A kind of germanosilicate glass and preparation method thereof

A germanosilicate and glass technology, applied in glass manufacturing equipment, glass molding, manufacturing tools, etc., can solve the problems of low glass transition temperature, low water resistance and mechanical strength, and achieve reduced hydroxyl absorption coefficient, low hydroxyl coefficient, the effect of good infrared transmission performance

Active Publication Date: 2021-02-09
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, fluoride glass has the following disadvantages: low glass transition temperature, low water resistance and low mechanical strength
But the currently studied SiO 2 -GeO 2 -BaO-Ga 2 o 3 The system has a large hydroxyl absorption peak at 2.9 μm

Method used

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  • A kind of germanosilicate glass and preparation method thereof
  • A kind of germanosilicate glass and preparation method thereof
  • A kind of germanosilicate glass and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The germanosilicate glass of this embodiment includes 8 cases, and the molar percentages of the compositions are shown in Table 1 as 1#, 2#, 3#, 4#, 5#, 6#, 7#, and 8#.

[0022] Table 1: Glass formulations for 8 specific cases.

[0023]

[0024] The germanosilicate glass shown as 1#, 2#, 3#, 4#, 5#, 6#, 7#, 8# in Table 1, the preparation process is as follows: according to 1#, 2# in Table 1, 3#, 4#, 5#, 6#, 7#, the molar percentage of 8# glass composition, calculate the corresponding weight of each composition, weigh each raw material and mix evenly; Melt in a silicon carbide rod electric furnace at ℃, clarify for 15 minutes after complete melting, and pour the molten glass into a preheated mold; quickly move the glass into a muffle furnace that has been heated to a specific annealing temperature, keep it warm for 4 hours, and then heat it for 10 The rate of °C / hour was lowered to room temperature, and the glass sample was taken out after complete cooling.

[0025]...

Embodiment 2

[0027] The germanosilicate glass of this embodiment includes 4 cases, and the molar percentages of the compositions are shown in Table 1 as 1#, 9#, 10#, and 11#.

[0028] Table 2: Glass formulations for 4 specific cases.

[0029]

[0030] As shown in Table 2 1#, 9#, 10#, 11#, the specific preparation process is as follows: according to the mole percentage of 1#, 9#, 10#, 11# glass composition in Table 2, Calculate the corresponding weight of each component, 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 1550 ° C, and clarify it for 15 minutes after complete melting, pour the molten glass into a preheated quickly move the glass into a muffle furnace that has been heated to a specific annealing temperature, keep it warm for 4 hours, then lower it to room temperature at a rate of 10°C / hour, and take out the glass sample after complete cooling.

[0031] The test results of the glass are ...

Embodiment 3

[0033] germanosilicate glass, on SiO 2 -GeO 2 -BaO-Ga 2 o 3 Add fluoride, halide and oxide to the glass system to form 12#: 30SiO 2 -35GeO 2 -10Ga 2 o 3 -5BaF 2 -5BaCl 2 -10 Lu 2 o 3 -5ZrF 4 ;

[0034] The preparation process is as follows: according to the molar percentage of the 12# glass composition, calculate the corresponding weight of each composition, weigh each raw material and mix them evenly; put the mixture into a platinum crucible and melt it in a carbon rod electric furnace at 1500°C. After clarifying for 15 minutes, pour the molten glass into a preheated mold; quickly move the glass into a muffle furnace that has been heated to a specific annealing temperature, keep it warm for 4 hours, and then lower it to room temperature at a rate of 10°C / hour. After cooling completely Remove the glass sample.

[0035] The test results of the glass are as follows: the annealed sample is processed into 10 × 20 × 1.0mm 3 The glass piece was polished and tested for ...

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Abstract

The present invention relates to the field of luminescent materials. A germanosilicate glass, in SiO 2 ‑GeO 2 ‑BaO‑Ga 2 O 3 One or more of fluoride, halide and oxide are added to the glass system. The germanosilicate glass has excellent stability, better infrared transmittance, and lower hydroxyl coefficient.

Description

technical field [0001] The invention relates to the field of luminescent materials, in particular to germanosilicate glass. [0002] technical background [0003] Compared with traditional multi-component quartz glass, heavy metal oxide glass (silicate germanate glass) has a wide light transmission range in the ultraviolet and mid-infrared bands, lower phonon energy and higher rare earth ion doping concentration. Compared with non-oxide glass (fluoride glass and chalcogenide glass), germanosilicate glass has better mechanical, physical and chemical properties and anti-devitrification properties. Due to these unique properties of silicon germanium glass, compared with traditional multi-component quartz or non-oxide glass, it has incomparable advantages of traditional materials in some fields. [0004] In recent years, 2-3μm laser materials have been highly valued at home and abroad. The 3μm band laser is located in the two transmission windows (1-3μm, 3-5μm) of the atmospher...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C3/062C03B19/02
CPCC03B19/02C03C3/062
Inventor 黄飞飞徐时清张军杰田颖华有杰雷若姗任广宇
Owner CHINA JILIANG UNIV
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