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A kind of highly erbium-doped mid-infrared germanate tellurite glass and its preparation method

A tellurium-germanate and infrared technology, applied in glass manufacturing equipment, glass forming, manufacturing tools, etc., can solve problems such as differential thermal stability, and achieve the effects of improved luminous intensity, low production cost, and simple production process

Active Publication Date: 2019-11-26
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with previous glass matrix materials, this material overcomes tellurate glass (poor thermal stability), germanate glass (higher melting temperature), tellurgeranate glass (refractive index reduction) Inherent shortcomings, on the basis of improving the thermal stability and mechanical strength of the glass, high doping of rare earth ions can be achieved, and strong 2μm and 3μm fluorescence can be obtained at the same time under the pumping of a laser diode with a wavelength of 980nm, which is 2-3μm Infrared band lasers offer a suitable host material

Method used

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  • A kind of highly erbium-doped mid-infrared germanate tellurite glass and its preparation method
  • A kind of highly erbium-doped mid-infrared germanate tellurite glass and its preparation method

Examples

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Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: a kind of tellurite glass;

[0023] A kind of tellurate glass, raw material composition is as shown in 1# in table 1;

[0024] According to the mass percent of 1# glass composition in Table 1, calculate the corresponding weight of each composition, and take by weighing each raw material component;

[0025] Grind the raw materials evenly to form a mixture, put it into a gold crucible, and place it in a silicon carbide rod electric furnace at 980 ° C for 30 minutes to obtain molten glass. During the glass melting process, high-purity oxygen is always introduced into the atmosphere Protected to remove moisture from the molten glass. The glass liquid from which moisture has been removed is homogenized and clarified, and then quickly poured onto a mold preheated to 370°C, and then placed in a muffle furnace heated to 370°C, which has been heated to the glass liquid, and kept for 3 hours, then Cool down to 110°C at a rate of 11°C / hour, then close the muffle fu...

Embodiment 2

[0030] Embodiment 2: a kind of germanate tellurite glass;

[0031] A kind of germanate tellurite glass, the composition of raw materials is as shown in 2# in Table 1;

[0032] According to the mass percentage that 2# glass forms among the table 1, calculate the corresponding weight of each composition, and take each raw material component;

[0033] Grind the raw materials evenly to form a mixture, put it into a gold crucible, and place it in a silicon carbide rod electric furnace at 900 ° C for 30 minutes to obtain molten glass. During the glass melting process, high-purity oxygen is always introduced into the atmosphere Protected to remove moisture from the molten glass. The dehydrated glass liquid is homogenized and clarified, then quickly poured onto the mold that has been preheated to 450°C, and then put into the muffle furnace that has been heated to 460°C. The temperature was lowered to 110° C., then the muffle furnace was closed, and the temperature was lowered to roo...

Embodiment 3

[0038] Embodiment 3: a kind of erbium-doped tellurium germanate glass;

[0039] A kind of erbium doped tellurium germanate glass, raw material composition is as shown in 3# in table 1;

[0040] According to the mass percent that 3# glass forms among the table 1, calculate the corresponding weight of each composition, and take each raw material component;

[0041] Grind the raw materials evenly to form a mixture, put it into a gold crucible, and place it in a silicon carbide rod electric furnace at 900 ° C for 30 minutes to obtain molten glass. During the glass melting process, high-purity oxygen is always introduced into the atmosphere Protected to remove moisture from the molten glass. The dehydrated glass liquid is homogenized and clarified, then quickly poured onto the mold that has been preheated to 460°C, and then put into the muffle furnace that has been heated to 460°C. The temperature was lowered to 110° C., then the muffle furnace was closed, and the temperature was...

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Abstract

The invention discloses high-doped erbium intermediate infrared tellurium germinate glass. The high-doped erbium intermediate infrared tellurium germinate glass comprises the components of TeO2, GeO2,ZnCl2, BaO, a denitration catalyst waste, Na2O, and Er2O3. According to the glass prepared through a melting method, the intermediate infrared light intensity is high, the doping concentration of rare earth is high, the glass is excellent in thermal stability, and is quite promising high-optical quality glass; the wasted denitration catalyst waste is used to strengthen the hardness of the glass and improve the thermal stability of the glass, the preparation method is simple and convenient, the preparation period is short, and the glass is expected to be applied to national defence industry aswell as military and civil fields.

Description

technical field [0001] The invention relates to a highly erbium-doped mid-infrared germanate tellurite glass and a preparation method thereof. Background technique [0002] Rare earth-doped laser glasses and optical fibers in the 2-3μm mid-infrared band will have broad application prospects in the fields of national security and national defense construction, astrophysics detection and spectroscopy research. At present, only 3 μm laser output is obtained in fluoride glass, but due to its inherent defects, fluoride glass has poor chemical stability and mechanical strength, harsh preparation conditions, easy to be eroded by water, and poor crystallization resistance (ΔT≤85 ℃) and so on limit the increase of its laser power. Erbium ion is an important rare earth ion that can obtain laser light at 3 μm, and its luminescence at 2 μm is rarely reported. The phonon energy of tellurite glass is low (700~750cm -1 ), which is conducive to improving the probability of rare earth rad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C3/253C03C6/06C03C4/12C03C1/02C03B19/02
Inventor 田颖井绪峰高新宇黄飞飞雷若姗徐时清张军杰
Owner CHINA JILIANG UNIV
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