CN109085674A - All-glass fiber derived from 2 micron waveband monocrystalline of one kind and preparation method thereof - Google Patents

All-glass fiber derived from 2 micron waveband monocrystalline of one kind and preparation method thereof Download PDF

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Publication number
CN109085674A
CN109085674A CN201811015646.1A CN201811015646A CN109085674A CN 109085674 A CN109085674 A CN 109085674A CN 201811015646 A CN201811015646 A CN 201811015646A CN 109085674 A CN109085674 A CN 109085674A
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monocrystalline
glass fiber
micron waveband
derived
glass
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CN109085674B (en
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杨中民
唐国武
钱奇
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • 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
    • G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06716—Fibre compositions or doping with active elements
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/32—Eccentric core or cladding

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Glass Compositions (AREA)

Abstract

The invention discloses all-glass fibers derived from a kind of 2 micron waveband monocrystalline, and covering is quartz glass, and fibre core is to mix glass derived from the monocrystalline of rare earth, and fibre core precursor is the rear-earth-doped monocrystalline that the output of 2 micron waveband laser can be achieved；The invention also discloses the preparation methods of all-glass fiber derived from the 2 micron waveband monocrystalline, are made by preform in high-temperature drawn, the preform is constituted by loading monocrystal in quartz glass tube.All-glass fiber derived from monocrystalline of the invention combines the excellent laser characteristics of laser crystal and glass optical fiber in advantages such as length, flexibility and weldings, and preparation process is simple, and applicability is wide；Fibre loss is low, can be the excellent gain material of 2 micron waveband laser with silica fibre welding.

Description

All-glass fiber derived from 2 micron waveband monocrystalline of one kind and preparation method thereof
Technical field
The invention belongs to technical field of optical fiber, and in particular to all-glass fiber derived from a kind of 2 micron waveband monocrystalline and its Preparation method.
Background technique
2 mu m wavebands (1.9 ~ 2.5 μm) laser is located in safety range of human eye, and water has strong absorption peak in the wave band, Simultaneously in atmosphere through one of window, in laser radar, atmospheric monitoring, laser medicine, remote sensing and mid-infrared laser device It is had a wide range of applications on the military and civilians such as pumping source.However, the rare earth ion solubility of traditional silica fibre is low, limitation Output performance of laser.Multicomponent glass rare earth solubility with higher, the extensive concern by researcher.But it is more Component glass optical fiber (such as germanate glass optical fiber, silicate glass optical fiber, fluoride glass fiber and tellurate glass optical fiber Deng) difficult and silica fibre welding.It is well known that laser crystal is excellent laser gain material, there is excellent laser characteristics, It is widely used in the fields such as industry, medical treatment and military affairs.But it generally also needs to couple entering light by the laser that laser crystal exports Fibre just can be carried out the application of next step.The present invention provides the new thinking of one kind and goes to obtain the gain fibre of 2 micron wavebands, i.e., singly All-glass fiber derived from crystalline substance.Monocrystalline with excellent laser activity is integrated into optical fiber, it is excellent to combine laser crystal In advantages such as length, flexibility and weldings, the fibre loss of preparation is low for laser characteristics and glass optical fiber, can be molten with silica fibre It connects, is the excellent gain material of 2 micron waveband laser.Its preparation process is simple simultaneously, and applicability is wide.
Summary of the invention
The purpose of the present invention is to provide all-glass fiber derived from a kind of monocrystalline for 2 micron waveband laser, losses It is low, it can be with silica fibre welding.Another object of the present invention is to provide all-glass fibers derived from above-mentioned 2 micron waveband monocrystalline Preparation method.
The purpose of the present invention is achieved through the following technical solutions.
All-glass fiber derived from 2 micron waveband monocrystalline of one kind, fibre cladding are quartz glass, and fiber core is dilute to mix Vitreum derived from the monocrystalline of soil, fibre core precursor are the rear-earth-doped monocrystal for being able to achieve the output of 2 micron waveband laser.
Further, the monocrystal is that HoCrTm:YAG monocrystalline, Tm:YAP monocrystalline, Tm:YAG monocrystalline or Ho:YAG are mono- It is brilliant.
The method of all-glass fiber derived from the preparation 2 micron waveband monocrystalline of one kind, by preform in height Temperature draws and is made, and the preform is constituted by loading monocrystal in quartz glass tube.
Further, the preparation method specifically comprises the following steps:
(1) quartz ampoule is first subjected to pickling, drying, then by drawing cone to seal wherein one end；
(2) monocrystal is inserted into quartz ampoule and is assembled into prefabricated rods, by drawing cone to seal the other end；
(3) after wire drawing furnace temperature rises to 1600 DEG C, prefabricated rods are slowly transferred, then be warming up to 2050 ~ 2100 DEG C into Row wire drawing vacuumizes in drawing process.
Further, the quartzy pipe outside diameter is 25 ~ 30 mm, and internal diameter is 3.1 mm, a length of 15 ~ 20 cm.
Further, the diameter of monocrystal is 3 mm, 6 ~ 8 cm of length.
Further, the all-glass fiber can obtain 1650 ~ 2200 nm under the pumping of 1610 nm optical fiber lasers The broadband ASE spectrum of range.
The present invention have compared with prior art highly significant the utility model has the advantages that
(1) all-glass fiber derived from 2 micron waveband monocrystalline of one kind of the invention, the monocrystalline for mixing rare earth and silica fibre are integrated Together, the excellent laser activity of laser crystal and optical fiber are sufficiently combined in advantages such as length, flexibility, weldings, preparation Optical fiber is glassy state, and loss is low, can be with silica fibre welding.
(2) preparation method of all-glass fiber derived from 2 micron waveband monocrystalline of one kind of the invention, preparation process is simple, Applicability is wide, and commercial fiber drawing tower can be used and draw.
Detailed description of the invention
Fig. 1 is the ASE map of all-glass fiber derived from the HoCrTm:YAG monocrystalline of the preparation of the embodiment of the present invention 1.
Specific embodiment
The present invention is described in more detail with example with reference to the accompanying drawing, embodiments of the present invention are not limited thereto, To not specified technological parameter or process, routine techniques progress can refer to.
Embodiment 1
All-glass fiber derived from HoCrTm:YAG monocrystalline and preparation method thereof is as follows:
(1) quartz ampoule (25 mm of outer diameter, 3.1 mm of internal diameter, long 15 cm) is first subjected to pickling, drying, then by drawing cone to seal Wherein one end；
(2) HoCrTm:YAG monocrystalline (3 mm of diameter, 8 cm of length) is inserted into quartz ampoule and is assembled into prefabricated rods；
(3) after wire drawing furnace temperature rises to 1600 DEG C, prefabricated rods is slowly transferred, 2080 DEG C are then warming up in 30 minutes Wire drawing is carried out, is vacuumized in drawing process.All-glass fiber diameter derived from the HoCrTm:YAG monocrystalline of drawing is 125 microns, Core diameter is 7.9 microns, itself and silica fibre welding then under the pumping of 1610 nm optical fiber lasers, can get The broadband ASE spectrum of 1650 ~ 2200 nm ranges, as shown in Fig. 1, and its luminous intensity increases with the increase of pump power Greatly.
Embodiment 2
All-glass fiber derived from Tm:YAP monocrystalline and its preparation are as follows:
(1) quartz ampoule (30 mm of outer diameter, 3.1 mm of internal diameter, long 18 cm) is first subjected to pickling, drying, then by drawing cone to seal Wherein one end；
(2) Tm:YAP monocrystalline (3 mm of diameter, 6 cm of length) is inserted into quartz ampoule and is assembled into prefabricated rods；
(3) after wire drawing furnace temperature rises to 1600 DEG C, prefabricated rods is slowly transferred, 2050 DEG C are then warming up in 30 minutes Wire drawing is carried out, is vacuumized in drawing process.All-glass fiber diameter derived from the Tm:YAP monocrystalline of drawing is 125 microns, fibre core Diameter is 5.4 microns.Its effect can obtain all-glass fiber derived from 2 micron waveband monocrystalline of one kind referring to embodiment.
Embodiment 3
All-glass fiber derived from Tm:YAG monocrystalline and preparation method thereof is as follows:
(1) quartz ampoule (30 mm of outer diameter, 3.1 mm of internal diameter, long 20 cm) is first subjected to pickling, drying, then by drawing cone to seal Wherein one end；
(2) Tm:YAG monocrystalline (3 mm of diameter, 6 cm of length) is inserted into quartz ampoule and is assembled into prefabricated rods；
(3) after wire drawing furnace temperature rises to 1600 DEG C, prefabricated rods is slowly transferred, 2100 DEG C are then warming up in 30 minutes Wire drawing is carried out, is vacuumized in drawing process.All-glass fiber diameter derived from the Tm:YAG monocrystalline of drawing is 125 microns, fibre core Diameter is 5.0 microns.Its effect can obtain all-glass fiber derived from 2 micron waveband monocrystalline of one kind referring to embodiment.
Embodiment 4
All-glass fiber derived from Ho:YAG monocrystalline and preparation method thereof is as follows:
(1) quartz ampoule (25 mm of outer diameter, 3.1 mm of internal diameter, long 20 cm) is first subjected to pickling, drying, then by drawing cone to seal Wherein one end；
(2) Ho:YAG monocrystalline (3 mm of diameter, 8 cm of length) is inserted into quartz ampoule and is assembled into prefabricated rods；
After wire drawing furnace temperature rises to 1600 DEG C, prefabricated rods are slowly transferred, be then warming up in 30 minutes 2080 DEG C into Row wire drawing vacuumizes in drawing process.All-glass fiber diameter derived from the Ho:YAG monocrystalline of drawing is 125 microns, and fibre core is straight Diameter is 8.1 microns.Its effect can obtain all-glass fiber derived from 2 micron waveband monocrystalline of one kind referring to embodiment.Its effect Referring to embodiment, all-glass fiber derived from 2 micron waveband monocrystalline of one kind can be obtained.

Claims (7)

1. all-glass fiber derived from a kind of 2 micron waveband monocrystalline, it is characterised in that: fibre cladding is quartz glass, and optical fiber is fine Core is to mix vitreum derived from the monocrystalline of rare earth, fibre core precursor be able to achieve 2 micron waveband laser output it is rear-earth-doped Monocrystal.
2. all-glass fiber derived from a kind of 2 micron waveband monocrystalline according to claim 1, it is characterised in that: the list Crystal is HoCrTm:YAG monocrystalline, Tm:YAP monocrystalline, Tm:YAG monocrystalline or Ho:YAG monocrystalline.
3. the method for preparing all-glass fiber derived from a kind of 2 micron waveband monocrystalline of any of claims 1 or 2, feature exist In including: that preform is made in high-temperature drawn, the preform is by loading monocrystal structure in quartz glass tube At.
4. the method according to claim 3 for preparing all-glass fiber derived from 2 micron waveband monocrystalline of one kind, feature exist In specifically comprising the following steps:
(1) quartz ampoule is first subjected to pickling, drying, then by drawing cone to seal wherein one end；
(2) monocrystal is inserted into quartz ampoule and is assembled into prefabricated rods, by drawing cone to seal the other end；
(3) after wire drawing furnace temperature rises to 1600 DEG C, prefabricated rods are slowly transferred, then be warming up to 2050 ~ 2100 DEG C into Row wire drawing vacuumizes in drawing process.
5. according to the method as claimed in claim 4 for preparing all-glass fiber derived from 2 micron waveband monocrystalline of one kind, it is characterised in that The quartz pipe outside diameter is 25 ~ 30 mm, and internal diameter is 3.1 mm, a length of 15 ~ 20 cm.
6. according to the method as claimed in claim 4 for preparing all-glass fiber derived from 2 micron waveband monocrystalline of one kind, it is characterised in that The diameter of monocrystal is 3 mm, 6 ~ 8 cm of length.
7. according to the method as claimed in claim 4 for preparing all-glass fiber derived from 2 micron waveband monocrystalline of one kind, it is characterised in that The all-glass fiber can obtain the broadband ASE light of 1650 ~ 2200 nm ranges under the pumping of 1610 nm optical fiber lasers Spectrum.
CN201811015646.1A 2018-08-31 2018-08-31 2-micron waveband single crystal derived all-glass optical fiber and preparation method thereof Active CN109085674B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101710194A (en) * 2009-12-18 2010-05-19 北京交通大学 Multilayer rare earth doped ion ring core fiber and manufacture method thereof
CN101738682A (en) * 2010-01-18 2010-06-16 烽火通信科技股份有限公司 Large-mode active optical fiber and manufacture method thereof
CN104591535A (en) * 2014-11-04 2015-05-06 华南师范大学 Method for preparing rare earth-doped quartz glass microstructure optical fibers by laser melting technology
CN106277806A (en) * 2016-07-28 2017-01-04 南京邮电大学 A kind of rear-earth-doped oxy-fluoride glass optical fiber and manufacture method
CN106980152A (en) * 2017-04-19 2017-07-25 哈尔滨工程大学 The preparation method and monocrystalline core fibre of embedded lithium niobate or monocrystalline lithium tantalate core fibre
CN107915400A (en) * 2017-10-31 2018-04-17 华南理工大学 A kind of method that pipe melt method prepares graded index YAS glass core fibres

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101710194A (en) * 2009-12-18 2010-05-19 北京交通大学 Multilayer rare earth doped ion ring core fiber and manufacture method thereof
CN101738682A (en) * 2010-01-18 2010-06-16 烽火通信科技股份有限公司 Large-mode active optical fiber and manufacture method thereof
CN104591535A (en) * 2014-11-04 2015-05-06 华南师范大学 Method for preparing rare earth-doped quartz glass microstructure optical fibers by laser melting technology
CN106277806A (en) * 2016-07-28 2017-01-04 南京邮电大学 A kind of rear-earth-doped oxy-fluoride glass optical fiber and manufacture method
CN106980152A (en) * 2017-04-19 2017-07-25 哈尔滨工程大学 The preparation method and monocrystalline core fibre of embedded lithium niobate or monocrystalline lithium tantalate core fibre
CN107915400A (en) * 2017-10-31 2018-04-17 华南理工大学 A kind of method that pipe melt method prepares graded index YAS glass core fibres

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
唐国武: "复合玻璃光纤的研究", 《中国博士学位论文全文数据库 信息科技辑》 *

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