signal amplification in L + U-bands and beyond, up to 2100 nm.

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来源期刊

Journal of Luminescence 物理-光学

CiteScore

6.70

自引率

13.90%

发文量

850

审稿时长

3.8 months

期刊介绍： The purpose of the Journal of Luminescence is to provide a means of communication between scientists in different disciplines who share a common interest in the electronic excited states of molecular, ionic and covalent systems, whether crystalline, amorphous, or liquid. We invite original papers and reviews on such subjects as: exciton and polariton dynamics, dynamics of localized excited states, energy and charge transport in ordered and disordered systems, radiative and non-radiative recombination, relaxation processes, vibronic interactions in electronic excited states, photochemistry in condensed systems, excited state resonance, double resonance, spin dynamics, selective excitation spectroscopy, hole burning, coherent processes in excited states, (e.g. coherent optical transients, photon echoes, transient gratings), multiphoton processes, optical bistability, photochromism, and new techniques for the study of excited states. This list is not intended to be exhaustive. Papers in the traditional areas of optical spectroscopy (absorption, MCD, luminescence, Raman scattering) are welcome. Papers on applications (phosphors, scintillators, electro- and cathodo-luminescence, radiography, bioimaging, solar energy, energy conversion, etc.) are also welcome if they present results of scientific, rather than only technological interest. However, papers containing purely theoretical results, not related to phenomena in the excited states, as well as papers using luminescence spectroscopy to perform routine analytical chemistry or biochemistry procedures, are outside the scope of the journal. Some exceptions will be possible at the discretion of the editors.