Intense O + E + S-band emission from Pr3+-doped ZnF2-based glasses

IF 2.8 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Optical Materials Express Pub Date : 2024-01-22 DOI:10.1364/ome.514278

Jinming Yan, Zhixu Jia, Junjie Wang, Chuanze Zhang, Fangning Wang, Yuting Mei, Fanchao Meng, Yasutake Ohishi, Daming Zhang, Weiping Qin, Fei Wang, and Guanshi Qin

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Abstract

Pr³⁺-doped ZnF₂-based glasses were prepared by using a melt-quenching method in dry N₂ atmosphere. Under the excitation of a 588 nm light emitting diode (LED), ultrabroadband emissions ranging from 1245 to 1640 nm were obtained from the Pr³⁺-doped ZnF₂-based glasses, which originate from the transitions ¹D₂→¹G₄ (producing E + S-band emission) and ¹G₄→³H₅ (producing O-band emission) of Pr³⁺. The shape of the emission spectra could be tailored by varying the concentration of Pr³⁺. Emission spectra with the maximum full width at half maximum (FWHM) of 215 nm (1289 nm-1504 nm, covering the O + E + S-band) was obtained in the ZnF₂-based glass at a doping concentration of 5000 ppm. The effects of the phonon energy of the matrix on O + E + S-band emission were also investigated. Our results showed that Pr³⁺-doped ZnF₂-based glasses with low phonon energy might be used for constructing O + E + S-band lasers and optical amplifiers.

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掺杂 Pr3+ 的 ZnF2 基玻璃的强烈 O + E + S 波段发射

在干燥的氮气环境中采用熔淬法制备了掺杂 Pr3+ 的 ZnF2 基玻璃。在 588 nm 发光二极管（LED）的激发下，掺杂了 Pr3+ 的 ZnF2 基玻璃产生了 1245 至 1640 nm 的超宽带发射，这些发射源于 Pr3+ 的 1D2→1G4 转变（产生 E + S 波段发射）和 1G4→3H5 转变（产生 O 波段发射）。可以通过改变 Pr3+ 的浓度来调整发射光谱的形状。在掺杂浓度为 5000 ppm 的 ZnF2 基玻璃中，获得了最大半宽度（FWHM）为 215 nm（1289 nm-1504 nm，覆盖 O + E + S 波段）的发射光谱。我们还研究了基质声子能量对 O + E + S 波段发射的影响。我们的研究结果表明，低声子能的掺杂 Pr3+ ZnF2 基玻璃可用于构建 O + E + S 波段激光器和光放大器。

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来源期刊

Optical Materials Express MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS

CiteScore

5.50

自引率

3.60%

发文量

377

审稿时长

1.5 months

期刊介绍： The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optical Materials Express (OMEx), OSA''s open-access, rapid-review journal, primarily emphasizes advances in both conventional and novel optical materials, their properties, theory and modeling, synthesis and fabrication approaches for optics and photonics; how such materials contribute to novel optical behavior; and how they enable new or improved optical devices. The journal covers a full range of topics, including, but not limited to: Artificially engineered optical structures Biomaterials Optical detector materials Optical storage media Materials for integrated optics Nonlinear optical materials Laser materials Metamaterials Nanomaterials Organics and polymers Soft materials IR materials Materials for fiber optics Hybrid technologies Materials for quantum photonics Optical Materials Express considers original research articles, feature issue contributions, invited reviews, and comments on published articles. The Journal also publishes occasional short, timely opinion articles from experts and thought-leaders in the field on current or emerging topic areas that are generating significant interest.