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Device and method for deoxidizing and purifying infrared arsenic sulfide glass

A technology of infrared vulcanization and arsenic sulfide, which is applied in the field of optical materials, can solve the problems of easily introducing oxygen scavengers and impurities, and achieve the effect of avoiding direct contact reaction

Active Publication Date: 2022-07-19
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Abstract
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  • Claims
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Problems solved by technology

[0006] In order to solve the difficult problem of removing oxygen impurities in sulfide glass, the present invention provides a set of oxygen removal and purification device for infrared arsenic sulfide glass. The technical problem of easy introduction of oxygen scavenger impurities when impurity

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  • Device and method for deoxidizing and purifying infrared arsenic sulfide glass
  • Device and method for deoxidizing and purifying infrared arsenic sulfide glass

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Embodiment Construction

[0027] In order to make the purpose, advantages and features of the present invention clearer, the following further detailed description will be given to the device and method for deoxidizing and purifying infrared arsenic sulfide glass proposed by the present invention with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that: the accompanying drawings are all in a very simplified form and use inaccurate scales, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention; secondly, the structures shown in the accompanying drawings are often actual structures. part; again, each drawing needs to show a different focus and sometimes a different scale.

[0028] The invention provides a specific structure of a deoxidizing and purifying device for infrared arsenic sulfide glas...

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Abstract

The invention provides a device and method for deoxidizing and purifying infrared arsenic sulfide glass. The device includes a raw material filling pipe, a primary melting tank, an aluminum filling pipe, a purification tank, a forming pipe and a connecting pipe; the preliminary melting tank, the purification tank and the forming pipe are arranged side by side, and the three are communicated with each other through the connecting pipe, thereby forming a M-type structure; the primary melting tank is provided with a raw material filling pipe connected with it; the purification tank is provided with an aluminum filling pipe connected with it. In the present invention, the solid aluminum reacts with the arsenic sulfide glass melt in the form of solid-liquid. On the one hand, aluminum can react with the oxygen impurities in the glass melt, and the oxygen impurities are removed by the subsequent distillation process; On the one hand, in order to avoid the direct contact reaction between the aluminum element and the sulfur element, the present invention utilizes the primary melting tank to realize the preparation of the arsenic sulfide glass melt, and utilizes the purification tank to carry out the oxygen impurity reaction in the aluminum and the chalcogenide glass melt, which can prevent the Aluminum impurities are introduced into arsenic sulfide glass.

Description

technical field [0001] The invention belongs to the field of optical materials, in particular to a device and method for deoxidizing and purifying infrared arsenic sulfide glass. Background technique [0002] Chalcogenide glass has stable thermal properties, high third-order nonlinear coefficient, wide infrared transmission window, and is an excellent infrared optical material. Infrared optical fibers made of chalcogenide glass combine the soft and bendable characteristics of optical fibers, and have important applications in the fields of infrared signal transmission, image transmission and transformation, and mid-infrared fiber lasers. [0003] However, impurity absorption has become a key bottleneck restricting the infrared optical performance of chalcogenide glass fibers. The reason is that due to the existence of impurities such as carbon, hydrogen, and oxygen, chalcogenide glass produces a series of impurity absorption peaks in the mid-infrared band, affecting the The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B5/173C03B5/16C03C3/32
CPCC03B5/173C03B5/16C03C3/321
Inventor 许彦涛郭海涛肖旭升崔健张豪
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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