CN112777940A - Fluorine indium acid salt glass with wide infrared transmission wave band and preparation method thereof - Google Patents

Fluorine indium acid salt glass with wide infrared transmission wave band and preparation method thereof Download PDF

Info

Publication number
CN112777940A
CN112777940A CN202110110692.5A CN202110110692A CN112777940A CN 112777940 A CN112777940 A CN 112777940A CN 202110110692 A CN202110110692 A CN 202110110692A CN 112777940 A CN112777940 A CN 112777940A
Authority
CN
China
Prior art keywords
glass
infrared transmission
wide infrared
fluoroindate
transmission band
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110110692.5A
Other languages
Chinese (zh)
Inventor
姜益光
张龙飞
张龙
袁新强
王在洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Institute of Optics and Fine Mechanics of CAS
Original Assignee
Shanghai Institute of Optics and Fine Mechanics of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Institute of Optics and Fine Mechanics of CAS filed Critical Shanghai Institute of Optics and Fine Mechanics of CAS
Priority to CN202110110692.5A priority Critical patent/CN112777940A/en
Publication of CN112777940A publication Critical patent/CN112777940A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00Fibre or filament compositions
    • C03C13/04Fibre optics, e.g. core and clad fibre compositions
    • C03C13/041Non-oxide glass compositions
    • C03C13/042Fluoride glass compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

The invention provides a fluorine indate glass with wide infrared transmission wave band and a preparation method thereof, belonging to the technical field of glass, wherein the glass comprises the following components in percentage by weight: InF3:25~35mol%、BaF2‑SrF2‑ZnF2:55~65mol%、GaF3‑LaF3:6~10mol%、ZrF42 to 5 mol%. The wide infrared transmission waveband fluoroindate glass has good glass forming performance, the thermal stability criterion delta T of the glass is more than or equal to 80 ℃, the middle infrared transmittance is high, the transmittance T of the transmission waveband is more than or equal to 90 percent (the sample thickness is 7mm) at 3.2-6 mu m, and the wide infrared transmission waveband, the transmission cut-off wavelength is 8.3 mu m (the sample thickness is 7mm, the cut-off transmittance is 50 percent), so the wide infrared transmission waveband is an ideal matrix material for a middle infrared optical fiber.

Description

Fluorine indium acid salt glass with wide infrared transmission wave band and preparation method thereof
Technical Field
The invention relates to the technical field of glass, in particular to fluoroindate glass with a wide infrared transmission waveband and a preparation method thereof.
Background
The fluoroindium silicate glass is InF3Conventional fluoride glasses, which are the main forming components, have been reported since 1980In the past, the wide attention of the scientific field is gained. The glass has a wider transmission waveband (5 mu m) than the zirconium fluoride glass, can break through the limitation of 4 mu m cutoff of optical fiber transmission of the zirconium fluoride glass, can meet the application requirement of a future longer waveband, and has lower phonon energy (509 cm)-1) The material provides a lower phonon energy environment for rare earth ions, and is a core candidate material of a new generation of intermediate infrared transmission media and lasers.
However, the fluoroindium silicate glass has poor glass forming performance and is easy to crystallize, so that severe preparation conditions are required, and large-size fluoroindium glass with uniform performance is not easy to obtain in air, which limits the practical application range thereof.
Therefore, improvement of the glass forming properties of the fluoroindate glass is a critical issue, which needs to be started from the composition optimization of the fluoroindate glass, and a stable fluoroindate glass composition is the basis for the preparation of high quality fluoroindium glass. The component of the fluorine indium glass base is InF3-BaF2-SrF2-ZnF2On the basis of which the composition adjustment is carried out. Currently, there is no fixed and stable fluoroindate glass component system.
Disclosure of Invention
The invention mainly solves the technical problems of easy crystallization, easy volatilization and difficult uniform preparation under the air condition of the existing fluoroindate glass, and provides fluoroindate glass with wide infrared transmission band and good glass forming performance.
The technical scheme of the invention is realized as follows:
the invention provides a fluorine indate glass with wide infrared transmission wave band, which comprises the following components in percentage by weight: InF3:25~35mol%、BaF2-SrF2-ZnF2:55~65mol%、GaF3-LaF3:6~10mol%、ZrF4:2~5mol%。
As a further improvement of the invention, saidBaF2The content range is 18-20 mol%.
As a further improvement of the invention, the SrF2The content range is 20-25 mol%.
As a further development of the invention, the ZnF2The content range is 18-20 mol%.
As a further improvement of the invention, the GaF3The content range is 5-7 mol%.
As a further improvement of the invention, the LaF3The content range is 2-3 mol%.
As a further development of the invention, the superconductor transition temperature (T) of the glassc) Glass transition temperature (T)g)≥80℃。
The invention further provides a preparation method of the wide infrared transmission waveband fluorine indate glass, which is characterized by comprising the following steps:
(1) weighing the batch materials according to the proportion of each component, and fully mixing;
(2) under the protection of inert gas, putting the mixed batch into a platinum crucible, and melting for 1-1.5 h in a melting furnace at 850-900 ℃;
(3) pouring the molten glass onto a brass template preheated to 250-270 ℃, and cooling to obtain the blocky fluoroindium silicate glass.
As a further improvement of the invention, the inert gas is nitrogen.
As a further development of the invention, the temperature of the brass die plate is 260 ℃.
The invention has the following beneficial effects: the wide infrared transmission waveband fluoroindate glass has good glass forming performance, the thermal stability criterion delta T of the glass is more than or equal to 80 ℃, the middle infrared transmittance is high, the transmittance T of the transmission waveband is more than or equal to 90 percent (the sample thickness is 7mm) at 3.2-6 mu m, and the wide infrared transmission waveband, the transmission cut-off wavelength is 8.3 mu m (the sample thickness is 7mm, the cut-off transmittance is 50 percent), so the wide infrared transmission waveband is an ideal matrix material for a middle infrared optical fiber.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a graph of the differential thermal profile of a wide infrared transmission band fluoroindate glass prepared in example 3 of the present invention;
FIG. 2 is a graph showing the infrared transmittance of a wide infrared transmittance band fluoroindate glass prepared in example 3 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The glass compositions of 6 specific examples of the invention and 3 comparative examples are listed in table 1 below:
TABLE 1
Figure BDA0002918911200000041
The preparation method comprises the following steps:
(1) weighing the batch materials according to the proportion of each component, and fully mixing;
(2) under the protection of nitrogen gas, putting the mixed batch into a platinum crucible, and melting for 1.5h in a melting furnace at 870 ℃;
(3) and pouring the molten glass onto a brass template preheated to 260 ℃, and cooling to obtain the blocky fluoroindium silicate glass.
Test example 1
The performance of the fluoroindium silicate glasses prepared in examples 1 to 6 of the present invention and comparative examples 1 to 3 was measured, and the results are shown in Table 2.
The test method comprises the following steps: the characteristic temperature value of the glass sample is measured by a TG-DTA thermogravimetric analyzer, and the transmittance is measured by a Fourier transform infrared spectrometer.
TABLE 2
Figure BDA0002918911200000051
Compared with the prior art, the prepared fluorine indate glass with wide infrared transmission wave band has good glass forming performance, the criterion of glass thermal stability Delta T is more than or equal to 80 ℃, the middle infrared transmittance is high, the transmittance T of the transmission wave band at 3.2-6 mu m is more than or equal to 90% (the thickness of a sample is 7mm), and the transmission cut-off wavelength of the wide infrared transmission wave band is 8.3 mu m (the thickness of the sample is 7mm, and the cut-off transmittance is 50%), so that the fluorine indate glass is an ideal matrix material for the middle infrared optical fiber.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The wide infrared transmission waveband fluorine indate glass is characterized by comprising the following components in percentage by weight: InF3:25~35mol%、BaF2-SrF2-ZnF2:55~65mol%、GaF3-LaF3:6~10mol%、ZrF4:2~5mol%。
2. The wide infrared transmission band fluoroindate glass of claim 1, wherein the BaF is2The content range is 18-20 mol%.
3. The wide infrared transmission band fluoroindate glass of claim 1, wherein the SrF is2The content range is 20-25 mol%.
4. The wide infrared transmission band fluoroindium acid of claim 1Salt glass, characterized in that the ZnF2The content range is 18-20 mol%.
5. The wide infrared transmission band fluoroindate glass of claim 1, wherein the GaF is a glass of the type3The content range is 5-7 mol%.
6. The wide infrared transmission band fluoroindate glass of claim 1, wherein the LaF is selected from the group consisting of3The content range is 2-3 mol%.
7. The wide infrared transmission band fluoroindate glass of any one of claims 1 to 6, wherein Δ T ═ glass has a superconductor transition temperature (T ═ glass)c) Glass transition temperature (T)g)≥80℃。
8. A method for preparing the wide infrared transmission band fluoroindate glass according to any one of claims 1 to 7, comprising the steps of:
(1) weighing the batch materials according to the proportion of each component, and fully mixing;
(2) under the protection of inert gas, putting the mixed batch into a platinum crucible, and melting for 1-1.5 h in a melting furnace at 850-900 ℃;
(3) pouring the molten glass onto a brass template preheated to 250-270 ℃, and cooling to obtain the blocky fluoroindium silicate glass.
9. The method of claim 8, wherein the inert gas is nitrogen.
10. The method of manufacturing according to claim 8, wherein the temperature of the brass die plate is 260 ℃.
CN202110110692.5A 2021-01-27 2021-01-27 Fluorine indium acid salt glass with wide infrared transmission wave band and preparation method thereof Pending CN112777940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110110692.5A CN112777940A (en) 2021-01-27 2021-01-27 Fluorine indium acid salt glass with wide infrared transmission wave band and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110110692.5A CN112777940A (en) 2021-01-27 2021-01-27 Fluorine indium acid salt glass with wide infrared transmission wave band and preparation method thereof

Publications (1)

Publication Number Publication Date
CN112777940A true CN112777940A (en) 2021-05-11

Family

ID=75758283

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110110692.5A Pending CN112777940A (en) 2021-01-27 2021-01-27 Fluorine indium acid salt glass with wide infrared transmission wave band and preparation method thereof

Country Status (1)

Country Link
CN (1) CN112777940A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60155549A (en) * 1984-01-25 1985-08-15 Nippon Sheet Glass Co Ltd Fluoride glass for transmitting infrared ray
EP0234581A2 (en) * 1986-02-28 1987-09-02 Hoya Corporation Fluoride glass and use thereof
JPS62256740A (en) * 1986-04-30 1987-11-09 Hoya Corp Fluoride glass
CN1375471A (en) * 2002-03-22 2002-10-23 中国科学院上海光学精密机械研究所 Infrared transmitting germanate glass containing fluoride
CN112010557A (en) * 2020-09-09 2020-12-01 哈尔滨工程大学 Transparent glass with middle infrared 3.5 mu m luminescence characteristic and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60155549A (en) * 1984-01-25 1985-08-15 Nippon Sheet Glass Co Ltd Fluoride glass for transmitting infrared ray
EP0234581A2 (en) * 1986-02-28 1987-09-02 Hoya Corporation Fluoride glass and use thereof
US4761387A (en) * 1986-02-28 1988-08-02 Hoya Corporation Fluoride glass
JPS62256740A (en) * 1986-04-30 1987-11-09 Hoya Corp Fluoride glass
CN1375471A (en) * 2002-03-22 2002-10-23 中国科学院上海光学精密机械研究所 Infrared transmitting germanate glass containing fluoride
CN112010557A (en) * 2020-09-09 2020-12-01 哈尔滨工程大学 Transparent glass with middle infrared 3.5 mu m luminescence characteristic and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
董大奎 等: "InF3-ZnF2-BaF2-SrF2-RFn系统玻璃性质研究", 《玻璃》 *

Similar Documents

Publication Publication Date Title
CN101397189B (en) Opticglass
WO2009139427A1 (en) Glass
CN106116143B (en) Optical glass
CN102295410B (en) Optical glass
CN108409132B (en) Environment-friendly optical glass and optical element
CN102320739A (en) Opticglass
CN106927676A (en) The flint optical glass with heavy lanthanum of high-refractivity and low-dispersion
WO2013049988A1 (en) Optical glass and manufacturing method thereof, and optical element
JP2013180919A (en) Optical glass and preform for precision press molding using the same and optical element
CN105461222A (en) High-refraction high-dispersion optical glass
CN116239301B (en) Phosphate optical glass and preparation method thereof
CN101323502A (en) Lead-free low-melting-point high-refractive-index glass and preparation method thereof
EP2565169B1 (en) Optical glass and optical element
CN112777940A (en) Fluorine indium acid salt glass with wide infrared transmission wave band and preparation method thereof
CN113929299B (en) High modulus glass composition, high modulus glass fiber and composite
CN115395356A (en) Erbium-doped double-clad zirconium fluoride-based glass optical fiber and preparation method thereof
CN1298652C (en) Fluorozirconate glass containing tellurium dioxide
CN110885188A (en) Paramagnetic optical glass and preparation method thereof
CN103241943B (en) A kind of alkali-free low-melting point optical glass and preparation method thereof
JP5352916B2 (en) Optical glass
CN102358681B (en) Transparent oxyfluoride tellurate glass
CN114620935B (en) NH-containing 4+ Low-melting point tin-chlorine phosphate glass and preparation method thereof
CN108726872B (en) Optical glass
CN102515514B (en) Transparent tellurate glass
CN101549954A (en) Spectralite with high refractivity and low dispersion

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210511

RJ01 Rejection of invention patent application after publication