CN113955937A - Chemically-strengthened optical fiber panel and preparation method thereof - Google Patents
Chemically-strengthened optical fiber panel and preparation method thereof Download PDFInfo
- Publication number
- CN113955937A CN113955937A CN202111421505.1A CN202111421505A CN113955937A CN 113955937 A CN113955937 A CN 113955937A CN 202111421505 A CN202111421505 A CN 202111421505A CN 113955937 A CN113955937 A CN 113955937A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- glass
- fiber panel
- silicon core
- lithium aluminum
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 138
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 109
- -1 lithium aluminum silicon core Chemical group 0.000 claims abstract description 45
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 238000005342 ion exchange Methods 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000009617 vacuum fusion Methods 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 11
- 238000000227 grinding Methods 0.000 claims abstract description 9
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 5
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 claims abstract description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 5
- 239000006018 Li-aluminosilicate Substances 0.000 claims abstract 4
- 239000005368 silicate glass Substances 0.000 claims description 10
- 238000012681 fiber drawing Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Inorganic materials [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 239000005388 borosilicate glass Substances 0.000 claims description 3
- 230000009477 glass transition Effects 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 2
- 229910000502 Li-aluminosilicate Inorganic materials 0.000 claims 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910011255 B2O3 Inorganic materials 0.000 abstract description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract description 2
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 abstract 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 5
- 230000031700 light absorption Effects 0.000 description 4
- 238000003426 chemical strengthening reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000005354 aluminosilicate glass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/10—Non-chemical treatment
- C03B37/14—Re-forming fibres or filaments, i.e. changing their shape
- C03B37/15—Re-forming fibres or filaments, i.e. changing their shape with heat application, e.g. for making optical fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/10—Non-chemical treatment
- C03B37/16—Cutting or severing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
- C03C13/046—Multicomponent glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
- G02B6/08—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with fibre bundle in form of plate
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Surface Treatment Of Glass (AREA)
- Glass Compositions (AREA)
Abstract
The invention relates to a chemically-strengthened optical fiber panel and a preparation method thereof, belonging to the field of optical fiber panel manufacturing. The technical scheme adopted by the invention is as follows: the chemically strengthened optical fiber panel is formed by regularly and two-dimensionally arranging and fusing optical fibers with the fiber diameter of 4-10 micronsThe optical fiber comprises lithium aluminum silicon core glass and optical fiber skin glass, wherein the lithium aluminum silicon core glass is wrapped by the optical fiber skin glass, and the lithium aluminum silicon core glass comprises the following components: SiO 22，Al2O3，Li2O，Na2O，K2O，B2O3. The components of the invention are lithium aluminosilicate glass which is suitable for preparing the optical fiber panel, the problem that the lithium aluminosilicate glass and the optical fiber sheath can not be formed in the technical processes of monofilament drawing, multifilament drawing, vacuum fusion pressing and the like when the materials are matched is solved, and the optical fiber panel with high mechanical impact resistance is finally obtained by slicing, flat grinding and polishing and then immersing the glass into molten salt for ion exchange. Meanwhile, the prepared optical fiber panel has high resolution and high contrast.
Description
Technical Field
The invention relates to a chemically-strengthened optical fiber panel and a preparation method thereof, belonging to the field of optical fiber panel manufacturing.
Background
The optical fiber panel is formed by regularly and two-dimensionally arranging and fusing tens of millions of optical fibers with the fiber diameters of 4-10 microns, the optical fibers are used as basic image transmission units of the optical fiber panel and are formed by high-temperature drawing of optical fiber sheath glass with low refractive index and core glass with high refractive index, the optical fiber panel has excellent properties of high resolution, high contrast, zero optical thickness and the like, and the optical fiber panel is widely applied to the fields of military affairs, medical treatment, image recognition and the like.
However, due to the structural problem of the optical fiber panel, the impact strength of the optical fiber panel is not high, which limits the application range of the optical fiber panel, and particularly when the optical fiber panel is applied to the environments such as an imaging lens and an appearance device, a certain impact resistance is required to resist the damage when the optical fiber panel falls.
The difference between the temperature of the material property region of the common lithium aluminum silicon glass and the temperature of the optical fiber sheath glass is large, and the common lithium aluminum silicon glass cannot be molded in the preparation process.
Disclosure of Invention
The invention provides a chemically-strengthened optical fiber panel and a preparation method thereof, wherein chemically-strengthened lithium-aluminum-silicon glass has material interval temperature and expansion coefficient matched with optical fiber sheath glass through component proportion, the technical difficulties of process forming such as monofilament drawing, multifilament drawing, vacuum fusion pressing and the like are solved, and the optical fiber panel with high mechanical impact resistance is finally obtained by slicing, flat grinding and polishing and then immersing in molten salt for ion exchange.
In order to achieve the purpose, the invention adopts the technical scheme that:
the chemically-strengthened optical fiber panel is formed by regularly arranging and fusing optical fibers with the fiber diameters of 4-10 microns in a two-dimensional mode, the optical fibers comprise lithium aluminum silicon core glass and optical fiber skin glass, the lithium aluminum silicon core glass is wrapped by the optical fiber skin glass, and the lithium aluminum silicon core glass comprises the following components: SiO 22The content is 65-75 wt%; al (Al)2O3The content is 12-20 wt%; li2O, the content is 2-5 wt%; na (Na)2O, the content is 1-5 wt%; k2O, the content is 1-5 wt%; b is2O3The content is 0.5 to 2 wt%.
Preferably, the optical fiber sheath glass is a high lead borosilicate glass.
Preferably, the lithium aluminum silicon core glass is (Na)2O+ Li2O）/ （SiO2+Al2O3) The mass ratio of the aluminum silicate glass to the aluminum silicate glass is 0.15-0.20, and the aluminum silicate glass has better mechanical impact resistance after being chemically strengthened.
Preferably, the lithium-aluminum-silicon core glass has an average expansion coefficient of 85-95 x 10 at 25-300 DEG C-7/° c, greater than the optical fiber sheath glass.
Preferably, the glass transition temperature Tg of the lithium aluminum silicon core is 580-600 ℃, the softening point temperature Tf is 640-660 ℃, and the temperature is higher than that of the optical fiber sheath glass.
The method for preparing the chemically strengthened optical fiber panel comprises the steps of preparing two glass materials of lithium-aluminum-silicon core glass and optical fiber skin glass as raw materials, obtaining an optical fiber panel blank plate section through rod-tube combination, monofilament drawing, primary rod arrangement, multifilament drawing, plate arrangement and vacuum fusion pressing, and then slicing, shaping, grinding, polishing and immersing in molten salt for ion exchange to obtain the strengthened optical fiber panel.
The preparation method of the chemically strengthened optical fiber panel comprises the following steps:
(1) respectively processing the lithium aluminum silicon core glass and the optical fiber sheath glass by adopting cold processing equipment, so that the outer diameter of the lithium aluminum silicon core glass rod reaches phi 29.5-30.5 mm, the outer diameter of the optical fiber sheath glass rod reaches phi 33.5-35.5 mm, and the wall thickness is 2.0-2.5 mm;
(2) putting lithium aluminum silicon core glass into an optical fiber sheath glass tube, combining the optical fiber sheath glass tube and a lithium aluminum silicon core glass rod to form a glass rod tube, and drawing the glass rod tube into a monofilament with the outer diameter of 3.0-3.5 mm +/-0.01 mm by using an optical fiber drawing machine, wherein the length of the monofilament is 600-840 mm;
(3) arranging the m glass monofilaments into a primary rod in a rod arranging mold, and binding and fixing the primary rod finished by rod arranging by using a raw material belt and an aluminum foil to form a whole;
(4) drawing the primary rod into optical fiber multifilament with the length of the opposite side being 1.1-1.5 mm +/-0.01 mm by using an optical fiber drawing machine, and then cutting the optical fiber multifilament into a plurality of sections of multifilament with certain length;
(5) taking a plurality of multifilaments, discharging a hexagonal fiber array plate with 15-20 opposite sides in a regular hexagonal plate arranging mold, and binding and fixing two ends of the hexagonal fiber array plate;
(6) putting the arranged fiber array plates into a special die and putting the special die into a vacuum furnace for vacuum fusion pressing, wherein the fusion pressing temperature is 610-630 ℃;
(7) carrying out processes such as slicing, shaping, grinding and polishing on the hexagonal optical fiber panel blank plate section formed by vacuum fusion pressing to obtain an optical fiber panel blank plate with a smooth surface and a consistent shape;
(8) immersing the optical fiber panel blank in NaNO3And KNO3Ion exchange is carried out in the fused salt to prepare the high-strength optical fiber panel.
(9) As a further optimization of the preparation method of the chemically strengthened optical fiber panel, the two glass materials of the lithium aluminum silicon core glass and the optical fiber sheath glass have mutually matched material property interval temperature and expansion coefficient, and meet the technical preparation processes of single-filament, multi-filament, melt-pressing and the like.
As a further optimization of the preparation method of the chemically strengthened optical fiber panel, the outer diameter and the wall thickness of the optical fiber sheath glass tube, the diameter of the lithium aluminum silicon core glass rod, the diameter of the monofilament and the opposite sides of the multifilament are obtained by the preparation requirements of the optical fiber panel and can be changed according to requirements.
As chemically strengthenableIn a further preferred embodiment of the method for manufacturing the optical fiber panel, the molten salt is 15% NaNO3And 85% KNO3The temperature of the ion exchange is about 460 ℃, and the time of the ion exchange is 300 min.
Compared with the prior art, the invention has the following beneficial effects: aiming at the problem of low strength of the optical fiber panel, the lithium-aluminum-silicon glass serving as the component is suitable for preparing the optical fiber panel, the problem that the lithium-aluminum-silicon glass cannot be molded in the technical processes of monofilament drawing, multifilament drawing, vacuum fusion pressing and the like when the materials of the lithium-aluminum-silicon glass and the optical fiber skin are matched is solved, and the optical fiber panel with high resistance to chemical impact is finally obtained by slicing, flat grinding and polishing and then immersing the glass into molten salt for ion exchange. Provides a good and effective solution for the manufacture of fiber optic panels with high impact strength. Meanwhile, the prepared optical fiber panel has high resolution and high contrast.
Detailed Description
To more effectively explain the technical means and effects of the present invention adopted to achieve the predetermined objects, the present invention will be described with reference to the following embodiments. The particular features of the illustrative embodiments described below may be combined in any suitable manner.
The optical fiber panel is formed by regularly and two-dimensionally arranging and fusing tens of millions of optical fibers with the diameter of 4-10 microns.
The optical fiber comprises lithium aluminum silicon core glass and optical fiber skin glass, the lithium aluminum silicon core glass is wrapped by the optical fiber skin glass, and the lithium aluminum silicon core glass comprises the following components: SiO 22The content is 65-75 wt%; al (Al)2O3The content is 12-20 wt%; li2O, the content is 2-5 wt%; na (Na)2O, the content is 1-5 wt%; k2O, the content is 1-5 wt%; b is2O3The content is 0.5 to 2 wt%. The lithium aluminum silicon core glass (Na)2O+ Li2O）/ （SiO2+Al2O3) The mass ratio of (A) to (B) is 0.15-0.20. The aluminosilicate glass has better mechanical impact resistance after being chemically strengthened, so that the optical fiber panel meets the requirement of high mechanical impact resistance.
Lithium aluminum silicon core glassThe average expansion coefficient of the glass at 25-300 ℃ is 85-95 x 10-7/° c, greater than the optical fiber sheath glass. The glass transition temperature Tg of the lithium aluminum silicon core is 580-600 ℃, the softening point temperature Tf is 640-660 ℃, and the temperature is higher than that of the optical fiber sheath glass.
The optical fiber sheath glass is a borosilicate glass with high lead content.
The invention can chemical strengthening optical fiber panel raw materials are two kinds of glass materials of lithium aluminium silicon core glass, smooth core skin glass, make up through the rod and tube, draw monofilament, arrange stick, draw multifilament, arrange the board, vacuum fusion pressure get optical fiber panel blank plate section, carry on slice, plastic, grind, polish and soak in fused salt to carry on the ion exchange and get the strengthened optical fiber panel, the concrete preparation step is as follows:
(1) respectively processing lithium aluminum silicon core glass and smooth core skin glass by adopting cold processing equipment, wherein the lithium aluminum silicon core glass is made by polishing, the optical fiber skin glass is light absorption glass, the outer diameter of a lithium aluminum silicon core glass rod reaches phi 29.5-30.5 mm, the outer diameter of the optical fiber skin glass rod reaches phi 35.5-36.5 mm, and the wall thickness is 3.0 mm;
(2) inserting a lithium aluminum silicon core glass rod into a smooth core skin glass tube, combining to form a glass rod tube, and drawing the glass rod tube into a monofilament with the outer diameter of 3.0-3.5 mm +/-0.01 mm by using an optical fiber drawing machine, wherein the length of the monofilament is 600-840 mm;
(3) arranging the m glass monofilaments into a primary rod in a rod arranging mold, and binding and fixing the primary rod finished by rod arranging by using a raw material belt and an aluminum foil to form a whole;
(4) drawing the primary rod into optical fiber multifilament with the length of the opposite side being 1.1-1.5 mm +/-0.01 mm by using an optical fiber drawing machine, and then cutting the optical fiber multifilament into a plurality of sections of multifilament with certain length;
(5) taking a plurality of multifilaments, discharging a hexagonal fiber array plate with 15-20 opposite sides in a regular hexagonal plate arranging mold, and binding and fixing two ends of the hexagonal fiber array plate;
(6) putting the arranged fiber array plate into a special die and putting the die into a vacuum furnace for vacuum melt-pressing, wherein the melt-pressing temperature is 610-630 ℃;
(7) carrying out processes such as slicing, shaping, grinding and polishing on the hexagonal optical fiber panel blank plate section formed by vacuum fusion pressing to obtain an optical fiber panel blank plate with a smooth surface and a consistent shape;
(8) and carrying out ion exchange on the optical fiber panel blank to obtain the reinforced optical fiber panel.
The preferred scheme in the embodiment of the invention is as follows: in order to improve the product performance, the gap between the glass rods and the glass tubes is required to be less than 0.5mm, the precision of single-filament drawing and multi-filament drawing is controlled within 5 mu m, the melt-pressing temperature is 610-630 ℃, the slice thickness is 2-10 mm, the parallelism is within 5 mu m, the flatness is within 0.5 mu m, and the micropore size and the precision of the distance between pores of the prepared optical fiber panel are within 1 mu m. The detailed steps are as follows:
(1) respectively processing the light absorption glass and the light support glass by adopting cold processing equipment, so that the outer diameter of the light support glass rod reaches phi 29.5-30.5 mm, the outer diameter of the light absorption glass rod reaches phi 35.5-39.5 mm, the wall thickness is 3.0-4.5 mm, and the gap of a glass rod tube is less than 0.5 mm;
(2) combining the light absorption glass tube with the light support glass rod to form a glass rod tube, drawing the glass rod tube into a monofilament with the outer diameter of 3.0-3.5 mm +/-0.01 mm by using an optical fiber drawing machine, wherein the length of the monofilament is 600-840 mm, and the drawing precision of the monofilament is controlled within 5 mu m;
(3) arranging the m glass monofilaments into a primary rod in a rod arranging mold, and binding and fixing the primary rod finished by rod arranging by using a raw material belt and an aluminum foil to form a whole;
(4) drawing the primary rod into optical fiber multifilament with the side length of 1.1-1.5 mm +/-0.01 mm by using an optical fiber drawing machine, and then cutting the optical fiber multifilament into a plurality of sections of multifilament with certain length, wherein the drawing precision of the multifilament is controlled within 5 mu m;
(5) taking a plurality of multifilaments, discharging a hexagonal fiber array plate with 15-20 opposite sides in a regular hexagonal plate arranging mold, and binding and fixing two ends of the hexagonal fiber array plate;
(6) putting the arranged fiber array plates into a special die and putting the special die into a vacuum furnace for vacuum melt-pressing, wherein the melt-pressing temperature is 610-630 ℃;
(7) carrying out technological treatment such as slicing, shaping, grinding, polishing and the like on a hexagonal optical fiber panel blank plate section formed by vacuum fusion pressing to obtain an optical fiber panel blank plate with a smooth surface and a consistent shape, wherein the polishing parallelism is within 5 mu m, and the flatness is within 0.5 mu m;
(8) and carrying out ion exchange on the optical fiber panel blank to obtain the reinforced optical fiber panel.
The molten salt comprises NaNO3And KNO3And in the ion exchange, the ratio of the exchange rate of Li + of the lithium aluminum silicate glass to Na + of the molten salt to the exchange rate of Na + of the lithium aluminum silicate glass to K + of the molten salt is 4.5-6.0. The molten salt comprises 15 percent of NaNO by mass percentage3And 85% KNO3The temperature of the ion exchange is 460 ℃; and the ion exchange time is 300min, and finally the reinforced optical fiber panel is obtained.
The optical fiber panel blank capable of being chemically strengthened comprises two materials of lithium aluminum silicate glass and optical fiber skin glass, wherein the lithium aluminum silicate glass mainly comprises the following components: SiO 22、Al2O3、Li2O、Na2O、K2O、B2O3The selection of the components and the effective proportion of the components are in a reasonable range, so that the thermal expansion coefficient, the chemical stability and the thermal property of the lithium aluminum silicon glass are ensured, the preparation requirements of the processes of monofilament, multifilament, hot pressing, acid washing and the like can be met, the difficult problems of the preparation process and the chemical strengthening of the optical fiber panel which can be strengthened are solved, and the optical fiber panel with high resolution, high contrast and high strength is prepared.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the invention should be included in the scope of the invention.
Claims (10)
1. The chemically-strengthened optical fiber panel is formed by regularly arranging and fusing optical fibers in two dimensions, and is characterized in that the optical fibers comprise lithium aluminum silicon core glass and optical fiber skin glass, the lithium aluminum silicon core glass is wrapped by the optical fiber skin glass, and the lithium aluminum silicon core glass comprises the following components：SiO2The content is 65-75 wt%; al (Al)2O3The content is 12-20 wt%; li2O, the content is 2-5 wt%; na (Na)2O, the content is 1-5 wt%; k2O, the content is 1-5 wt%; b is2O3The content is 0.5 to 2 wt%.
2. The lithium aluminosilicate glass for chemically strengthened optical fiber panels according to claim 1, wherein the optical fiber sheath glass is a high lead borosilicate glass.
3. The lithium aluminosilicate glass for chemically-strengthenable optical fiber panel according to claim 1, wherein the lithium aluminosilicate core glass is (Na) in the lithium aluminosilicate core glass2O+ Li2O）/ （SiO2+Al2O3) The mass ratio of the aluminum silicate glass to the aluminum silicate glass is 0.15-0.20, and the aluminum silicate glass has better mechanical impact resistance after being chemically strengthened.
4. The chemically-strengthenable optical fiber panel according to claim 1, wherein the lithium aluminum silicon core glass has an average expansion coefficient of 85 to 95 x 10 at 25 to 300 ℃-7/° c, greater than the optical fiber sheath glass.
5. The chemically-strengthenable optical fiber panel according to claim 4, wherein said lithium aluminum silicon core has a glass transition temperature Tg of 580 to 600 ℃, a softening point temperature Tf of 640 to 660 ℃, and is greater than the optical fiber sheath glass.
6. The method for preparing the chemically-strengthened optical fiber panel as claimed in claim 1, wherein the raw materials are two glass materials of lithium aluminum silicon core glass and optical fiber skin glass, the raw materials are combined by a rod and a tube, a monofilament is drawn, a primary rod is arranged, a multifilament is drawn, a plate is arranged, vacuum fusion pressing is carried out to obtain an optical fiber panel blank plate section, and then slicing, shaping, grinding, polishing and ion exchange are carried out by immersing the optical fiber panel blank plate section in molten salt to obtain the strengthened optical fiber panel.
7. The method for preparing the chemically-strengthened optical fiber panel according to claim 5, comprising the following steps:
(1) respectively processing the lithium aluminum silicon core glass and the optical fiber sheath glass by adopting cold processing equipment, so that the outer diameter of the lithium aluminum silicon core glass rod reaches phi 29.5-30.5 mm, the outer diameter of the optical fiber sheath glass rod reaches phi 33.5-35.5 mm, and the wall thickness is 2.0-2.5 mm;
(2) putting lithium aluminum silicon core glass into an optical fiber sheath glass tube, combining the optical fiber sheath glass tube and a lithium aluminum silicon core glass rod to form a glass rod tube, and drawing the glass rod tube into a monofilament with the outer diameter of 3.0-3.5 mm +/-0.01 mm by using an optical fiber drawing machine, wherein the length of the monofilament is 600-840 mm;
(3) arranging the m glass monofilaments into a primary rod in a rod arranging mold, and binding and fixing the primary rod finished by rod arranging by using a raw material belt and an aluminum foil to form a whole;
(4) drawing the primary rod into optical fiber multifilament with the length of the opposite side being 1.1-1.5 mm +/-0.01 mm by using an optical fiber drawing machine, and then cutting the optical fiber multifilament into a plurality of sections of multifilament with certain length;
(5) taking a plurality of multifilaments, discharging a hexagonal fiber array plate with 15-20 opposite sides in a regular hexagonal plate arranging mold, and binding and fixing two ends of the hexagonal fiber array plate;
(6) putting the arranged fiber array plates into a special die and putting the special die into a vacuum furnace for vacuum fusion pressing, wherein the fusion pressing temperature is 610-630 ℃;
(7) carrying out processes such as slicing, shaping, grinding and polishing on the hexagonal optical fiber panel blank plate section formed by vacuum fusion pressing to obtain an optical fiber panel blank plate with a smooth surface and a consistent shape;
(8) immersing the optical fiber panel blank in NaNO3And KNO3Ion exchange is carried out in the fused salt to prepare the high-strength optical fiber panel.
8. The method for preparing the chemically-strengthened optical fiber panel according to claim 7, wherein the two glass materials of the lithium aluminum silicon core glass and the optical fiber sheath glass have mutually matched material property interval temperature and expansion coefficient, and meet the technological preparation processes of monofilament, multifilament, melt-pressing and the like.
9. The method for preparing the chemically-strengthened optical fiber panel according to claim 7, wherein the outer diameter and the wall thickness of the optical fiber sheath glass tube, the diameter of the lithium aluminum silicon core glass rod, the diameter of the monofilament, and the opposite sides of the multifilament are obtained from the preparation requirements of the optical fiber panel and can be changed according to the requirements.
10. The method of claim 7, wherein the molten salt is 15% NaNO3And 85% KNO3The temperature of the ion exchange is about 460 ℃, and the time of the ion exchange is 300 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421505.1A CN113955937B (en) | 2021-11-26 | 2021-11-26 | Chemically strengthened optical fiber panel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421505.1A CN113955937B (en) | 2021-11-26 | 2021-11-26 | Chemically strengthened optical fiber panel and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113955937A true CN113955937A (en) | 2022-01-21 |
| CN113955937B CN113955937B (en) | 2023-11-07 |
Family
ID=79472297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111421505.1A Active CN113955937B (en) | 2021-11-26 | 2021-11-26 | Chemically strengthened optical fiber panel and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113955937B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853331A (en) * | 2022-05-11 | 2022-08-05 | 中国建筑材料科学研究总院有限公司 | Glass micro-tube array with large specific surface area and preparation method and application thereof |
| CN115981127A (en) * | 2023-03-02 | 2023-04-18 | 中建材光芯科技有限公司 | Glass-based photoelectric volume pulse wave cover plate material and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3630765A (en) * | 1969-02-24 | 1971-12-28 | Corning Glass Works | Photochromic glass containing tantalum oxide for optical fiber fabrication |
| US4367012A (en) * | 1978-10-06 | 1983-01-04 | Nippon Sheet Glass Co., Ltd. | Optical glass fiber having cover glass of sodium zinc alumino borosilicate |
| CN101213150A (en) * | 2005-06-29 | 2008-07-02 | 日本电气硝子株式会社 | Optical glass |
| US20160161670A1 (en) * | 2013-03-15 | 2016-06-09 | Schott Corporation | Optical fiber for the reduction of stimulated brillouin scattering in high-power applications |
| CN110117158A (en) * | 2019-05-27 | 2019-08-13 | 中国建筑材料科学研究总院有限公司 | It is a kind of with low-refraction, the optical glass of high transmittance and its preparation method and application |
| CN111393023A (en) * | 2020-04-22 | 2020-07-10 | 中国建筑材料科学研究总院有限公司 | High-definition optical fiber image inverter and preparation method and application thereof |
-
2021
- 2021-11-26 CN CN202111421505.1A patent/CN113955937B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3630765A (en) * | 1969-02-24 | 1971-12-28 | Corning Glass Works | Photochromic glass containing tantalum oxide for optical fiber fabrication |
| US4367012A (en) * | 1978-10-06 | 1983-01-04 | Nippon Sheet Glass Co., Ltd. | Optical glass fiber having cover glass of sodium zinc alumino borosilicate |
| CN101213150A (en) * | 2005-06-29 | 2008-07-02 | 日本电气硝子株式会社 | Optical glass |
| US20160161670A1 (en) * | 2013-03-15 | 2016-06-09 | Schott Corporation | Optical fiber for the reduction of stimulated brillouin scattering in high-power applications |
| CN110117158A (en) * | 2019-05-27 | 2019-08-13 | 中国建筑材料科学研究总院有限公司 | It is a kind of with low-refraction, the optical glass of high transmittance and its preparation method and application |
| CN111393023A (en) * | 2020-04-22 | 2020-07-10 | 中国建筑材料科学研究总院有限公司 | High-definition optical fiber image inverter and preparation method and application thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853331A (en) * | 2022-05-11 | 2022-08-05 | 中国建筑材料科学研究总院有限公司 | Glass micro-tube array with large specific surface area and preparation method and application thereof |
| CN114853331B (en) * | 2022-05-11 | 2023-07-07 | 中国建筑材料科学研究总院有限公司 | Glass microtube array with large specific surface area and preparation method and application thereof |
| CN115981127A (en) * | 2023-03-02 | 2023-04-18 | 中建材光芯科技有限公司 | Glass-based photoelectric volume pulse wave cover plate material and preparation method and application thereof |
| CN115981127B (en) * | 2023-03-02 | 2023-12-26 | 中建材光芯科技有限公司 | Glass-based photoelectric volume pulse wave cover plate material, and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113955937B (en) | 2023-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113955937A (en) | Chemically-strengthened optical fiber panel and preparation method thereof | |
| JP2010520497A (en) | Photonic crystal fiber and method of manufacturing the same | |
| US4529426A (en) | Method of fabricating high birefringence fibers | |
| CN106630596B (en) | Silicic acid salted hide glass, curved surface square hole microchannel plate and preparation method thereof | |
| CN203616499U (en) | 4 mu optical fiber image inverter | |
| CN104614804B (en) | The flexible optical fiber image transmitting beam and its molten preparation method of acid of a kind of high-resolution and low wire broken rate | |
| JP2556050B2 (en) | Glass capillary tube and method of manufacturing the same | |
| CN105293902A (en) | Edge-cladding glass, optical fiber image transmitting element and their preparation methods | |
| CN113866874A (en) | Polymer optical fiber panel, manufacturing method and large-area polymer optical fiber panel | |
| US4397669A (en) | Method for the precision moulding of glass articles, method of manufacturing a mould, and mould for the precision moulding of glass articles | |
| JPS6138134B2 (en) | ||
| JPS5874537A (en) | Acid-leachable glass for manufacturing flexible optical fiber bundle | |
| US4231775A (en) | Method of making ommateal lenses and plates | |
| CN110922048B (en) | All-solid-state germanate glass composite photonic crystal fiber and preparation method thereof | |
| CN115557692A (en) | Preparation method of large-numerical-aperture preform | |
| CN105404879A (en) | Fingerprint acquisition apparatus, imaging device of fingerprint acquisition apparatus, manufacturing method for imaging device and electronic device | |
| US3196738A (en) | Fiber optical components | |
| CN113929297A (en) | X-ray irradiation resistant high-X-ray absorption optical fiber panel | |
| CN111620558A (en) | Method for manufacturing elliptical core polarization maintaining optical fiber | |
| JPS621331B2 (en) | ||
| CN114185130B (en) | Optical fiber panel with high X-ray absorption and preparation method thereof | |
| JP2015151328A (en) | Method of manufacturing multicore optical fiber preform | |
| CN112573819B (en) | Preparation method of high-resolution flexible optical fiber image transmission beam | |
| CN111960666A (en) | Lobster eye optical device leather glass and preparation method thereof | |
| CN116265407A (en) | High-strength multichannel light transmission window panel and preparation method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |