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A kind of mid-wave infrared glass and its preparation process

A technology of infrared glass and preparation process, applied in glass manufacturing equipment, glass furnace equipment, manufacturing tools, etc., can solve the problems of complex material processing, small range, poor stability, etc., achieve good chemical stability, low production cost, and use The effect of high temperature

Active Publication Date: 2021-10-01
NANTONG RUISEN OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional infrared glass transmits a wavelength range of 780-2500nm, the range is small, the material processing is complicated, and the stability is poor

Method used

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  • A kind of mid-wave infrared glass and its preparation process
  • A kind of mid-wave infrared glass and its preparation process

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A medium-wave infrared glass, characterized in that it consists of the following components by mass percentage:

[0037] B 2 o 3 6-10%; GeO 70-81%, Bi 2 o 3 2~6%, La 2 o 3 2~4%, BaO 2~5%, Sb 2 o 3 0.5-4%.

[0038] In some embodiments, it consists of the following components by mass percentage:

[0039] B 2 o 3 8%; GeO 81%, Bi 2 o 3 4%, La 2 o 3 3%, BaO 3%, Sb 2 o 3 3%.

[0040] A preparation process for mid-wave infrared glass, comprising the steps of:

[0041] (1) Ingredients melting stage: Stir the materials of the above components according to the ratio and evenly pour them into the crucible and continue to heat at 1380°C±10°C for 6-10 hours. 8 feedings are completed;

[0042] (2) Clarification stage: Control the temperature in the crucible at 1410°C±10°C and keep it warm for 6-8 hours. During this process, stirring and defoaming should be carried out, and the stirring is divided into four times. The specific stirring speed is 60 rpm, 30 rp...

Embodiment 2

[0053] A medium-wave infrared glass, characterized in that it consists of the following components by mass percentage:

[0054] B 2 o 3 6-10%; GeO 70-81%, Bi 2 o 3 2~6%, La 2 o 3 2~4%, BaO 2~5%, Sb 2 o 3 0.5-4%.

[0055] In some embodiments, it consists of the following components by mass percentage:

[0056] B 2 o 3 8%; GeO 81%, Bi 2 o 3 4%, La 2 o 3 3%, BaO 3%, Sb 2 o 3 3%.

[0057] A preparation process for mid-wave infrared glass, comprising the steps of:

[0058] (1) Ingredients melting stage: Stir the materials of the above components according to the ratio and evenly pour them into the crucible and continue to heat at 1380°C±10°C for 6-10 hours. 8 feedings are completed;

[0059] (2) Clarification stage: Control the temperature in the crucible at 1410°C±10°C and keep it warm for 6-8 hours. During this process, stirring and defoaming should be carried out, and the stirring is divided into four times. The specific stirring speed is 60 rpm, 30 rp...

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Abstract

The application provides a mid-wave infrared glass, which belongs to the field of inorganic materials. It is characterized in that it consists of the following components according to mass percentage: B 2 o 3 6~10%; GeO70~81%, Bi 2 o 3 2~6%, La 2 o 3 2~4%, BaO2~5%, Sb 2 o 3 0.5-4%. The mid-wave infrared glass provided by this application can make the transmission wavelength range of the glass wider. The mid-infrared transmission wavelength is stable from 0.4-6 μm. Transmission performance, but the material processing technology and the processing and cost of later optical products are far lower than sapphire. It is an excellent multi-spectral transmission infrared material with low production cost, good chemical stability, high temperature and high hardness. It is an ideal material for making large-size special-shaped infrared windows, fairings and infrared night vision lenses.

Description

technical field [0001] The present application belongs to the field of inorganic materials, and in particular relates to a mid-wave infrared glass. Background technique [0002] Infrared glass refers to optical glass that can transmit electromagnetic radiation in the infrared band, and can be widely used as windows and lenses in infrared detection and infrared imaging technologies. [0003] The traditional infrared glass transmits a wavelength range of 780-2500nm, the range is small, the material processing is complicated, and the stability is poor. Contents of the invention [0004] (1) Technical problems to be solved [0005] In view of the above technical problems, this application provides a kind of mid-wave infrared glass, which can make the glass transmit a wider range of wavelengths. The mid-wave infrared glass provided by this application has high stability, high transmittance, and strong weather resistance. The processing is convenient and reliable. [0006] (2...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C4/10C03C3/253C03B5/16C03B25/02
CPCC03B5/16C03B25/02C03C3/253C03C4/10
Inventor 王森林杨阳
Owner NANTONG RUISEN OPTICAL CO LTD
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