A kind of non-deliquescent high-purity sulfur halide glass and its purification preparation method

A technology of sulfur-halide glass and high-purity sulfur, applied in glass manufacturing equipment, glass molding, manufacturing tools, etc., can solve the problems of reducing the transmittance of sulfur-halide glass, increasing the light background scattering loss, etc., to achieve uniform optical quality, Good infrared transmittance

Active Publication Date: 2021-07-27
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, impurity carbon in the initial raw material, metal impurities, SiO in the quartz tube 2 Particles increase the background scattering loss of light, thereby reducing the transmission of the sulfur halide glass
Finally, sulfur halide glass generally contains volatile and sublimable halogen components, which are generally difficult to purify by traditional heating and gasification methods

Method used

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  • A kind of non-deliquescent high-purity sulfur halide glass and its purification preparation method
  • A kind of non-deliquescent high-purity sulfur halide glass and its purification preparation method
  • A kind of non-deliquescent high-purity sulfur halide glass and its purification preparation method

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Experimental program
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Effect test

Embodiment 1

[0028] The molar composition of the non-deliquescent high-purity sulfur halide glass of embodiment 1 is expressed as (Ge 10 As 22 Se 68 ) 90 I 10 , including the following steps:

[0029] 1) Weigh elemental germanium, elemental arsenic, and elemental selenium with a purity of not less than 99.9% according to the chemical formula, and mix them evenly to obtain a mixture; weigh magnesium strips as an oxygen scavenger, and the amount of the oxygen scavenger to be weighed is For 0.035wt% of the total amount of the mixture; 2) prepare a H-type double-tube quartz ampoule through dehydroxylation pretreatment, such as figure 1 As shown, the H-type double-tube quartz ampoule includes a glass raw material tube A and a purified glass tube B, the glass raw material tube A and the purified glass tube B communicate through a connecting tube C, and the upper ends of the glass raw material tube A and the purified glass tube B are opened respectively; The mixture obtained in step 1) and t...

Embodiment 2

[0031] The molar composition of the non-deliquescent high-purity sulfur halide glass of embodiment 2 is expressed as (Ge 10 As 22 Se 68 ) 88 I 12 , including the following steps:

[0032] 1) Weigh elemental germanium, elemental arsenic, and elemental selenium with a purity of not less than 99.9% according to the chemical formula, and mix them evenly to obtain a mixture; weigh magnesium strips as an oxygen scavenger, and the amount of the oxygen scavenger to be weighed is For 0.035wt% of the total amount of the mixture; 2) prepare a H-type double-tube quartz ampoule through dehydroxylation pretreatment, such as figure 1 As shown, the H-type double-tube quartz ampoule includes a glass raw material tube A and a purified glass tube B, the glass raw material tube A and the purified glass tube B communicate through a connecting tube C, and the upper ends of the glass raw material tube A and the purified glass tube B are opened respectively; The mixture obtained in step 1) and t...

Embodiment 3

[0034] The molar composition of the non-deliquescent high-purity sulfur halide glass of embodiment 3 is expressed as (Ge 33 As 12 Se 55 ) 85 I 15 , including the following steps:

[0035] 1) Weigh elemental germanium, elemental arsenic, and elemental selenium with a purity of not less than 99.9% according to the chemical formula, and mix them evenly to obtain a mixture; weigh magnesium strips as an oxygen scavenger, and the amount of the oxygen scavenger to be weighed is 0.065wt% for the total amount of the mixture; 2) prepare a H-type double-tube quartz ampoule through dehydroxylation pretreatment, such as figure 1 As shown, the H-type double-tube quartz ampoule includes a glass raw material tube A and a purified glass tube B, the glass raw material tube A and the purified glass tube B communicate through a connecting tube C, and the upper ends of the glass raw material tube A and the purified glass tube B are opened respectively; The mixture obtained in step 1) and the ...

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Abstract

The invention discloses a non-deliquescent high-purity sulfur-halogen glass and its purification and preparation method. The molar composition of the high-purity sulfur-halogen glass is represented by the chemical formula (Ge-As-Se) 100‑x I x , where x=0~40. The present invention adds I to the Ge-As-Se chalcogenide glass matrix, proposes a high-purity sulfur-halogen glass system with optimized components that is not easy to deliquesce, and proposes a system that can effectively separate impurities in the sulfur-halogen glass and reduce its Deliquescent purification preparation method. The purification and preparation method of the invention can effectively remove the main oxygen-containing compounds and hydroxyl-containing compounds (including water) in the sulfur halide glass, and improve the purity of the sulfur halide glass while obtaining the non-deliquescent sulfur halide glass. The high-purity sulfur-halogen glass has uniform optical quality and good infrared transmittance, and can prepare high-purity sulfur-halogen glass optical fibers which are not easy to deliquescence.

Description

technical field [0001] The invention belongs to the technical field of sulfur halide glass and its preparation, and in particular relates to a high-purity sulfur halide glass which is not easy to deliquescence and its purification and preparation method. Background technique [0002] Chalcohalide glass is a non-oxide glass based on chalcogen elements and halogens. Chalcohalide glasses combine the dual advantages of chalcogenide glasses and halides, such as extremely high nonlinearity, excellent resistance to devitrification, good thermal and chemical stability, and excellent infrared light transmission. Therefore, sulfur halide glass is an ideal infrared transmission material, and it is also a potential infrared laser, optical fiber amplifier, all-optical network switch and fast ion conductor matrix material. In addition, sulfur-halogen glass can also be used to prepare low-loss optical fibers. Low-loss optical fibers of sulfur-halogen glass are excellent nonlinear optical ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C3/32C03C4/10C03C1/02C03B19/00
CPCC03B19/00C03C1/022C03C3/323C03C4/10
Inventor 王训四肖晶刘佳焦凯梁晓林徐铁松司念钟明辉王弦歌王荣平聂秋华沈祥戴世勋徐铁峰
Owner NINGBO UNIV
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