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Article
The bulk crystal growth and yellow–orange spectral performances of Pr3+: BaF2 and Pr3+/RE3+(RE3+ = Gd3+, Y3+, Lu3+, Ce3+): BaF2 crystals
In this study, we synthesized Pr3+:BaF2 and Pr3+/RE3+ (RE = Gd, Y, Lu, Ce) co-doped BaF2 crystals, exploring their novel spectral properties through co-do** with Gd, Y, Lu, and Ce ions. The research demonstrate...
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Article
Open AccessHow does the environmental attention of local governments affect regional green development? Empirical evidence from local governments in China
Due to the continuous progress of constructing sustainable environments in China, the role played by the Chinese central government as the main body for promoting green development is worth studying. Because C...
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Article
Growth, structure, and optical properties of disordered Tm3+: CaYAlO4 crystal for 1.8 μm laser
A Tm3+: CaYAlO4 single crystal with disordered structure was prepared using mature Czochralski method. The influence of Tm3+ do** on the structure was studied through PXRD measurement and first-principles calcu...
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Article
Open AccessStructure and spectral properties of Dy3+ doped CaYAlO4 single crystal
A 2 at.% Dy3+: CaYAlO4 single crystal was grown successfully. The electronic structures of Ca2+/Y3+ mixed sites in CaYAlO4 were investigated using first-principles based on density functional theory. The effects ...
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Article
Optimizing yellow fluorescence in Dy3+:SrF2 crystal through Gd3+ co-do**
A high-quality Dy3+/Gd3+: SrF2 single crystal has been grown successfully by the Bridgman method. The spectroscopic properties of the crystal have been analyzed in detail following the absorption, emission, and d...
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Article
Achieving carbon neutrality: the effect of China pilot Free Trade Zone policy on green technology innovation
Evaluating the effect of China pilot Free Trade Zone (FTZ) policy on green technology innovation is important for achieving China’s carbon neutrality targets. Based on the panel data of 30 provincial administr...
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Article
Open AccessEvaluation of spectroscopic properties of Er3+/Yb3+/Pr3+: SrGdGa3O7 crystal for use in mid-infrared lasers
Er3+/Yb3+/Pr3+: SrGdGa3O7 crystal was firstly grown by Czochralski method. Detailed spectroscopic analyses of Er3+/Yb3+/Pr3+: SrGdGa3O7 were carried out. Besides better absorption characteristic, the spectra of E...
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Article
Spectroscopic analysis of Pr3+:CaYAlO4 crystal
The polarized absorption, emission spectra and decay time measurements of Pr3+-doped CaYAlO4 single crystal have been performed at room temperature. Based on the Judd–Ofelt theory, the spectroscopic parameters ...
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Chapter
The Recent Development of Borate SF-Conversion Laser Crystal
As a laser host, Borates possess favorable chemical and physical characteristics as well as higher damnification threshold. Especially, Borates usually have higher nonlinear optical efficiency resulted from it...
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Chapter
The Recent Development of SRS and SRS SF-Conversion Laser Crystal
Although tungstates posses lower coefficient of thermal conductivity, tungstates doped with active ions have higher quanta efficiency of fluorescence owing to their higher do** concentration of active ions r...
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Article
Dual-polarization and dual-wavelength diode-pumped laser operation from a birefringent Yb3+-doped GdAl3(BO3)4 nonlinear crystal
From two positions of the concave output mirror of the laser cavity, diode-pumped ordinary or extraordinary polarization lasing of an Yb3+-doped GdAl3(BO3)4 nonlinear birefringent crystal is obtained. Translating...
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Article
Study of Crystal Yb3+:Ca3Y2(BO3)4
Yb3+-doped single-crystal Ca3Y2(BO3)4 with dimension φ20 × 55 mm was grown by the Czochralski method. The structure of it was determined by x-ray diffraction. It belongs to the orthorhombic system, space group Pn...
