Laser glass doped with high concentration of mid-infrared fluoroindate and preparation method thereof

US11939261B1 · US · B1

Patent metadata
FieldValue
Publication numberUS-11939261-B1
Application numberUS-202318486327-A
CountryUS
Kind codeB1
Filing dateOct 13, 2023
Priority dateNov 28, 2022
Publication dateMar 26, 2024
Grant dateMar 26, 2024

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A laser glass doped with high concentration of mid-infrared fluoroindate and a preparation method thereof are provided in the present application, belonging to the technical field of luminescent glass. The laser glass doped with high concentration of mid-infrared fluoroindate includes the raw materials in parts by mole percentage: 27-38 parts of InF3, 13 parts of ZnF2, 10 parts of GdF3, 19 parts of BaF2, 5 parts of CaF2, 10 parts of SrF2, 5-15 parts of Al(PO3)3 and 1-11 parts of ErF3.

First claim

Opening claim text (preview).

What is claimed is: 1. A laser glass doped with high concentration of mid-infrared fluoroindate, comprising following raw materials in parts by mole percentage: 27-38 parts of InF 3 , 13 parts of ZnF 2 , 10 parts of GdF 3 , 19 parts of BaF 2 , 5 parts of CaF 2 , 10 parts of SrF 2 , 5-15 parts of Al(PO 3 ) 3 and 1-11 parts of ErF 3 . 2. The laser glass doped with high concentration of mid-infrared fluoroindate according to claim 1 , wherein following raw materials are comprised in parts by mole percentage: 27 parts of InF 3 , 13 parts of ZnF 2 , 10 parts of GdF 3 , 19 parts of BaF 2 , 5 parts of CaF 2 , 10 parts of SrF 2 , 5 parts of Al(PO 3 ) 3 and 11 parts of ErF 3 . 3. A preparation method of the laser glass doped with high concentration of mid-infrared fluoroindate according to claim 1 , comprising following steps: weighing raw materials by mass, grinding the raw materials uniformly to obtain a mixture, melting until homogenization and clarification to obtain a glass liquid; pouring the glass liquid into a mould preheated to a fixed temperature, followed by annealing treatment to a room temperature, then obtaining the laser glass doped with high concentration of mid-infrared fluoroindate. 4. A preparation method of the laser glass doped with high concentration of mid-infrared fluoroindate according to claim 2 , comprising following steps: weighing raw materials by mass, grinding the raw materials uniformly to obtain a mixture, melting until homogenization and clarification to obtain a glass liquid; pouring the glass liquid into a mould preheated to a fixed temperature, followed by annealing treatment to a room temperature, then obtaining the laser glass doped with high concentration of mid-infrared fluoroindate. 5. The preparation method of the laser glass doped with high concentration of mid-infrared fluoroindate according to claim 3 , wherein conditions for the melting comprise: melting at 900-1000 degrees Celsius for 20-30 minutes in an air environment with a constant temperature and humidity. 6. The preparation method of the laser glass doped with high concentration of mid-infrared fluoroindate according to claim 3 , wherein conditions of the annealing comprise: holding at 230 degrees Celsius-280 degrees Celsius for 2-3 hours. 7. The preparation method of the laser glass doped with high concentration of mid-infrared fluoroindate according to claim 4 , wherein conditions for the melting comprise: melting at 900-1000 degrees Celsius for 20-30 minutes in an air environment with a constant temperature and humidity. 8. The preparation method of the laser glass doped with high concentration of mid-infrared fluoroindate according to claim 4 , wherein conditions of the annealing comprise: holding at 230 degrees Celsius-280 degrees Celsius for 2-3 hours.

Assignees

Inventors

Classifications

  • C03C3/325Primary

    Fluoride glasses · CPC title

  • C03C3/247Primary

    containing fluorine and phosphorus · CPC title

  • Melting processes · CPC title

  • Improving the yield, e-g- reduction of reject rates · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US11939261B1 cover?
A laser glass doped with high concentration of mid-infrared fluoroindate and a preparation method thereof are provided in the present application, belonging to the technical field of luminescent glass. The laser glass doped with high concentration of mid-infrared fluoroindate includes the raw materials in parts by mole percentage: 27-38 parts of InF3, 13 parts of ZnF2, 10 parts of GdF3, 19 part…
Who is the assignee on this patent?
Univ Jiliang China
What technology area does this patent fall under?
Primary CPC classification C03C3/325. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Mar 26 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (B1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).