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Erbium and terbium co-doped fluoride halide phosphate laser glass as well as preparation method and application thereof

A fluorohalophosphate and laser glass technology, applied in the field of fluorohalophosphate laser glass and its preparation, can solve problems such as differential thermal stability, and achieve the effects of low production cost, improved anti-devitrification ability, and simple production process

Active Publication Date: 2014-12-17
合肥天奕激光医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the above-mentioned technical shortcomings, and provide a kind of erbium and terbium co-doped fluorine halophosphate laser glass and its preparation method. Poor thermal stability) and inherent shortcomings of phosphate glass (higher phonon energy), on the basis of improving the thermal stability of the glass, co-doped with erbium and terbium, can be obtained under laser diode pumping at a wavelength of 980nm Strong 3μm fluorescence, providing a suitable host material for 3μm band lasers

Method used

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  • Erbium and terbium co-doped fluoride halide phosphate laser glass as well as preparation method and application thereof
  • Erbium and terbium co-doped fluoride halide phosphate laser glass as well as preparation method and application thereof
  • Erbium and terbium co-doped fluoride halide phosphate laser glass as well as preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0038] According to the formula in Table 1, calculate the weight of the corresponding components, weigh each raw material and mix evenly; put the mixture into a platinum crucible and melt it in a silicon carbide rod electric furnace at 900°C for 20 minutes to obtain molten glass. During the glass melting process, high-purity oxygen is always passed through for atmosphere protection to remove 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 360°C, and then quickly placed in a muffle furnace that has been heated to 410°C and kept for 2 hours; Reduce the muffle furnace to 100°C, then close the muffle furnace, and cool down to room temperature to obtain the annealed erbium and terbium co-doped fluorohalophosphate laser glass.

[0039] The annealed erbium and terbium co-doped fluorohalophosphate laser glass was processed into a glass piece of 10×20×1 mm and polished, and its ...

Embodiment 2

[0042]According to the formula in Table 1, calculate the weight of the corresponding components, weigh each raw material and mix evenly; put the mixture into a platinum crucible and melt it in a silicon carbide rod electric furnace at 950°C for 15 minutes to obtain molten glass. During the glass melting process, high-purity oxygen is always passed through for atmosphere protection to remove 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 370°C, and then quickly placed in a muffle furnace that has been heated to 420°C. The rate is lowered to 100° C., then the muffle furnace is closed, and the temperature is lowered to room temperature to obtain an annealed erbium and terbium co-doped fluorohalophosphate laser glass.

[0043] Take the erbium and terbium co-doped fluorohalophosphate laser glass after the above annealing, grind it into a fine powder with an agate mortar, an...

Embodiment 3

[0049] According to the formula in Table 1, calculate the weight of the corresponding components, weigh each raw material and mix evenly; put the mixture into a platinum crucible and melt it in a silicon carbide rod electric furnace at 1000°C for 18 minutes to obtain molten glass. During the glass melting process, high-purity oxygen is always passed through for atmosphere protection to remove 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 370°C, and then quickly placed in a muffle furnace that has been heated to 425°C, and kept for 3 hours, and then heated at a temperature of 9°C / hour. The rate is lowered to 110° C., then the muffle furnace is closed, and the temperature is lowered to room temperature to obtain an annealed erbium and terbium co-doped fluorohalophosphate laser glass.

[0050] The annealed erbium and terbium co-doped fluorohalophosphate laser glass was proc...

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Abstract

The invention discloses erbium and terbium co-doped fluoride halide phosphate laser glass which comprises components in percentage by mole as follows: 15% to 20% of Ba(H2PO4)2, 15% to 20% of Mg(PO3)2, 5% to 10% of AlF3, 10% to 20% of BaF2, 15% to 30% of MgF2, 20% to 30% of NaX, 1% to 5% of ErF3 and 4% to 10% of TbF3, wherein X is a combination of any one or more of F, Cl, Br and I. The fluoride halide phosphate laser glass is transparent and free of crystallization, the infrared transmittance is high in an area nearby 3 mu m, physical and chemical properties are excellent, the laser glass can be applied in a 3 m fiber laser and can be hopefully applied to defense industry, military and civilian areas.

Description

technical field [0001] The invention relates to a fluorohalophosphate laser glass, a preparation method and application thereof. Background technique [0002] Rare earth-doped laser glasses and optical fibers in the 3μm band will have broad application prospects in the fields of national security and national defense construction, astrophysics detection and spectroscopy research. At present, the 3μm laser output is only obtained in fluoride glass, mainly due to the high doping concentration of rare earth ions and the high infrared transmittance in the 3μm band, but fluoride glass also has inherent defects, such as chemical stability and mechanical strength. Poor, harsh preparation conditions, easy to be eroded by moisture, poor devitrification resistance (ΔT≤85°C), etc. [0003] The introduction of phosphorus-containing components into the fluoride glass system improves the physical and chemical properties of the fluoride glass, but the phonon energy of the fluorophosphate ...

Claims

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Application Information

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IPC IPC(8): C03C3/247C03C13/04
CPCC03C3/247C03C13/048
Inventor 田颖徐时清张军杰邓德刚赵士龙
Owner 合肥天奕激光医疗器械有限公司
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