CN110319855A - A kind of highly sensitive photodetection optical fibre device and preparation method thereof - Google Patents
A kind of highly sensitive photodetection optical fibre device and preparation method thereof Download PDFInfo
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- CN110319855A CN110319855A CN201910603605.2A CN201910603605A CN110319855A CN 110319855 A CN110319855 A CN 110319855A CN 201910603605 A CN201910603605 A CN 201910603605A CN 110319855 A CN110319855 A CN 110319855A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000004065 semiconductor Substances 0.000 claims abstract description 67
- 239000000835 fiber Substances 0.000 claims abstract description 44
- 230000005622 photoelectricity Effects 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 239000007772 electrode material Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 29
- 239000011162 core material Substances 0.000 claims description 27
- 208000002925 dental caries Diseases 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 229910052711 selenium Inorganic materials 0.000 claims description 6
- 239000011669 selenium Substances 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 239000004695 Polyether sulfone Substances 0.000 claims description 2
- 229910052785 arsenic Inorganic materials 0.000 claims description 2
- -1 arsenic selenide Chemical class 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000005365 phosphate glass Substances 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 229920006393 polyether sulfone Polymers 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 229910052714 tellurium Inorganic materials 0.000 claims description 2
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 230000006698 induction Effects 0.000 abstract description 5
- 239000004005 microsphere Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004043 responsiveness Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C03B37/02—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Optical Couplings Of Light Guides (AREA)
- Light Receiving Elements (AREA)
Abstract
The invention discloses a kind of highly sensitive photodetection optical fibre devices and preparation method thereof；1) preform is prepared；Prefabricated rods are provided with big cylindrical cavity and small column cavity, and big cylindrical cavity and prefabricated rods are coaxial, and the axis of small column cavity and the axis of prefabricated rods are parallel；2) by the big cylindrical cavity of semiconductor material merging prefabricated rods, heat treatment obtains the primary preform stick containing small column cavity；3) metal electrode material is placed in the small column cavity of primary preform stick two sides, is then drawn into optical fiber, obtain photoelectricity composite fiber；4) obtained photoelectricity composite fiber is heat-treated a period of time at a certain temperature, induction fibre core semiconductor shortens microballoon into get to the trapezoidal connectivity structure of two electrodes and micro-sphere contacts in whole optical fiber, can be used for photodetection.Method of the invention is simple, it is easy to accomplish, multiple accesses can be formed simultaneously in an optical fiber, substantially increase the density and sensitivity of device.
Description
Technical field
The present invention relates to photoelectric detecting parts and its preparation technical fields more particularly to a kind of highly sensitive photodetection to use up
Fiber device and preparation method thereof.
Background technique
Photodetector is widely used at present in daily production and life, such as medicine detection, chemical sensitisation, environment prison
The fields such as survey, infrared remote sensing, energy storage, photoelectric communication and military affairs.
In such applications, photodetector must have high sensitivity, fast-response degree, opposite in the wavelength to be worked
Lower noise and higher reliability.
Conventional photodetectors be by semiconductor compound thin film or perovskite-based thin-film device, preparation process compared with
Complexity, higher cost are relatively easy to environmental effects in preparation process.
Due to material and its high speed development of processing technology, so that the composite fiber with photoelectric functional starts to occur.Its
In just comprising a kind of semiconductor light fiber device with photodetection function, this kind of optical fibre device is formed by preform,
Fibre core is (one is whole) semiconductor material in continuous state.This kind of optical fibre device is sensitive since fibre core resistance is larger
Degree is often lower, so that responsiveness and noise control performance etc. deficiency.
Summary of the invention
The shortcomings that it is an object of the invention to overcome the above-mentioned prior art and deficiency provide a kind of highly sensitive photodetection use
Optical fibre device and preparation method thereof, with improve detector sensitivity, responsiveness and reduce detector volume the problems such as.
The present invention is achieved through the following technical solutions:
A kind of highly sensitive photodetection optical fibre device the preparation method is as follows:
Step 1: choosing high molecular material or glass material prepares preform；
And one big cylindrical cavity and two small column cavitys are reserved in the preform；
The axis of the big cylindrical cavity and preform are coaxial；
Two small column cavitys are symmetrically distributed in the two sides of big cylindrical cavity, the axis of big cylindrical cavity and two small columns
The axis of cavity is parallel to each other, and the axis of small column cavity between the axis of preform at a distance to be greater than small column empty
The sum of the radius of the radius of chamber cross section and big cylinder cavity cross section；
Step 2: semiconductor core material is placed in big cylindrical cavity, is then heated under vacuum conditions, to obtain
The primary preform stick there are two small column cavity must be contained；
Step 3: metal electrode material is placed in two small column cavitys of primary preform stick, then 200~1000
DEG C environment temperature under it is drawn, after drawing obtain photoelectricity composite fiber；
Step 4: the photoelectricity composite fiber that step 3 obtains is heat-treated under 200~260 DEG C of environment temperatures, due to gold
The fusing point for belonging to electrode material is greater than semiconductor fibre core material, makes the semiconductor in big cylindrical cavity using fluid instability at this time
The glomerate semiconductor microballoon of core material collapsing, semiconductor microballoon is in discrete shape at this time, and constituted with metal electrode material
Two plain conductors form the connectivity structure of discrete touch, that is, form discrete touch semiconductor microballoon between two plain conductors
Connectivity structure can be prepared by highly sensitive photodetection and use up electric compound optical fiber components；
When the additional voltage of two plain conductors, close access can be formed with semiconductor microactuator ball, be visited for photoelectricity
It surveys.
The depth of big cylindrical cavity described in above-mentioned steps one is less than or equal to the length of preform, small column cavity
Depth is less than or equal to the length of preform；
The radius of the small column cavity is less than the radius of big cylindrical cavity, small column cavity and the same water of big cylindrical cavity
The sum of the diameter of flat cross section, less than the shortest distance of the same level cross section figure relative position of preform.
Vacuum heat treatment temperature described in above-mentioned steps two is 100~230 DEG C, and the time is 5~30min.
Semiconductor core material described in above-mentioned steps two be one of semiconductor selenium, tellurium, arsenic selenide or arsenones or
The two or more mixing of person；Metal electrode material described in step 3 is copper wire, spun gold, tungsten wire and/or filamentary silver；Semiconductor core material
For rodlike, powdered, graininess or bulk.
The diameter of photoelectricity composite fiber described in above-mentioned steps three is 200 μm~3mm.
High molecular material described in above-mentioned steps one is polyethersulfone resin, polysulfone resin or polymethyl methacrylate；Institute
Stating glass material is K9 glass or phosphate glass.
The highly sensitive photodetection optical fibre device of the present invention comprising fibre cladding, and be parallel in fibre cladding
Semiconductor microballoon is distributed with along the length direction between two plain conductors is discrete, the semiconductor microballoon in two plain conductors
The fixed bridging of opposite end or be welded between two plain conductors, formed by array arrangement between two plain conductors
Semiconductor microballoon photoelectricity compound optical fiber components；As an additional voltage (0-100V) of two plain conductors, with semiconductor
Microballoon forms close access.
The close access is the alternate path of multiple closures, i.e. two plain conductors and semiconductor in an optical fibre device
Trapezoidal (ladder-shaped) connectivity structure of microballoon electrical contact.
The present invention compared with the existing technology, have following advantages and effects
A kind of composite fiber of optical fibre device of the present invention in preparation process, is reserved on preform one big first
Semiconductor core material is first placed in big cylindrical cavity, then under vacuum conditions by cylindrical cavity and two small column cavitys
Heat treatment, to obtain containing there are two the primary preform sticks of small column cavity；Metal electrode material is placed in primary preform stick
In two small column cavitys, then it is drawn under 200~1000 DEG C of environment temperature, it is compound that photoelectricity is obtained after drawing
Optical fiber；Photoelectricity composite fiber is heat-treated under 200~260 DEG C of environment temperatures again, since the fusing point of metal electrode material is greater than
Semiconductor fibre core material makes the semiconductor core material collapsing in big cylindrical cavity glomerate using fluid instability at this time
Semiconductor microballoon, at this time semiconductor microballoon be in discrete shape, and with metal electrode material constitute two plain conductors formed it is discrete
The connectivity structure of contact forms the connectivity structure of discrete touch semiconductor microballoon between two plain conductors, can be prepared by height
Sensitive photodetection optical fibre device.Hydrodynamics thermal instability is cleverly utilized in the above-mentioned technique of the present invention, keeps fusing point remote
Lower than the fibre core semiconductor collapsing of metal electrode material at the spherical semiconductor microballoon of discrete distribution；Semiconductor microballoon is melting
While the connectivity structure of welding is formed with two plain conductors；This welding connection type not only stabilized structure, but also significantly
Improve the reliability of electrical connection；Make to be formed after semiconductor core material (selenium stick) natural fracture by the way of melting discrete
Sphere structure, not only greatly simplify production technology, but also the sphere structure of discrete shape distribution makes the present invention can be one
The access that multiple microballoons are contacted with metal electrode is formed in root optical fiber, substantially increase sensitivity, the responsiveness of photodetection with
And relatively low noise.
In conclusion photoelectricity composite fiber combination drawing process molding of the present invention, by the way that semiconductor core material is placed in
In big cylindrical cavity and after heating, metal electrode material is being placed in small column cavity, optical fiber is then drawn into, obtained
Photoelectricity composite fiber；Obtained photoelectricity composite fiber is heat-treated a period of time, induction fibre core semiconductor contracting at a certain temperature
The trapezoidal connectivity structure of two electrodes and micro-sphere contacts in whole optical fiber is obtained at microballoon, not only technological means is easy easily
Row, can be formed simultaneously multiple alternate paths in an optical fiber, the density and sensitivity of device be substantially increased, in preparation process
In, not only the size of optical fiber is controllable, also simplifies preparation process, is easy to high-volume, low cost production.
Photoelectricity composite fiber combination traditional fiber drawing process of the present invention, it is breakthrough that high-melting-point, electric conductivity is excellent
Metal (copper) and semiconductor core material (selenium) combine, they are combined in flexible organic fiber, is increased
The conductive capability of device, realize in simple optical fiber selectively formed multiple discrete semiconductor microballoons connections several simultaneously
Join circuit, substantially increase the performances such as responsiveness and noise control, so that sensitivity greatly improves, is obtained for photodetection field
Precision data provides the foundation guarantee.
Detailed description of the invention
Fig. 1 is the end face structure Electronic Speculum shape appearance figure of the highly sensitive photodetection optical fibre device of the present invention；
In figure: 1 represents semiconductor microballoon (selenium)；2 represent metal electrode (copper).
Fig. 2 is in the highly sensitive photodetection optical fibre device preparation process of the present invention, optical fiber thermal induction fibre core semiconductor at
Optical microscopy map after ball.
Specific embodiment
The present invention is more specifically described in detail combined with specific embodiments below.
The highly sensitive photodetection optical fibre device of the present invention comprising fibre cladding, and be parallel in fibre cladding
Semiconductor microballoon is distributed with along the length direction between two plain conductors is discrete, the semiconductor microballoon in two plain conductors
The fixed bridging of opposite end or be welded between two plain conductors, formed by array arrangement between two plain conductors
Semiconductor microballoon photoelectricity compound optical fiber components；As an additional voltage (0-100V) of two plain conductors, with semiconductor
Microballoon forms close access.
The close access is the alternate path of multiple closures, i.e. two plain conductors and semiconductor in an optical fibre device
Trapezoidal (ladder-shaped) connectivity structure of microballoon electrical contact.
The highly sensitive photodetection optical fibre device of the present invention, can be made by the following method:
(1) a diameter 30mm is chosen first, then the PMMA prefabricated rods blank of length 12cm is added PMMA stick
Work is machined with the big cylindrical cavity of one coaxial with prefabricated rods and two small column cavitys in the prefabricated rods；Two roundlets
The axis of column cavity and the axis of prefabricated rods are parallel；
The diameter 3mm, depth 6cm of big cylindrical cavity；
Two small column cavitys are diameter 1mm, depth 10cm respectively；
The open end of big cylindrical cavity and small column cavity is located at the same end of prefabricated rods；
Two small column cavitys are located at the two sides of big cylindrical cavity；
(2) it by the cylindrical cavity of semiconductor selenium stick merging PMMA stick, is then heat-treated at 190 DEG C in a vacuum drying oven
30 minutes, obtain primary preform stick；
(3) copper wire is placed in small column cavity, the drawing optical fiber at 320 DEG C on wire-drawer-tower, with the continuous drawing of optical fiber
Silk, copper wire with drawing process constantly into small column cavity in protrude into, finally obtain a large amount of photoelectricity composite fiber.
Photoelectricity composite fiber end face structure is as shown in Figure 1, optical fiber structure is intact as seen from the figure, two metal electrode materials
(copper wire) is distributed in the two sides of semiconductor core material；
(4) the photoelectricity composite fiber that step (3) obtains is heat-treated under 250~260 DEG C of environment temperatures, due to metal electricity
The fusing point of pole material is greater than semiconductor fibre core material, makes the semiconductor fibre core in big cylindrical cavity using fluid instability at this time
The glomerate semiconductor microballoon of material collapsing, semiconductor microballoon is in discrete shape at this time, and two with metal electrode material composition
Plain conductor forms the connectivity structure of discrete touch, that is, forms the connection of discrete touch semiconductor microballoon between two plain conductors
Structure can be prepared by highly sensitive photodetection optical fibre device；
When the additional voltage of two plain conductors, close access can be formed with semiconductor microactuator ball, be visited for photoelectricity
It surveys.
Fig. 2 is the structure chart after thermal induction balling-up, as seen from the figure, fibre core semiconductor shorten into after microballoon with two electrode materials
Form good contact.
Photoelectricity composite fiber combination drawing process molding of the present invention, by the way that semiconductor core material is placed in big cylindrical cavity
In and after heating, metal electrode material is being placed in small column cavity, is then being drawn into optical fiber, is obtaining photoelectricity complex light
It is fine；Obtained photoelectricity composite fiber is heat-treated a period of time at a certain temperature, induction fibre core semiconductor shortens microballoon acquisition into
The trapezoidal connectivity structure of two electrodes and micro-sphere contacts in whole optical fiber, not only technological means is simple and easy to do, can be at one
It is formed simultaneously multiple alternate paths in optical fiber, substantially increases the density and sensitivity of device, in preparation process, not only optical fiber
Size it is controllable, also simplify preparation process, be easy to high-volume, low cost production.
As described above, the present invention can be better realized.
Embodiment of the present invention are not limited by the above embodiments, other are any without departing from Spirit Essence of the invention
With changes, modifications, substitutions, combinations, simplifications made under principle, equivalent substitute mode should be, be included in of the invention
Within protection scope.
Claims (10)
1. a kind of preparation method of highly sensitive photodetection optical fibre device, it is characterised in that:
Step 1: choosing high molecular material or glass material prepares preform；
And one big cylindrical cavity and two small column cavitys are reserved in the preform；
The axis of the big cylindrical cavity and preform are coaxial；
Two small column cavitys are symmetrically distributed in the two sides of big cylindrical cavity, the axis of big cylindrical cavity and two small column cavitys
Axis it is parallel to each other, and the axis of small column cavity between the axis of preform at a distance to be greater than small column cavity horizontal
The sum of the radius of the radius in section and big cylinder cavity cross section；
Step 2: semiconductor core material is placed in big cylindrical cavity, is then heated under vacuum conditions, to be contained
There are two the primary preform sticks of small column cavity；
Step 3: metal electrode material is placed in two small column cavitys of primary preform stick, then at 200~1000 DEG C
It is drawn under environment temperature, photoelectricity composite fiber is obtained after drawing；
Step 4: the photoelectricity composite fiber that step 3 obtains is heat-treated under 250~260 DEG C of environment temperatures, due to metal electricity
The fusing point of pole material is greater than semiconductor fibre core material, makes the semiconductor fibre core in big cylindrical cavity using fluid instability at this time
The glomerate semiconductor microballoon of material collapsing, semiconductor microballoon is in discrete shape at this time, and two with metal electrode material composition
Plain conductor forms the connectivity structure of discrete touch, that is, forms the connection of discrete touch semiconductor microballoon between two plain conductors
Structure can be prepared by highly sensitive photodetection optical fibre device；
When the additional voltage of two plain conductors, close access can be formed with semiconductor microactuator ball, be used for photodetection.
2. the preparation method of highly sensitive photodetection optical fibre device according to claim 1, it is characterised in that: step 1 institute
The depth for stating big cylindrical cavity is less than or equal to the length of preform, and the depth of small column cavity is less than or equal to predispersed fiber
The length of stick processed；
The radius of the small column cavity is less than the radius of big cylindrical cavity, and small column cavity and big cylindrical cavity same level are horizontal
The sum of diameter in section, less than the shortest distance of the same level cross section figure relative position of preform.
3. the preparation method of highly sensitive photodetection optical fibre device according to claim 2, it is characterised in that: step 2 institute
Stating heat treatment temperature is 100~230 DEG C, and the time is 5~30min.
4. the preparation method of highly sensitive photodetection optical fibre device according to claim 1, it is characterised in that: step 2 institute
Stating semiconductor core material is one of semiconductor selenium, tellurium, arsenic selenide or arsenones or two or more mixing；Step 3
The metal electrode material is copper wire, spun gold, tungsten wire and/or filamentary silver.
5. the preparation method of highly sensitive photodetection optical fibre device according to claim 4, it is characterised in that: semiconductor is fine
Core material is rodlike, powdered, graininess or bulk.
6. the preparation method of highly sensitive photodetection optical fibre device according to claim 1, it is characterised in that: step 3 institute
The diameter for stating photoelectricity composite fiber is 200 μm~3mm.
7. the preparation method of highly sensitive photodetection optical fibre device according to claim 1, it is characterised in that: step 1 institute
Stating high molecular material is polyethersulfone resin, polysulfone resin or polymethyl methacrylate.
8. the preparation method of highly sensitive photodetection optical fibre device according to claim 1, it is characterised in that: step 1 institute
Stating glass material is K9 glass or phosphate glass.
9. the highly sensitive photodetection optical fibre device that preparation method described according to claim 1~any one of 8 obtains, packet
Fibre cladding is included, and two be parallel in fibre cladding piece plain conductor, along the length direction between two plain conductors
It is discrete that semiconductor microballoon is distributed with, the fixed bridging of the opposite end of the semiconductor microballoon or be welded on two plain conductors it
Between, form the photoelectricity compound optical fiber components of the semiconductor microballoon by array arrangement between two plain conductors；When two metals
When the additional voltage of conducting wire, close access is formed with semiconductor microactuator ball.
10. the highly sensitive photodetection optical fibre device that preparation method obtains according to claim 9, which is characterized in that institute
The alternate path that close access is multiple closures is stated, i.e. two plain conductors and semiconductor microballoon are in electrical contact in an optical fibre device
Trapezoidal connectivity structure.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110776253A (en) * | 2019-10-15 | 2020-02-11 | 华南理工大学 | Composite glass optical fiber for synchronously detecting photoelectric signals and preparation method thereof |
| CN111290071A (en) * | 2020-01-22 | 2020-06-16 | 华中科技大学 | Preparation method of semiconductor core optical fiber |
| CN113929808A (en) * | 2021-03-26 | 2022-01-14 | 杭州安誉科技有限公司 | Composite optical fiber based on fluorescence detection system and preparation method thereof |
| CN114355504A (en) * | 2021-12-16 | 2022-04-15 | 中科南京未来能源***研究院 | Preparation method of semiconductor core fiber |
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| CN107129139A (en) * | 2017-04-20 | 2017-09-05 | 华南理工大学 | A kind of metal semiconductor glass photoelectric fiber-optical and preparation method thereof |
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