CN107748007A - Intensity of illumination detector based on graphene film optical fiber microcavity - Google Patents
Intensity of illumination detector based on graphene film optical fiber microcavity Download PDFInfo
- Publication number
- CN107748007A CN107748007A CN201711214520.2A CN201711214520A CN107748007A CN 107748007 A CN107748007 A CN 107748007A CN 201711214520 A CN201711214520 A CN 201711214520A CN 107748007 A CN107748007 A CN 107748007A
- Authority
- CN
- China
- Prior art keywords
- intensity
- optical fiber
- graphene film
- microcavity
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 63
- 238000005286 illumination Methods 0.000 title claims abstract description 43
- 239000013307 optical fiber Substances 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000010453 quartz Substances 0.000 claims description 52
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 52
- 239000000835 fiber Substances 0.000 claims description 50
- 239000003708 ampul Substances 0.000 claims description 48
- 239000002184 metal Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 238000001228 spectrum Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 6
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 10
- 239000000523 sample Substances 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 239000012188 paraffin wax Substances 0.000 description 17
- 239000007788 liquid Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005411 Van der Waals force Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
Abstract
A kind of intensity of illumination detector based on graphene film optical fiber microcavity, it is related to a kind of intensity of illumination detection system.The probe that the present invention solves existing light power meter is smaller, is only used for the defects of very strong small light spot laser intensity of directionality measures.The intensity of illumination detection system of the present invention receives the energy of radiation of light source using solar panels, convert light energy into electric energy, electric energy produces Joule heat when passing through graphene film in the form of electric current, graphene film shrinks the change of cavity length for causing optical fiber microcavity in the presence of Joule heat, and the output voltage of photodetector changes therewith.The intensity of illumination detection system of the present invention can not only be used for measuring the luminous intensity of the not strong light source of large area light emitting object and directionality, while can greatly improve luminous intensity measurement sensitivity.The present invention is used for intensity of illumination detection technology field.
Description
Technical field
The present invention relates to a kind of intensity of illumination Detection Techniques based on graphene film optical fiber microcavity, and in particular to a kind of
For the device of intensity of illumination detection, belong to intensity of illumination detection technology field.
Background technology
Traditional intensity of illumination detector realizes the measurement to luminous intensity using light power meter mostly, but due to light work(
The size of the probe of rate meter is smaller, typically only 10mm*10mm, then, when using light power meter come measure light source light photograph it is strong
When spending, it is necessary to which the directionality and the size of light source hot spot shone light source light propose higher requirement；Meanwhile traditional illumination is strong
The detectivity of degree detector is relatively low.So in the market is there is an urgent need to the device that a kind of intensity of illumination detects, and this
The use of kind intensity of illumination detector, while light source spot size and light source direction is not only restricted to, it should can be significantly
Improve the sensitivity of detection.
The content of the invention
The brief overview on the present invention is given below, to provide on the basic of certain aspects of the invention
Understand.It should be appreciated that this general introduction is not the exhaustive general introduction on the present invention.It is not intended to determine the pass of the present invention
Key or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides some concepts in simplified form,
In this, as the preamble in greater detail discussed later.
The purpose of the present invention is to solve to be simply possible to use in very strong small of directionality existing for traditional intensity of illumination detector
The problem of the defects of light spot laser luminous intensity measurement and not high intensity of illumination measurement sensitivity.
The present invention adopts the technical scheme that to solve the above problems：A kind of illumination based on graphene film optical fiber microcavity
Intensity detector, including Distributed Feedback Laser, fiber coupler, sensing head, solar panels and photodetector, wherein：
The sensing head is made up of optical fiber microcavity and metal electrode；
The optical fiber microcavity is made up of graphene film, quartz ampoule and single-mode fiber, one end of quartz ampoule and the single-mode fiber
One end phase welding so that quartz ampoule is internally formed a cavity, and the graphene film is covered in the other end of quartz ampoule, institute
The positive pole for stating metal electrode is connected with negative pole by the graphene film；
One end of the solar panels is connected by wire with the positive pole of the metal electrode of sensing head, the solar panels it is another
One end is connected by wire with the negative pole of the metal electrode of sensing head；
The optical signal that the Distributed Feedback Laser is sent enters sensing head after fiber coupler, the optical signal reflected through sensing head
Photodetector is entered by fiber coupler.
The beneficial effects of the invention are as follows：The light that the Distributed Feedback Laser of the present invention is sent enters sensing head through fiber coupler, so
The light reflected by sensing head enters photodetector by fiber coupler, and solar panels of the invention are through electric wire and sensing head
The positive and negative electrode of metal electrode be connected, solar panels can receive the energy of radiation of light source, and convert light energy into electric energy, electricity
Joule heat can be produced when can pass through graphene film in the form of electric current, and graphene film can shrink in the presence of Joule heat
Cause the change of cavity length of optical fiber microcavity, and then cause the output voltage of photodetector to change therewith, therefore pass through photodetection
The change of device output voltage, it is possible to the size of the intensity of illumination of light source is detected, meanwhile, the measurement of intensity will not be by light source
The limitation of spot size and light source direction.
A kind of according to an aspect of the invention, there is provided intensity of illumination detection based on graphene film optical fiber microcavity
Device, being somebody's turn to do the intensity of illumination detector based on graphene film optical fiber microcavity includes solar panels, sensing head, fiber coupler, DFB
Laser, photodetector；Wherein, sensing head includes graphene film, metal electrode, quartz ampoule, single-mode fiber.Quartz ampoule
One end and single-mode fiber welding, the other end are covered by graphene film so that quartz ampoule is internally formed optical fiber microcavity.
Further, the length of quartz ampoule is 50 μm -200 μm, and the internal diameter of quartz ampoule is 20 μm -80 μm, outside quartz ampoule
The external diameter of footpath and single-mode fiber is 125 μm, and the length of single-mode fiber is 50 μm -200 μm, the internal diameter of single-mode fiber for 40 μm -
60μm。
Further, fiber coupler is 1 × 2 fiber coupler.
Further, the length of quartz ampoule is 50 μm -200 μm, and internal diameter is 20 μm -80 μm, and external diameter is 125 μm.
Further, the length of single-mode fiber is 50 μm -200 μm, and internal diameter is 40 μm -60 μm, and external diameter is 125 μm.
Further, the thickness of metal electrode is between 80nm-200nm.
Further, the length of solar panels is 20mm-80mm, width 20mm-80mm.
Further, the centre wavelength of Distributed Feedback Laser is in 1300nm-1600nm, and spectrum width is in 0.01pm-0.1pm.The present invention
The intensity of illumination detector based on graphene film optical fiber microcavity, can not only solve the common light power meter side of being only applicable to
The problem of very strong small light spot laser intensity of tropism measures, moreover it is possible to solve the problems, such as that intensity of illumination measurement sensitivity is low.
By excellent below in conjunction with detailed description of the accompanying drawing to highly preferred embodiment of the present invention, these and other of the invention
Point will be apparent from.
Brief description of the drawings
The present invention can be by reference to being better understood, wherein in institute below in association with the description given by accompanying drawing
Have and same or analogous reference has been used in accompanying drawing to represent same or similar part.The accompanying drawing is together with following
Describe in detail and include in this manual and formed the part of this specification together, and for this is further illustrated
The preferred embodiment of invention and the principle and advantage for explaining the present invention.In the accompanying drawings：
Fig. 1 is that the structure for an example for showing the intensity of illumination detector based on graphene film optical fiber microcavity of the present invention is shown
It is intended to；
Fig. 2 is a kind of schematic diagram for the possible structure for showing the sensing head shown in Fig. 1；
Fig. 3 is the Experimental equipment for an example for showing the sensing head for making the present invention.
In figure：1, Distributed Feedback Laser；2, fiber coupler；3, sensing head；311, graphene film；312, quartz ampoule；313,
Single-mode fiber；32, metal electrode；4, solar panels；5, photodetector.
It will be appreciated by those skilled in the art that element in accompanying drawing is just for the sake of showing for the sake of simple and clear,
And be not necessarily drawn to scale.For example, the size of some elements may be exaggerated relative to other elements in accompanying drawing, with
Just it is favorably improved the understanding to the embodiment of the present invention.
Embodiment
The one exemplary embodiment of the present invention is described hereinafter in connection with accompanying drawing.For clarity and conciseness,
All features of actual embodiment are not described in the description.It should be understood, however, that developing any this actual implementation
It must be made during example much specific to the decision of embodiment, to realize the objectives of developer, for example, symbol
Those restrictive conditions related to system and business are closed, and these restrictive conditions may have with the difference of embodiment
Changed.In addition, it will also be appreciated that although development is likely to be extremely complex and time-consuming, to having benefited from the disclosure
For those skilled in the art of content, this development is only routine task.
Herein, it is also necessary to which explanation is a bit, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings
It illustrate only and according to the closely related apparatus structure of the solution of the present invention and/or processing step, and eliminate and the present invention
The little other details of relation.
Embodiment one, referring to Fig. 1 and 2 illustrate present embodiment.It is thin based on graphene described in present embodiment
The intensity of illumination detection device of film optical fiber microcavity includes Distributed Feedback Laser 1, fiber coupler 2, sensing head 3, solar panels 4 and light
Electric explorer 5, wherein：
The sensing head 3 is made up of optical fiber microcavity and metal electrode 32；
The optical fiber microcavity is made up of graphene film 311, quartz ampoule 312 and single-mode fiber 313, one end of quartz ampoule 312 with
One end phase welding of the single-mode fiber 313 so that quartz ampoule 312 is internally formed a cavity, and the graphene film 311 covers
The other end of quartz ampoule 312 is placed on, the positive pole of the metal electrode 32 is connected with negative pole by the graphene film 311；
One end of the solar panels 4 is connected by wire with the positive pole of the metal electrode 32 of sensing head 3, the solar panels
4 other end is connected by wire with the negative pole of the metal electrode 32 of sensing head 3；
The optical signal that the Distributed Feedback Laser 1 is sent enters sensing head 3 after fiber coupler 2, the light reflected through sensing head 3
Signal enters photodetector 5 by fiber coupler 2.
Distributed Feedback Laser 1 in present embodiment is used for producing laser signal, and laser signal caused by Distributed Feedback Laser 1 passes through
Fiber coupler 2, the light come out from fiber coupler 2 enter sensing head 3, and the optical signal reflected by sensing head 3 is again
Enter photodetector 5 after fiber coupler 2, solar panels 4 are used for receiving the energy of radiation of light source, and luminous energy is converted
Into electric energy, electric energy can produce Joule heat when passing through the graphene film 311 of sensing head 3 in the form of electric current, and graphene film
311 can shrink the change of cavity length for causing optical fiber microcavity in the presence of Joule heat, and then cause the output voltage of photodetector 5
Change therewith, the change of the output voltage by detecting photodetector 5, you can detect the size of the intensity of illumination of light source.
Solar panels 4 are placed parallel to light source, and solar panels 4 receive the energy of radiation of light source, convert light energy into electricity
Can, its variation relation is represented by
（1）
Wherein,IFor intensity of illumination,iFor electric current.
Electric energy produces Joule heat when passing through graphene film 311 in the form of electric current, graphene film 311 is in Joule heat
Effect is lower to shrink the change of cavity length for causing optical fiber microcavity, and its variation relation is represented by
（2）
Wherein,iFor electric current, ΔLFor the change of cavity length amount of optical fiber microcavity, because the unique electronics of graphene and engineering properties make it
It is thermally deformed in sub-micrometer scale, measurement sensitivity is greatly improved so graphene is combined with optical fiber microcavity.
The change of cavity length of optical fiber microcavity causes the output voltage of photodetector 5 to produce corresponding change, its variation relation
It is represented by
（3）
Wherein, ΔLFor the change of cavity length amount of optical fiber microcavity,VFor the output voltage of photodetector.
It can be pushed over out by three above formula
（4）
Therefore, as long as the change of detection photodetector output voltage can draw the illumination intensity of light source.
Embodiment two, referring to Fig. 1 illustrate present embodiment.Present embodiment is to the base described in embodiment one
Fiber coupler 2 is 1 in the further restriction of the intensity of illumination detection device of graphene film optical fiber microcavity, present embodiment
× 2 fiber couplers.
Present embodiment defines that fiber coupler 2 is 1 × 2 fiber coupler, to ensure to reflect by sensing head 3
Optical signal can be input to photodetector 5.
Embodiment three, referring to Fig. 2 illustrate present embodiment.Present embodiment is to the base described in embodiment one
Quartz ampoule 312 in the further restriction of the intensity of illumination detection device of graphene film optical fiber microcavity, present embodiment
Length is 50 μm -200 μm, and internal diameter is 20 μm -80 μm, and external diameter is 125 μm.
Present embodiment defines that the internal diameter of quartz ampoule 312 is 20 μm -80 μm, and the diameter of graphene film 311 is slightly larger than
The internal diameter of quartz ampoule 312 is to ensure that the internal diameter of quartz ampoule 312 is all covered by graphene film 311.
Embodiment four, referring to Fig. 2 illustrate present embodiment.Present embodiment is to the base described in embodiment one
Single-mode fiber 313 in the further restriction of the intensity of illumination detection device of graphene film optical fiber microcavity, present embodiment
Length be 50 μm -200 μm, internal diameter be 40 μm -60 μm, external diameter be 125 μm.
The external diameter that present embodiment further defines single-mode fiber is 125 μm, to ensure quartz ampoule and single-mode fiber
External diameter size matches.
Embodiment five, referring to Fig. 2 illustrate present embodiment.Present embodiment is to the base described in embodiment four
Metal electrode 32 in the further restriction of the intensity of illumination detection device of graphene film optical fiber microcavity, present embodiment
Thickness is between 80nm-200nm.
Embodiment six, referring to Fig. 2 illustrate present embodiment.Present embodiment is to the base described in embodiment four
Solar panels 4 in the further restriction of the intensity of illumination detection device of graphene film optical fiber microcavity, present embodiment
Length is 20mm-80mm, width 20mm-80mm.
Present embodiment defines the magnitude range of solar panels 4, and in actual applications, the sizes of solar panels 4 can be with
It is adjusted as the case may be, to ensure that the intensity of illumination detector based on graphene film optical fiber microcavity of the present invention can be with
The luminous intensity of larger area light source is measured, and is no longer limited to the measurement of the very strong small light spot laser intensity of directionality.
Embodiment seven, referring to Fig. 1 illustrate present embodiment.Present embodiment is to the base described in embodiment one
Distributed Feedback Laser 1 in the further restriction of the intensity of illumination detection device of graphene film optical fiber microcavity, present embodiment
Centre wavelength is in 1300nm-1600nm, and spectrum width is in 0.01pm-0.1pm.
Present embodiment defines the centre wavelength of Distributed Feedback Laser 1 in 1300nm-1600nm, and spectrum width is in 0.01pm-
0.1pm。
The preparation method that the sensing head for making the present invention is described with reference to Fig. 3.
(1) cleaning of graphene：
Because the foreign ion on graphene can be well dissolved in deionized water, therefore graphene is immersed in deionization
Good cleaning performance can be just played in water.The process shifted in order to avoid graphene sample between different liquid
It is middle that breakage occurs, the liquid below graphene can be transferred along using slide in transfer process, graphene was shifting
Still swum in journey on the surface of liquid.
After shifting cleaning for several times, it is placed in clean deionized water after 24 hours, be corroded copper foil
Oneself, through completely eliminated foreign ion, meets the follow-up requirement for preparing device substantially on graphene sample.
(2) single-mode fiber and quartz ampoule welding：
With optical fiber splicer by one end of single-mode fiber and one end phase welding of quartz ampoule.Wherein, the external diameter and stone of single-mode fiber
The external diameter of English pipe is identical, is 125 μm, and the quartz ampoule of different length different inner diameters is chosen according to actual measurement request.This example
In, the length of quartz ampoule is 50 μm -200 μm, and the internal diameter of quartz ampoule is 20 μm -80 μm, and the length of single-mode fiber is 50 μm of -200 μ
M, the internal diameter of single-mode fiber is 40 μm -60 μm.
(3) preparation of metal electrode：
In planar technology, the preparation technology of electrode is comparative maturity, the general method for utilizing photoetching, if it is desired to more accurate one
It may be used if a little and arrive electron beam exposure.And on the quartzy end surfaces inquired into the present invention, because area is too small, no
It is too suitable to use mask blank, it is also difficult to one layer of uniform photoresist film is coated on quartzy end surfaces.Therefore must open
Send a set of technological process for being applied to prepare metal electrode on quartzy end surfaces.Therefore, we used paraffin conduct
The mask of plated film.
Paraffin is the mixture of solid-state higher alkane, typically white, tasteless waxy solid, is melted at 47 DEG C -64 DEG C.
It is solid-state at room temperature using paraffin and heats become liquid slightly, while is soluble in the property of the organic solvents such as carbon tetrachloride
Matter, it is possible to achieve the gold-plated effect in region is carried out on quartz ampoule.
First, one end of the quartz ampoule after corrosion is fixed on slide using adhesive tape, and slide is placed on
Temperature is maintained in 65 DEG C of thermal station, the other end one end phase welding with single-mode fiber of quartz ampoule, and single-mode fiber
The other end is then connected on red laser pen by bare fiber adaptor.Because the sandwich layer of quartz ampoule and the sandwich layer of optical fiber are all equal
Even, so after by quartzy end surfaces, the hot spot on paper is a uniform disk.Then, placed on slide
One fritter paraffin, because the temperature of thermal station is higher than melting point of paraffin wax, paraffin can slowly melt and in the presence of capillary force gradually
Spread to the end face of quartz ampoule.When the liquid level of paraffin is higher than aperture position on quartzy end surfaces, pass through aperture
Light spot shape can change a lot, and now lift down slide from thermal station, allow paraffin to be cooled down and be solidified.
After paraffin terminates, the surface and portion end surface of quartz ampoule（Do not include orifice region）It is exposed upwards
In atmosphere, the paraffin that the remainder and including aperture solidifies after being then melted is protected.Paraffin and quartz will be carried
The slide of pipe is put into can in plated film instrument and plates metal electrode in the exposed part of quartz ampoule.
Also there are some problems to need among consideration when selecting plated film instrument.In this application scenarios, due to metal film
Good electric conductivity is needed, therefore may require that film has certain thickness, meanwhile, need to ensure substrate during plated film
Temperature will be less than paraffin molten point.And conventional plated film mode, such as the mode such as electron beam evaporation, although obtained metal foil
Film quality is fine, but the speed of plated film is very slow, while during plated film, substrate also has a certain degree of heating.For
Solves this problem, we used the magnetron sputtering instrument commonly used during electron microscopyc sample preparation to carry out golden plated film.When this splashes
When penetrating the operating current of instrument and being arranged on 35mA, its golden plated film speed reaches 25nm/min, and plated film four minutes can reach close
100nm thickness, the golden film resistance of such thickness have already decreased to conductive electrode that can be good as one.
After gold-plated end, not by all uniform on the region of paraffin covering, paraffin surface and slide on quartz ampoule
Ground has plated the golden film that a layer thickness is about 100nm.In order to remove the paraffin sticked on quartz ampoule, we are by whole slide
It is put into together with quartz ampoule and paraffin in the carbon tetrachloride solution that temperature is 65 DEG C.Because carbon tetrachloride can dissolve stone well
Wax, therefore after the immersion of ten minutes, the paraffin on quartz ampoule and slide is completely dissolved, and is existed on quartz ampoule including aperture
Also expose to come again by paraffin-protected part before interior, and aerial part exposed before has then plated one layer
Gold, form metal electrode.Electrode can also be prepared in another side of quartz ampoule using same method, forms two electricity
Extremely corresponding structure.
(4) transfer of graphene：
After above three steps, graphene sample and the quartz tube sample with metal electrode have been prepared for finishing, etc.
Treat further transfer process.The transfer process of the present invention has used for reference the transfer method of forefathers, i.e., directly utilizes quartz ampoule and stone
The two is sticked together by the Van der Waals force between black alkene.Idiographic flow is as follows：
As shown in figure 3, the light sent from ASE light sources passes through circulator, the light come out from circulator by single-mode fiber not
Sensing head is inputted with one end of quartz ampoule welding, the light reflected from sensing head again passes by circulator and is input to spectrometer,
To show the reflection case of quartzy end surfaces.In an initial condition, it spectrally cannot make out the phenomenon of resonance.
By quartz tube sample end face down, one is fixed on to be capable of on the adjusting bracket of height up and down；
The quartz ampoule being fixed on adjusting bracket is moved to the top of liquid level where graphene, now due to quartzy end surfaces with
Liquid level forms optical fiber microcavity, and resonance spectrum is observed that on spectrometer, but quartz ampoule end face distance liquid level is farther out, and this is humorous
The free spectrum journey very little for spectrum of shaking；
The height of quartzy end surfaces is slowly decreased, now, the resonance spectrum free spectrum journey shown in spectrometer becomes larger,
When free spectrum journey numerically with measuring small hole depth before when free spectrum journey it is equal when, illustrate quartzy end surfaces oneself through connecing
The liquid level of graphene-containing is contacted；
The height of quartzy end surfaces is reduced slightly so that graphene film fully contacts with quartzy end surfaces, and is kept for several seconds
Graphene and quartzy end surfaces can be closely adhered to together by clock, such Van der Waals force；
The height of quartzy end surfaces is slowly lifted, it is separated with the liquid level of adrift graphene；
The end face of prepared sensing head is observed under the microscope, and confirming graphene, whether oneself is transferred up, and confirms stone
The integrality of black alkene film.
Whole sensing head is put into drying box, is kept for 60 DEG C of three hours of temperature, to remove graphene and quartz
Moisture in pipe surface so that the combination between graphene and quartzy end surfaces is even closer, firm.
4 steps more than, can produce the required sensing head of the present invention, and its structure is as shown in Figure 2.
Experimental data shows that the sensing head made using above method disclosure satisfy that different sensitivity and different range illumination
The measurement request of intensity.
Although describing the present invention according to the embodiment of limited quantity, above description, this technology neck are benefited from
It is in domain it is clear for the skilled person that in the scope of the present invention thus described, it can be envisaged that other embodiments.In addition, it should note
Meaning, the language used in this specification primarily to readable and teaching purpose and select, rather than in order to explain or
Person limits subject of the present invention and selected.Therefore, it is right in the case of without departing from the scope and spirit of the appended claims
Many modifications and changes will be apparent from for those skilled in the art.For the scope of the present invention,
The disclosure done to the present invention is illustrative and not restrictive, and it is intended that the scope of the present invention be defined by the claims appended hereto.
Claims (7)
- A kind of 1. intensity of illumination detector based on graphene film optical fiber microcavity, it is characterised in that the intensity of illumination detection Device includes Distributed Feedback Laser（1）, fiber coupler（2）, sensing head（3）, solar panels（4）And photodetector（5）, wherein：The sensing head（3）By optical fiber microcavity and metal electrode（32）Form；The optical fiber microcavity is by graphene film（311）, quartz ampoule（312）And single-mode fiber（313）Form, quartz ampoule（312） One end and the single-mode fiber（313）One end phase welding so that quartz ampoule（312）It is internally formed a cavity, the stone Black alkene film（311）It is covered in quartz ampoule（312）The other end, the metal electrode（32）Positive pole and negative pole pass through the stone Black alkene film（311）It is connected；The solar panels（4）One end pass through wire and sensing head（3）Metal electrode（32）Positive pole be connected, it is described too Positive energy plate（4）The other end pass through wire and sensing head（3）Metal electrode（32）Negative pole be connected；The Distributed Feedback Laser（1）The optical signal sent passes through fiber coupler（2）Enter sensing head afterwards（3）, through sensing head（3） The optical signal of reflection passes through fiber coupler（2）Into photodetector（5）.
- 2. the intensity of illumination detector according to claim 1 based on graphene film optical fiber microcavity, it is characterised in that institute State fiber coupler（2）For 1 × 2 fiber coupler.
- 3. the intensity of illumination detector according to claim 1 based on graphene film optical fiber microcavity, it is characterised in that institute State quartz ampoule（312）Length be 50 μm -200 μm, internal diameter be 20 μm -80 μm, external diameter be 125 μm.
- 4. the intensity of illumination detector according to claim 1 based on graphene film optical fiber microcavity, it is characterised in that institute State single-mode fiber（313）Length be 50 μm -200 μm, internal diameter be 40 μm -60 μm, external diameter be 125 μm.
- 5. the intensity of illumination detector according to claim 1 based on graphene film optical fiber microcavity, it is characterised in that institute State metal electrode（32）Thickness between 80nm-200nm.
- 6. the intensity of illumination detector according to claim 1 based on graphene film optical fiber microcavity, it is characterised in that institute State solar panels（4）Length be 20mm-80mm, width 20mm-80mm.
- 7. the intensity of illumination detector based on graphene film optical fiber microcavity according to any one of claim 1-6, its It is characterised by, the Distributed Feedback Laser（1）Centre wavelength in 1300nm-1600nm, spectrum width is in 0.01pm-0.1pm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214520.2A CN107748007A (en) | 2017-11-28 | 2017-11-28 | Intensity of illumination detector based on graphene film optical fiber microcavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214520.2A CN107748007A (en) | 2017-11-28 | 2017-11-28 | Intensity of illumination detector based on graphene film optical fiber microcavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107748007A true CN107748007A (en) | 2018-03-02 |
Family
ID=61251816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711214520.2A Pending CN107748007A (en) | 2017-11-28 | 2017-11-28 | Intensity of illumination detector based on graphene film optical fiber microcavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107748007A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715726A (en) * | 2018-07-12 | 2020-01-21 | 中国移动通信集团设计院有限公司 | Visible light detection device and method |
| CN110849470A (en) * | 2018-08-20 | 2020-02-28 | 中国移动通信集团设计院有限公司 | Signal intensity detection system, method and device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306707A (en) * | 2011-08-18 | 2012-01-04 | 北京理工大学 | Photoelectric detector based on colloidal quantum dots and graphene utilized as photoelectrode and manufacturing method thereof |
| CN102735273A (en) * | 2012-06-29 | 2012-10-17 | 中国科学院半导体研究所 | Optical fiber sensor based on Fabry-Perot cavity |
| CN104465295A (en) * | 2014-10-27 | 2015-03-25 | 中国电子科技集团公司第五十五研究所 | Novel micro-channel plate electrode with ion blocking function and manufacturing method thereof |
| CN105576073A (en) * | 2016-02-02 | 2016-05-11 | 合肥工业大学 | Graphene/beta-Ga<2>O<3>-based schottky junction deep ultraviolet photodetector and preparation method thereof |
| CN106225951A (en) * | 2016-08-31 | 2016-12-14 | 江苏能建机电实业集团有限公司 | Sapphire fiber blackbody chamber pyrostat and temp measuring method thereof |
| CN107192449A (en) * | 2017-04-25 | 2017-09-22 | 哈尔滨工程大学 | Based on Fabry Perot chamber interferometry pulsed laser energy sensor and pulsed light energy measuring method |
| CN107250131A (en) * | 2015-02-18 | 2017-10-13 | 株式会社半导体能源研究所 | Organic compound, light-emitting component, display module, lighting module, light-emitting device, display device, electronic equipment and lighting device |
| CN207622866U (en) * | 2017-11-28 | 2018-07-17 | 哈尔滨理工大学 | Intensity of illumination detector based on graphene film optical fiber microcavity |
-
2017
- 2017-11-28 CN CN201711214520.2A patent/CN107748007A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306707A (en) * | 2011-08-18 | 2012-01-04 | 北京理工大学 | Photoelectric detector based on colloidal quantum dots and graphene utilized as photoelectrode and manufacturing method thereof |
| CN102735273A (en) * | 2012-06-29 | 2012-10-17 | 中国科学院半导体研究所 | Optical fiber sensor based on Fabry-Perot cavity |
| CN104465295A (en) * | 2014-10-27 | 2015-03-25 | 中国电子科技集团公司第五十五研究所 | Novel micro-channel plate electrode with ion blocking function and manufacturing method thereof |
| CN107250131A (en) * | 2015-02-18 | 2017-10-13 | 株式会社半导体能源研究所 | Organic compound, light-emitting component, display module, lighting module, light-emitting device, display device, electronic equipment and lighting device |
| CN105576073A (en) * | 2016-02-02 | 2016-05-11 | 合肥工业大学 | Graphene/beta-Ga<2>O<3>-based schottky junction deep ultraviolet photodetector and preparation method thereof |
| CN106225951A (en) * | 2016-08-31 | 2016-12-14 | 江苏能建机电实业集团有限公司 | Sapphire fiber blackbody chamber pyrostat and temp measuring method thereof |
| CN107192449A (en) * | 2017-04-25 | 2017-09-22 | 哈尔滨工程大学 | Based on Fabry Perot chamber interferometry pulsed laser energy sensor and pulsed light energy measuring method |
| CN207622866U (en) * | 2017-11-28 | 2018-07-17 | 哈尔滨理工大学 | Intensity of illumination detector based on graphene film optical fiber microcavity |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715726A (en) * | 2018-07-12 | 2020-01-21 | 中国移动通信集团设计院有限公司 | Visible light detection device and method |
| CN110715726B (en) * | 2018-07-12 | 2021-09-28 | 中国移动通信集团设计院有限公司 | Visible light detection device and method |
| CN110849470A (en) * | 2018-08-20 | 2020-02-28 | 中国移动通信集团设计院有限公司 | Signal intensity detection system, method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Xie et al. | Demonstration of a 3D radar‐like SERS sensor micro‐and nanofabricated on an optical fiber | |
| Zgraggen et al. | Laser direct writing of single-mode polysiloxane optical waveguides and devices | |
| Dasgupta et al. | Optical wireless link between a nanoscale antenna and a transducing rectenna | |
| Chambonneau et al. | Multi-wavelength growth of nanosecond laser-induced surface damage on fused silica gratings | |
| CN207622866U (en) | Intensity of illumination detector based on graphene film optical fiber microcavity | |
| Shivananju et al. | Graphene heterostructure integrated optical fiber Bragg grating for light motion tracking and ultrabroadband photodetection from 400 nm to 10.768 µm | |
| Dabos et al. | Aluminum plasmonic waveguides co-integrated with Si3N4 photonics using CMOS processes | |
| CN107748007A (en) | Intensity of illumination detector based on graphene film optical fiber microcavity | |
| Zhou et al. | All‐dielectric fiber meta‐tip enabling vortex generation and beam collimation for optical interconnect | |
| Arya et al. | Enhancement of R aman scattering signal using photonic nanojet of portable and reusable single microstructures | |
| Riaz et al. | Near‐Infrared Photoresponse of Waveguide‐Integrated Carbon Nanotube–Silicon Junctions | |
| Panchenko et al. | In‐Plane Detection of Guided Surface Plasmons for High‐Speed Optoelectronic Integrated Circuits | |
| Bu et al. | Configurable circular-polarization-dependent optoelectronic silent state for ultrahigh light ellipticity discrimination | |
| Manolis et al. | Bringing Plasmonics into CMOS photonic foundries: aluminum Plasmonics on Si $ _ {3} $ N $ _ {4} $ for biosensing applications | |
| JP2012194020A (en) | Optical device, optical analysis chip and production method of the same | |
| Bryce et al. | Direct UV patterning of waveguide devices in As 2 Se 3 thin films | |
| Symonowicz et al. | Fully Optical in Operando Investigation of Ambient Condition Electrical Switching in MoS2 Nanodevices | |
| Wang et al. | Strong Anisotropy of Multilayer γ‐InSe‐Enabled Polarization Division Multiplexing Photodetection | |
| CN110987227B (en) | Temperature sensor based on graphene micro-nano optical fiber and preparation method thereof | |
| Chen et al. | A microfiber sensor for the trace copper ions detection based on ternary sensitive film | |
| CN105203825B (en) | The preparation method of micro- measuring electrode and the measuring method of thermoelectrical potential and relevant apparatus | |
| Zykov et al. | Photothermocapillary detection of conductive track ruptures on a printed circuit board coated with a protective film | |
| CN102183313B (en) | Temperature measurement system and measurement method based on electro beam scanning microscope environment | |
| Gholipour et al. | Lithography assisted fiber-drawing nanomanufacturing | |
| CN106227000B (en) | The nano-photoetching method of induced with laser transient state thermal probe |
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 |