YB3+ dopped ion fluophosphate laser glass material containing high-valence cationic exide and its preparing method

A fluorophosphate, laser glass technology, applied in glass manufacturing equipment, manufacturing tools, glass molding, etc., can solve the problems of poor thermal-mechanical properties, difficult to large-scale industrial production, etc., and achieve the effect of good optical uniformity

Inactive Publication Date: 2007-08-29
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Now research more Yb-doped 3+ Ionic phosphate glass has poor thermal-mec...

Method used

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Experimental program
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Embodiment 1

[0013] Glass composition (mol%) is:

[0014] P 2 o 5 al 2 o 3 Nb 2 o 5 LiF NaF MgF 2 Yb 2 o 3

[0015] 44 7 4 10 10 24 1

[0016] Diammonium hydrogen phosphate, aluminum oxide, niobium pentoxide, lithium fluoride, sodium fluoride, magnesium fluoride, and ytterbium trioxide are used as raw materials, weighed according to the above components, mixed evenly, and then heated to 1350°C Heat it in an electric furnace for 1 hour, cool the molten glass rapidly in a mold to form a block-shaped basic glass, send it to an annealing furnace at 520°C for annealing, keep it warm for 1 hour, and then cool to room temperature to form a Yb-doped glass 3+ Laser glass materials for ionic fluorophosphate systems. Its coefficient of thermal expansion is 66.8×10 -7 ℃ -1 , the bending strength is 92.2MPa, the nonlinear refractive index n 2 1.15×10 -13 esu, stimulated emission cross section σ emi 0.915pm 2 , the fluorescence lifetime τ is 870μs, the gain coefficient σ emi τ ...

Embodiment 2

[0018] Glass composition (mol%) is:

[0019] P 2 o 5 al 2 o 3 Nb 2 o 5 LiF NaF CaF 2 Yb 2 o 3

[0020] 44 7 4 10 10 24 1

[0021] Diammonium hydrogen phosphate, aluminum oxide, niobium pentoxide, lithium fluoride, sodium fluoride, calcium fluoride, and ytterbium trioxide are used as raw materials, weighed according to the above components, mixed evenly, and then heated in an electric furnace at 1320°C Keep warm for 1 hour, quickly cool the molten glass in the mold to form a block-shaped basic glass, send it to an annealing furnace at 520°C for annealing, keep warm for 1 hour, and then cool to room temperature to form Yb-doped glass 3+ Laser glass materials for ionic fluorophosphate systems. Its coefficient of thermal expansion is 72.1×10 -7 ℃ -1 , the bending strength is 56.19MPa, the nonlinear refractive index n 2 is 1.17×10 -13 esu, stimulated emission cross section σ emi 0.947pm 2 , the fluorescence lifetime τ is 730μs, the gain coefficient σ emi τ...

Embodiment 3

[0023] Glass composition (mol%) is:

[0024] P 2 o 5 al 2 o 3 Nb 2 o 5 LiF CaF 2 MgF 2 Yb 2 o 3

[0025] 44 7 4 10 20 14 1

[0026] Diammonium hydrogen phosphate, aluminum oxide, niobium pentoxide, lithium fluoride, calcium fluoride, magnesium fluoride, and ytterbium trioxide are used as raw materials, weighed according to the above components, mixed evenly, and then heated in an electric furnace at 1300°C Keep warm for 1 hour, quickly cool the molten glass in the mold to form a block-shaped basic glass, send it to an annealing furnace at 520°C for annealing, keep warm for 1 hour, and then cool to room temperature to form Yb-doped glass 3+ Laser glass materials for ionic fluorophosphate systems. Its coefficient of thermal expansion is 63.7×10 -7 ℃ -1 , the bending strength is 46.9MPa, the nonlinear refractive index n 2 1.12×10 -13 esu, stimulated emission cross section σ emi at 1.065pm 2 , the fluorescence lifetime τ is 940μs, the gain coefficient σ...

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Abstract

The invention relates to an Yb3+ ion fluo phosphate laser glass doped and the manufacture method. The base glass material is P2O5-Al2O3-Nb2O5-MF-RF2, M is Li or Na, R is Mg or Ca, and emitting material is Yb203. The method includes the following steps: mixing raw material, putting into corundum crucible, melting for 1 hour at 1280-1350 degree centigrade, casting and molding, and annealing for 1 hour at 520 degree centigrade. The glass material would have good optical and heat-mechanical feature. Because of adding little Nb205 and fluoride, the glass has high stimulated emission section.

Description

technical field [0001] The invention relates to a Yb-doped compound containing high-valent cation oxides 3+ The invention discloses a method for manufacturing ion fluorophosphate laser glass materials, which belongs to the field of new optical glass materials. Background technique [0002] Oxide glass has the advantages of good light transmission, high uniformity, low cost, and easy preparation and molding, and is very suitable as a laser medium material doped with rare earth ions. Among them, neodymium-doped oxide glass is currently the most widely researched and developed laser glass, and neodymium-doped silicate, phosphate, borate, germanate, and fused silica glass have all achieved laser output, and neodymium-doped Silicate and phosphate glasses have become practical laser glasses. However, there are many problems in Nd-doped laser glass, such as: the luminous wavelength cannot match the new laser diode, the fluorescence life is short, the gain coefficient is low, the ...

Claims

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Application Information

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IPC IPC(8): C03C3/247C03B5/235C03B19/02
CPCC03C4/0071C03C3/247
Inventor 卢安贤刘树江张小富肖卓豪李秀英王宇卢子祺
Owner CENT SOUTH UNIV
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