Abstract:B2O3-Al2O3-SiO2-Sm2O3-xCeO2 (x is 0-6%, molar fraction) glasses were prepared by solid-phase melting method with Sm3+/Ce3+ co-doping in boron-aluminosilicate glasses (composition 43B2O3-25Al2O3-32SiO2) with the help of X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), UV-Vis-NIR spectrophotometer (UV-VIS-NIR) and other characterization methods to study the structure and laser absorption properties of the glasses. The results show that all samples are glassy with uniform distribution of Sm3+ and Ce3+. The percentage of bridging oxygen in the glasses increases from 60.12% to 63.82% with the CeO2 molar fraction increasing from 0 to 2%, and decreases to 59.41% when the CeO2 molar fraction increases to 6%. The laser absorption performance of the glasses is best at 2%CeO2 molar fraction, with the diffuse absorption peak at 1 076 nm and the diffuse reflectance of 48.10%. The Sm3+/Ce3+ co-doped boron-aluminosilicate glass is a promising material for laser absorption at 1.06 μm wavelength.
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