CN107221829A - The disordered polymer optical fiber random laser device adulterated based on nano particle - Google Patents
The disordered polymer optical fiber random laser device adulterated based on nano particle Download PDFInfo
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- CN107221829A CN107221829A CN201710440883.1A CN201710440883A CN107221829A CN 107221829 A CN107221829 A CN 107221829A CN 201710440883 A CN201710440883 A CN 201710440883A CN 107221829 A CN107221829 A CN 107221829A
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- Prior art keywords
- optical fiber
- nano particle
- random laser
- laser device
- polymer optical
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
-
- 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
- G02B6/02033—Core or cladding made from organic material, e.g. polymeric material
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Multicomponent Fibers (AREA)
Abstract
The invention discloses a kind of disordered polymer optical fiber random laser device adulterated based on nano particle, the copolymer that wherein core material is nano particle, the methyl methacrylate of gain media doping and benzylmethacrylate copolymers clad material is methyl methacrylate and butyl acrylate.Optical fiber random laser device of the present invention is made by the way that disordered polymer preform is drawn under wire-drawer-tower.The threshold value of Inventive polymers optical fiber random laser is further lowered, the launch wavelength of polymer optical fiber Random Laser can be controlled, it is expected to be applied to Fibre Optical Sensor and photoelectricity integrated system, while the characteristics of polymer optical fiber accidental laser is due to low cost and good bandability there can be the prospect applied to micronano optical integrated system.
Description
Technical field
The present invention relates to optical fiber random laser device field, specifically a kind of disordered polymer light adulterated based on nano particle
Fine accidental laser.
Background technology
Unordered and aperiodicity photon turns into a study hotspot in the research of recent years.How is scientists study
Control Disordered Media that is irregular and having strong random scatter to light.Light diffusion is that a universal physics shows in random material
As.Recently, researchers have found that light wave contains many abundant interesting physics phenomenons in random material transmitting procedure.Light
Light wave feature of the multiple scattering without losing it can occur for transmission in disordered structure, while light wave is in scattering process and dissipates
Effect can be interfered after penetrating.Again because light scattering is elastic scattering, optical information will not lose.Additionally, due to
Reciprocity, the scattering of principle glazing is entirely reversible.These features cause light to be transmitted in Disordered Media, and generation is a series of to be had
The physical effect of interest, while huge application potential will be had, in terms of unordered photonic propulsion if for example light passes through disordered chain
Medium, such as biological tissue, and if being imaged out, will be greatly improved in biomedicine, while will be to medical science
Imaging, light science of heredity, and dynamic phototherapy produce tremendous influence.
Random Laser is a kind of laser of non-traditional type, it is not necessary to which it is humorous that the speculum required for conventional laser is constituted
Shake chamber, and it only relies on gain media and disordered chain medium is fed back and light.Special nature of the researcher for Random Laser
Generate keen interest.Researcher has found that Random Laser, such as gain media and nanometer can be obtained in many systems
The opal system of the suspension of grain, the thin polymer film of silver nanoparticle-containing, metal nanoparticle, pi-conjugated polymer and infiltration
System.However, the Random Laser system of traditional non-directional feature greatly limit their application.As
Its development of a kind of new laser, the high threshold of Random Laser and non-directional obstruction.In order to solve the two problems, people
Attempt to fetter Random Laser using a peacekeeping two-dimensional structure to obtain the Random Laser hair with Low threshold and certain orientation
Penetrate.Polymer optical fiber because they are flexible, be easily handled, economic and larger numerical aperture the features such as by increasing
Attract attention.Polymer optical fiber is widely used in various fields, such as short distance optic communication, fibre optical sensor and illumination dress
Put.With the development of disordered polymer optical fiber, increasing work concentrates on POF devices and polymer optical fiber
Accidental laser field.
The content of the invention is swashed at random it is an object of the invention to provide a kind of disordered polymer optical fiber adulterated based on nano particle
Light device, to solve the problem of prior art is present.
In order to achieve the above object, the technical solution adopted in the present invention is：
The disordered polymer optical fiber random laser device adulterated based on nano particle, including fibre core and covering, it is characterised in that：It is described
Core material is nano particle, initiator dilauroyl peroxide, the methyl methacrylate of gain media doping and methyl-prop
Olefin(e) acid benzyl ester copolymer, the clad material is the copolymer of methyl methacrylate and butyl acrylate.
The described disordered polymer optical fiber random laser device adulterated based on nano particle, it is characterised in that：The fibre core
In, the nano particle of doping is any one in silica, titanium dioxide, cadmiumsulfide quantum dot, POSS nano particles.
The described disordered polymer optical fiber random laser device adulterated based on nano particle, it is characterised in that：The fibre core
In, the gain media of doping is any one in PM597, PM567, rhodamine 6G.
The described disordered polymer optical fiber random laser device adulterated based on nano particle, it is characterised in that：Constitute covering
Copolymer in, the quality of methyl methacrylate to constitute the 10%-70% of the copolymer gross mass of covering, butyl acrylate
Quality is the 30%-90% for the copolymer gross mass for constituting covering.
The described disordered polymer optical fiber random laser device adulterated based on nano particle, it is characterised in that：Whole optical fiber
In laser, the mass fraction of methyl methacrylate is 0wt.%-85wt.%, and the mass fraction of benzyl methacrylate is
0wt.%-30wt.%, the mass fraction of butyl acrylate is 17wt.%-21wt.%, and the mass fraction of the gain media of doping is
0.1wt.%-0.4wt.%, the mass fraction of dilauroyl peroxide is 0.5wt.%-1.5wt.%, the matter of the nano particle of doping
Amount fraction is 0.01wt.%-0.1wt.%.
The described disordered polymer optical fiber random laser device adulterated based on nano particle, it is characterised in that：Preparation process
Comprise the following steps：
（1）, using Teflon methods, the copolymer of methyl methacrylate and butyl acrylate is first fabricated to hollow polymer
Prefabricated rods are used as covering；
（2）, the methyl methacrylate and methyl esters benzyl acrylate of fibre core, nano particle, initiator peroxidating February will be constituted
Osmanthus acyl, gain media are injected into step by respective percentage by weight（1）In obtained hollow polymer preform rod；
（3）, by step（2）Obtained prefabricated rods heat cure, obtains the gain of different content nano particle doping after heat cure
Disordered polymer preform；
（4）, gain disordered polymer preform that nano particle adulterates drawn under wire-drawer-tower, be made and be based on nanometer
The disordered polymer optical fiber random laser device of grain doping.
It is an advantage of the invention that scattering stable relevant disordered polymer optical fiber random laser based on nanometer based on a kind of, receive
Primary reconstruction is formed rice grain inside polymer optical fiber fibre core in the course of the polymerization process.This polymer optical fiber Random Laser
Threshold value is further lowered.If simultaneously change fibre core inside gain medium species, can control polymer optical fiber with
The launch wavelength of machine laser.Due to this polymer optical fiber Random Laser have Low threshold and it is directional the characteristics of be expected to be applied to
Fibre Optical Sensor and photoelectricity integrated system, while polymer optical fiber accidental laser can be with due to low cost and the characteristics of good bandability
There is the prospect applied to micronano optical integrated system.
Brief description of the drawings
Fig. 1 is preparation method principle procedure chart of the present invention.
Fig. 2 is the electron microscope of fibre core POSS nano particles.
Fig. 3 is disordered polymer optical fiber hair under different-energy pumping of the dye molecule doping containing POSS nano particles
Penetrate spectrum variation diagram.
Embodiment
Based on the disordered polymer optical fiber random laser device of nano particle doping, including fibre core and covering, core material is
Nano particle, initiator dilauroyl peroxide, the methyl methacrylate of gain media doping and benzyl methacrylate are common
Polymers, the clad material is the copolymer of methyl methacrylate and butyl acrylate.
In fibre core, the nano particle of doping is in silica, titanium dioxide, cadmiumsulfide quantum dot, POSS nano particle
Any one.
In fibre core, the gain media of doping is any one in PM597, PM567, rhodamine 6G.
In the copolymer for constituting covering, the quality of methyl methacrylate is the 10%- for the copolymer gross mass for constituting covering
70%, the quality of butyl acrylate is the 30%-90% for the copolymer gross mass for constituting covering.
In whole optical fiber laser, the mass fraction of methyl methacrylate is 0wt.%-85wt.%, methacrylic acid benzyl
The mass fraction of ester is 0wt.%-30wt.%, and the mass fraction of butyl acrylate is 17wt.%-21wt.%, the gain media of doping
Mass fraction be 0.1wt.%-0.4wt.%, the mass fraction of initiator dilauroyl peroxide is 0.5wt.%-1.5wt.%,
The mass fraction of the nano particle of doping is 0.01wt.%-0.1wt.%.
As shown in figure 1, being included based on the disordered polymer optical fiber random laser device preparation process that nano particle adulterates following
Step：
The first step：Polymer hollow prefabricated rods are prepared using Teflon methods.A certain proportion of methacrylic acid after refining
Methyl esters（66.7wt.%-88.9wt.%）And butyl acrylate（11.1wt.%-33.3wt.%）, initiator dilauroyl peroxide
（0.1wt.%-0.5wt.%）And chain-transferring agent n-butyl mercaptan（0.1wt.%-0.3 wt.%）Stir and pour into Teflon pipes,
Centre is come out with Teflon wire saws and fixed in a mold, is put into after sealing in heater box, is passed through following heating schedule thermosetting
Change：30-50 oC, 5 oC of every 24 h heatings；10 oC of 50-90 oC, 24 h heatings.After monomer thermal polymerization, Teflon is extracted out
Rope obtains the polymer preform rod of hollow.
Second step：The polymer optical fiber of gain medium doped nanoparticle makes.By polysilsesquioxane（POSS）
Nano particle（0.01wt.%-0.1wt.%）, gain medium molecule（0.1wt.%-0.4% wt.%）, a certain proportion of sandwich layer
Monomers methyl methacrylate（7wt.%-85wt.%）And benzyl methacrylate（15wt.%-30wt.%）, initiator peroxidating
Two lauroyl（0.1wt.%-0.5wt.%）And chain-transferring agent n-butyl mercaptan（0.1wt.%-0.3wt.%）Stir injection hollow
Polymer preform rod hollow in, it is to avoid produce bubble, after sealing, using same heating schedule, after the polymerization of sandwich layer monomer,
Obtain the disordered polymer preform of nano particle doping.
3rd step：The polymer optical fiber prefabricated stick that POSS nano particles are adulterated, which is put into wire drawing machine, carries out wire drawing, heating
The temperature of stove is raised to 190 oC, by controlling the feeding speed and drawing speed of optical fiber of prefabricated rods to control the diameter of optical fiber.
As shown in Fig. 2 POSS nanometers can be obtained with transmission electron microscope observation disordered polymer fiber cross-sections at room temperature
Distribution map of the particle in polymer optical fiber.POSS nano particles average diameter is 150nm, and this is due in molecule aggregation effect
Under, POSS is intermolecular to attract each other what polymerization was formed.Interaction between organic polymer molecules chain causes POSS nanometers
Grain is perfect scattered in disordered polymer fiber core.
If Fig. 3 is that dye molecule adulterates the disordered polymer optical fiber containing POSS nano particles under different pump energies
Emission spectra variation diagram.Under 25 μ J low pump energy, it can be seen that the spontaneous radiation spectrum that centre wavelength is about 577.0nm, half
Peak width is about 11.7nm.When pump energy is more than 51 μ J, it is possible to see amplified spontaneous emission, multi-mode laser spectrum narrows,
By taking 113 μ J pump energy as an example, peak wavelength is about 577.5nm, and half-peak breadth is about 0.8nm, a series of this sharp peak explanation
The generation of relevant Random Laser.
The invention discloses a kind of disordered polymer optical fiber random laser device adulterated based on nano particle, polymer optical fiber
The threshold value of Random Laser is further lowered, and can still control the launch wavelength of polymer optical fiber Random Laser, is expected to be applied to light
Fibre sensing and photoelectricity integrated system, while the characteristics of polymer optical fiber accidental laser is due to low cost and good bandability can have
Prospect applied to micronano optical integrated system.
Claims (6)
1. the disordered polymer optical fiber random laser device adulterated based on nano particle, including fibre core and covering, it is characterised in that：Institute
State methyl methacrylate and methyl that core material adulterates for nano particle, initiator dilauroyl peroxide, gain media
Benzyl acrylate copolymer, the clad material is the copolymer of methyl methacrylate and butyl acrylate.
2. the disordered polymer optical fiber random laser device according to claim 1 adulterated based on nano particle, its feature is existed
In：In the fibre core, the nano particle of doping is in silica, titanium dioxide, cadmiumsulfide quantum dot, POSS nano particle
Any one.
3. the disordered polymer optical fiber random laser device according to claim 1 adulterated based on nano particle, its feature is existed
In：In the fibre core, the gain media of doping is any one in PM597, PM567, rhodamine 6G.
4. the disordered polymer optical fiber random laser device according to claim 1 adulterated based on nano particle, its feature is existed
In：In the copolymer for constituting covering, the quality of methyl methacrylate is the 10%-70% for the copolymer gross mass for constituting covering,
The quality of butyl acrylate is the 30%-90% for the copolymer gross mass for constituting covering.
5. the disordered polymer optical fiber random laser device according to claim 1 adulterated based on nano particle, its feature is existed
In：In whole optical fiber laser, the mass fraction of methyl methacrylate is 0wt.%-85wt.%, the matter of benzyl methacrylate
Amount fraction is 0wt.%-30wt.%, and the mass fraction of butyl acrylate is 17wt.%-21wt.%, the quality of the gain media of doping
Fraction is 0.1wt.%-0.4wt.%, and the mass fraction of initiator dilauroyl peroxide is 0.5wt.%-1.5wt.%, doping
The mass fraction of nano particle is 0.01wt.%-0.1wt.%.
6. the disordered polymer optical fiber random laser device according to claim 1 adulterated based on nano particle, its feature is existed
In：Preparation process comprises the following steps：
（1）, using Teflon methods, the copolymer of methyl methacrylate and butyl acrylate is first fabricated to hollow polymer
Prefabricated rods are used as covering；
（2）, the methyl methacrylate and methyl esters benzyl acrylate of fibre core, nano particle, initiator peroxidating February will be constituted
Osmanthus acyl, gain media are injected into step by respective percentage by weight（1）In obtained hollow polymer preform rod；
（3）, by step（2）Obtained prefabricated rods heat cure, obtains the gain of different content nano particle doping after heat cure
Disordered polymer preform；
（4）, gain disordered polymer preform that nano particle adulterates drawn under wire-drawer-tower, be made and be based on nanometer
The disordered polymer optical fiber random laser device of grain doping.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258576A (en) * | 2018-01-17 | 2018-07-06 | 合肥工业大学 | Based on the cyto-architectural vesica accidental laser production method of class |
| CN108287146A (en) * | 2018-01-17 | 2018-07-17 | 合肥工业大学 | Based on evanescent field principle polymer optical fiber Random Laser sensing testing method |
| WO2019095528A1 (en) * | 2017-11-16 | 2019-05-23 | 太原理工大学 | Monolithic integrated semiconductor random laser |
| CN110518450A (en) * | 2019-08-09 | 2019-11-29 | 华南理工大学 | The preparation method and photoinduction aggregation laser device of photoinduction aggregation laser device |
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| CN102684063A (en) * | 2012-04-09 | 2012-09-19 | 北京师范大学 | White light random laser |
| CN104501843A (en) * | 2014-12-17 | 2015-04-08 | 电子科技大学 | External cavity type fiber laser sensor based on random feedback |
| US20150132507A1 (en) * | 2012-05-25 | 2015-05-14 | University Of Leeds | Medium For Random Laser And Manufacturing Process of the Same |
| CN104953449A (en) * | 2015-04-16 | 2015-09-30 | 合肥工业大学 | Polymer optical-fiber random laser based on metal nanoparticle scattering |
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2017
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Patent Citations (4)
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| CN102684063A (en) * | 2012-04-09 | 2012-09-19 | 北京师范大学 | White light random laser |
| US20150132507A1 (en) * | 2012-05-25 | 2015-05-14 | University Of Leeds | Medium For Random Laser And Manufacturing Process of the Same |
| CN104501843A (en) * | 2014-12-17 | 2015-04-08 | 电子科技大学 | External cavity type fiber laser sensor based on random feedback |
| CN104953449A (en) * | 2015-04-16 | 2015-09-30 | 合肥工业大学 | Polymer optical-fiber random laser based on metal nanoparticle scattering |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095528A1 (en) * | 2017-11-16 | 2019-05-23 | 太原理工大学 | Monolithic integrated semiconductor random laser |
| US10923881B2 (en) | 2017-11-16 | 2021-02-16 | Taiyuan University Of Technology | Monolithic integrated semiconductor random laser |
| CN108258576A (en) * | 2018-01-17 | 2018-07-06 | 合肥工业大学 | Based on the cyto-architectural vesica accidental laser production method of class |
| CN108287146A (en) * | 2018-01-17 | 2018-07-17 | 合肥工业大学 | Based on evanescent field principle polymer optical fiber Random Laser sensing testing method |
| CN108287146B (en) * | 2018-01-17 | 2021-05-04 | 合肥工业大学 | Polymer optical fiber random laser sensing test method based on evanescent field principle |
| CN110518450A (en) * | 2019-08-09 | 2019-11-29 | 华南理工大学 | The preparation method and photoinduction aggregation laser device of photoinduction aggregation laser device |
| CN110518450B (en) * | 2019-08-09 | 2020-04-24 | 华南理工大学 | Preparation method of light-induced condensing laser and light-induced condensing laser |
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Application publication date: 20170929 |