High erbium-doped lead-free fluoride (halide) tellurate laser glass, and preparation method and application thereof
A lead-fluorine-halogen tellurite, high-doping technology, applied in glass manufacturing equipment, manufacturing tools, etc., can solve the problems of poor chemical stability and mechanical strength, low glass transition temperature, low phonon energy, etc., and achieve production cost Low cost, simple preparation, safe and simple effect
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Embodiment 1
[0026] A highly erbium-doped lead-free fluorohalogen tellurite glass, made of the following components in terms of molar percentage: AlF 3 20%, BaF 2 20%, CaF 2 10%, ZnCl 2 10%, TeO 2 30%, YF 3 1%, LaF 3 6%, ErF 3 3%. Calculate the weight of the corresponding components according to the above formula, weigh the raw materials and mix them evenly; put the mixture in a platinum crucible and melt it in a silicon carbide rod electric furnace at 800°C for 20 minutes to obtain molten glass, During the production process, high-purity oxygen is always introduced to protect the atmosphere to remove the moisture in the molten glass. After being homogenized and clarified, the dehydrated glass liquid is quickly poured into a mold that has been preheated to 370°C, and then quickly placed in a muffle furnace that has been heated to 430°C and kept for 2 hours; The muffle furnace is lowered to 100° C., then the muffle furnace is closed, and the temperature is lowered to room temperatur...
Embodiment 2
[0030] A highly erbium-doped lead-free fluorohalogen tellurite glass, made of the following components in terms of molar percentage: AlF 3 35%, BaF 2 25%, CaF 2 10%, ZnCl 2 10%, TeO 2 15%, YF 3 2%, LaF 3 0%, ErF 3 3%. Calculate the weight of the corresponding components according to the above formula, weigh the raw materials and mix them evenly; put the mixture into a platinum crucible and melt it in a silicon carbide rod electric furnace at 900°C for 25 minutes to obtain molten glass, During the production process, high-purity oxygen is always introduced to protect the atmosphere to remove the moisture in the molten glass. After the dehydrated glass liquid is homogenized and clarified, it is quickly poured into a mold that has been preheated to 375°C, and then quickly placed in a muffle furnace that has been heated to 445°C, and kept warm for 3 hours, and then heated at a temperature of 10°C / hour. The rate was lowered to 90° C., and then the muffle furnace was closed,...
Embodiment 3
[0033] A highly erbium-doped lead-free fluorohalogen tellurite glass, made of the following components in terms of molar percentage: AlF 3 21%, BaF 2 35%, CaF 2 11%, ZnCl 2 5%, ZnI 2 6%, TeO 2 16%, YF 3 2%, LaF 3 1%, ErF 33%. Calculate the weight of the corresponding components according to the above formula, weigh the raw materials and mix them uniformly; put the mixture into a platinum crucible and melt it in a silicon carbide rod electric furnace at 1000°C for 30 minutes to obtain molten glass, which is then melted in the glass melting During the production process, high-purity oxygen is always introduced to protect the atmosphere to remove the moisture in the molten glass. After being homogenized and clarified, the water-removed glass liquid is quickly poured into a mold that has been preheated to 390°C, and then quickly placed in a muffle furnace that has been heated to 455°C, kept for 3 hours, and then heated at a temperature of 9°C / hour. The rate is lowered to ...
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