Preparation technology for neodymium-doped quartz glass used for laser

A quartz glass and preparation process technology, applied in glass manufacturing equipment, glass molding, glass furnace equipment and other directions, can solve the problems of low spectral properties and low doping concentration, achieve good doping uniformity, improve work efficiency, The effect of shortening the preparation time

Inactive Publication Date: 2018-07-10
JIANGSU SHENGDA QUARTZ PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology allows for easy addition or replacement of different materials during manufacturing processes like optical fibers that use rare earth elements (Nd3+) without requiring expensive special facilities. By combining these techniques together, it provides improved performance compared to traditional methods while also reducing costs associated therewith.

Problems solved by technology

This patented technical problem addressed in these documents relates to achieving strong lightweight optical components such as lens made up of multiple layers of different types of semiconductors like yttrium aluminum garnets called GAlON: These are very expensive due to limited availability of raw materials used during production processes. To address this issue, there was developed a new type of lasers called Xe flash short pulse fiber amplification (XSFP). However, while being able to produce highly repeatable laser products without losing effectiveness over time, current methods require much more costly equipment compared to other alternatives, making it challenging to maintain stable operating conditions within the overall device's environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A preparation process of quartz glass for neodymium-doped lasers, comprising the following steps:

[0019] One), the preparation of sol

[0020] Using neodymium chloride hexahydrate, aluminum chloride hexahydrate, nano-titanium dioxide, yttrium chloride hexahydrate, silicon alkoxide, organic solvent and water as raw materials, the doping composition range is: Nd 3+ :0.8mol%, Al 3+ :2mol%, Ti 4+ : 1mol%, Y 3+ :0.2mol%, the balance is Si 4+ ; Mix silicon alkoxide, water and organic solvent according to the mass ratio of 1:5:10, then add neodymium chloride hexahydrate, aluminum chloride hexahydrate, nano-titanium dioxide, yttrium chloride hexahydrate, and stir evenly to adjust the pH to 7 to 8, then put it into a drum mixer, and stir for 2 to 5 hours to obtain a sol;

[0021] Two), titration spray

[0022] Put the sol into the titration sprayer, and spray the sol into the self-rotating quartz circular tube in the form of quantitative spraying. The temperature of the out

Embodiment 2

[0026] A preparation process of quartz glass for neodymium-doped lasers, comprising the following steps:

[0027] One), the preparation of sol

[0028] Using neodymium chloride hexahydrate, aluminum chloride hexahydrate, nano-titanium dioxide, yttrium chloride hexahydrate, silicon alkoxide, organic solvent and water as raw materials, the doping composition range is: Nd 3+ :1.2mol%, Al 3+ :6mol%, Ti 4+ : 3mol%, the balance is Si 4+ ; According to silicon alkoxide: water: the mass ratio of organic solvent is: 1:3.5:15; After mixing silicon alkoxide, water and organic solvent, add neodymium chloride hexahydrate, aluminum chloride hexahydrate, nano-titanium dioxide, Yttrium chloride hexahydrate, stir evenly to adjust the pH to 7-8, then put it into a drum mixer, stir for 2-5 hours to obtain a sol;

[0029] Two), titration spray

[0030] Put the sol into the titration sprayer, and spray the sol into the self-rotating quartz circular tube in the form of quantitative spraying. The

Embodiment 3

[0034] A preparation process of quartz glass for neodymium-doped lasers, comprising the following steps:

[0035] One), the preparation of sol

[0036] Using neodymium chloride hexahydrate, aluminum chloride hexahydrate, nano-titanium dioxide, yttrium chloride hexahydrate, silicon alkoxide, organic solvent and water as raw materials, the doping composition range is: Nd3+ :0.5mol%, Al 3+ :0.4mol%, Y 3+ :0.8mol%, the balance is Si 4+ ; Silicon alkoxide, water and organic solvent are mixed evenly according to the mass ratio of 1:8:2, then add neodymium chloride hexahydrate, aluminum chloride hexahydrate, nano-titanium dioxide, yttrium chloride hexahydrate, and stir to adjust the pH to 7 to 8, then put it into a drum mixer, and stir for 2 to 5 hours to obtain a sol;

[0037] Two), titration spray

[0038] Put the sol into the titration sprayer, and spray the sol into the self-rotating quartz circular tube in the form of quantitative spraying. The temperature of the outer surface

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PUM

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Abstract

The invention discloses a preparation technology for neodymium-doped quartz glass used for laser. According to the invention, a sol method and a titration spray method are combined, while a sol is prepared, hexahydrate neodymium chloride, hexahydrate aluminium chloride, nano titanium dioxide, hexahydrate yttrium chloride, silanol salt, an organic solvent and water are taken as raw materials, a doped component scope is characterized by comprising 0.5-1.2 mol% of Nd3+, 0.4-6 mol% of Al3+, 0-3 mol% of Ti4+, 0-0.8 mol% of Y3+, and the balance of Si4+, the doping time is short, the Nd3+ ion doped concentration in a quartz rod can reach as high as 0.8-3.5 wt%, and the doping uniformity can reach as high as 2*10-4 magnitude; an external diameter of the quartz rod can reach Phi 30*150 mm, a peak value emission cross section of the Nd3+ ion is greater than 1.5*10-20 cm<2>, the cost of a melting technology is low, the neodymium-doped quartz glass can substitute the current Nd3+ doped phosphate glass and YAG crystal and used for laser impact reinforcement equipment and laser fusion energy generating.

Description

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Claims

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Application Information

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Owner JIANGSU SHENGDA QUARTZ PROD CO LTD
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