CN207992057U - A kind of surface plasma waveguide optical sensing devices of grapheme material - Google Patents
A kind of surface plasma waveguide optical sensing devices of grapheme material Download PDFInfo
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- CN207992057U CN207992057U CN201820386140.0U CN201820386140U CN207992057U CN 207992057 U CN207992057 U CN 207992057U CN 201820386140 U CN201820386140 U CN 201820386140U CN 207992057 U CN207992057 U CN 207992057U
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Abstract
The utility model discloses a kind of surface plasma waveguide optical sensing devices of grapheme material, it is characterized in that, including array cylindricality resonant cavity and zigzag strip waveguiding structure, one group of zigzag side that the two sides of the array cylindricality resonant cavity and zigzag strip waveguiding structure are symmetrical set, the two sides of the array cylindricality resonant cavity and zigzag strip waveguiding structure are respectively symmetrically equipped with and array cylindricality resonant cavity and the close-connected semi-conducting material graphene of zigzag strip waveguiding structure and metal material, respectively first group of cylindrical cavity and second group of cylindrical cavity are respectively symmetrically etched with beside metal material and the sawtooth crown position of the close-connected array cylindricality resonant cavity of semi-conducting material graphene and zigzag strip waveguiding structure.This optical sensing devices have the characteristics that adjustability is good, strong antijamming capability.
Description
Technical field
The utility model is related to field of optical measurements, the surface plasma waveguide optics of specifically a kind of grapheme material
Sensing device.
Background technology
Surface plasma resonance (Surface Plasmon Resonance, abbreviation SPR) sensing technology is one very living
The engineering and technological research field of jump is the research to information science, life science and nanotechnology crossing domain.SPR is metal
The phenomenon that free electron collective oscillation that film is generated with the free electron at dielectric interface due to the excitation by evanescent wave.
With the raising at full speed of current micro-nano technology technology, become current integrated photonics by the semiconductor devices of representative of graphene
Popular direction.
Typically, 2016《Advance Materials》Report " Structurally Well-Defined Au@
Cu2−xS Core–Shell Nanocrystals for Improved Cancer Treatment Based on
An Enhanced Photothermal Efficiency " texts, Zhang Jiatao cooperations team of Beijing Institute of Technology realize two for the first time
The collaboration of the different SPR mechanism of kind, coupling effect, the material that they develop is under the irradiation of 808nm laser and 1064nm laser
Photothermal conversion efficiency is up to 59.01% and 43.25%, in addition, in December, 2017,《ACS Nano》Report " Plasmonic
A Nanochemistry Based on Nanohole Array " texts, this Planck research institute of German mark and Jilin University
Cooperation team successfully has developed novel Nano silver grain SPR structures, and the growth based on silver nano-grain follows field distribution
Characteristic not only obtain orderly chemistry production by controlling the field distribution of different incident lights and surface plasma resonance peak
Object array of structures, moreover it is possible to produce more chemical patterns.Although the spr sensor better performances that the above research and design generates,
But the problems such as anti-interference, stability of chemical sensor, causes it certain puzzlement.
By retrieving and looking into new discovery, characteristic is mostly concentrated on for the surface plasma waveguide of grapheme material at present
In research, the design combined for the engineering technology of optical sensing etc. is less.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, and to provide a kind of surface plasma of grapheme material
Body waveguide optical sensing device.This optical sensing devices have the characteristics that adjustability is good, strong antijamming capability.
Realizing the technical solution of the utility model aim is：
A kind of surface plasma waveguide optical sensing devices of grapheme material, unlike the prior art, including
The two of array cylindricality resonant cavity and zigzag strip waveguiding structure, the array cylindricality resonant cavity and zigzag strip waveguiding structure
The two sides of one group of zigzag side that side is symmetrical set, the array cylindricality resonant cavity and zigzag strip waveguiding structure point
It is not arranged with and array cylindricality resonant cavity and the close-connected semi-conducting material graphene of zigzag strip waveguiding structure and gold
Belong to material, respectively with metal material and the close-connected array cylindricality resonant cavity of semi-conducting material graphene and zigzag strip wave
It is respectively symmetrically etched with first group of cylindrical cavity and second group of cylindrical cavity beside the sawtooth crown position of guide structure.
The array cylindricality resonant cavity and zigzag strip waveguiding structure are SiO 2 waveguide structure.
The metal material is metallic gold.
First group of cylindrical cavity and second group of cylindrical cavity are high transmission glass dielectric material.
The quantity of first group of cylindrical cavity and second group of cylindrical cavity and their close-connected battle arrays
Colonnade shape resonant cavity is identical with the sawtooth number of teeth of corresponding sides in zigzag strip waveguiding structure.
The array cylindricality resonant cavity and zigzag strip waveguiding structure are prepared and are etched, the waveguide using flame hydrolysis
The working On The Sawteeth Shape of structure can not only provide coupled room for surface plasma resonance, moreover it is possible to enhance the effect of the photon local of resonant cavity
Fruit.
This optical sensing devices are symmetrically connected by growing the identical graphene of size and golden rectangular waveguide, so first
Afterwards in intermediate etch zigzag strip waveguiding structure, first group of cylindrical cavity is then etched by corresponding sawtooth crown side
With second group of cylindrical cavity, silica, glass are finally deposited into array cylindricality resonant cavity and zigzag strip respectively
In waveguiding structure.
Incident light goes out from the incidence of the side of array cylindricality resonant cavity and zigzag strip waveguiding structure, emergent light from the other side
It penetrates, it is existing that in SiO 2 waveguide structure-borne in gold-medium and graphene-medium interface surface plasma resonance can occur for light
As, and stronger photon local can occur in the resonant cavity of glass medium, and the incidence when meeting surface plasma resonance
Wavelength is that the local peak value of resonant cavity is maximum, by adjusting sawtooth in array cylindricality resonant cavity and zigzag strip waveguiding structure
Angle, size can effectively control refractive index, and then control resonant wavelength, achieve the purpose that optical sensing.
Angle, size by adjusting sawtooth in array cylindricality resonant cavity and zigzag strip waveguiding structure can be controlled effectively
Refractive index is the theory of the surface plasma resonance phenomenon based on plasma.
This optical sensing devices realize the control of emergent light by the strong localization phenomenon of array resonant cavity photon, due to it
In broached-tooth design be relatively easy to control in waveguide design, therefore the optical sensor has the spies such as the good, strong antijamming capability of adjustability
Point.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment.
In figure, 1. incident light, 2. emergent light, 3. first groups of cylindrical cavity 3-1., second group of cylindrical cavity 4.
6. metallic gold of array cylindricality resonant cavity and 5. graphene of zigzag strip waveguiding structure.
Specific implementation mode
The utility model content is further elaborated with reference to the accompanying drawings and examples, but is not to the utility model
Restriction.
Embodiment：
Referring to Fig.1, the surface plasma waveguide optical sensing devices of a kind of grapheme material, unlike the prior art
It is, including array cylindricality resonant cavity and zigzag strip waveguiding structure 4 the array cylindricality resonant cavity and zigzag strip waveguide
One group of zigzag side that the two sides of structure 4 are symmetrical set, the array cylindricality resonant cavity and zigzag strip waveguiding structure 4
Two sides respectively symmetrically be equipped with and 4 close-connected semi-conducting material of array cylindricality resonant cavity and zigzag strip waveguiding structure
Graphene 5 and metal material 6, respectively with 5 close-connected array cylindricality resonant cavity of metal material 6 and semi-conducting material graphene
It is respectively symmetrically etched with first group of cylindrical cavity 3 and second with beside the sawtooth crown position of zigzag strip waveguiding structure
Group cylindrical cavity 3-1.
The array cylindricality resonant cavity and zigzag strip waveguiding structure 4 are SiO 2 waveguide structure.
The metal material 6 is metallic gold.
First group of cylindrical cavity 3 and second group of cylindrical cavity 3-1 are high transmission glass medium material
Material.
The quantity of first group of cylindrical cavity 3 and second group of cylindrical cavity 3-1 are closely connect with them
Array cylindricality resonant cavity it is identical with the sawtooth number of teeth of corresponding sides in zigzag strip waveguiding structure 4.
The array cylindricality resonant cavity and zigzag strip waveguiding structure 4 are prepared and are etched, the wave using flame hydrolysis
The working On The Sawteeth Shape of guide structure can not only provide coupled room for surface plasma resonance, moreover it is possible to enhance the photon local of resonant cavity
Effect.
This optical sensing devices are symmetrically connected by growing the identical graphene of size and golden rectangular waveguide, so first
Afterwards in intermediate etch zigzag strip waveguiding structure, first group of cylindrical cavity is then etched by corresponding sawtooth crown side
3 and second group of cylindrical cavity 3-1, finally deposits to array cylindricality resonant cavity and zigzag by silica, glass respectively
In strip waveguiding structure 4.
Incident light 1 is from the incidence of the side of array cylindricality resonant cavity and zigzag strip waveguiding structure 4, and emergent light 2 is from another
Side is emitted, and it is total that in SiO 2 waveguide structure-borne in gold-medium and graphene-medium interface surface plasma can occur for light
It shakes phenomenon, and stronger photon local can occur in the resonant cavity of glass medium, and when meeting surface plasma resonance
Incident wavelength is that the local peak value of resonant cavity is maximum, by adjusting in array cylindricality resonant cavity and zigzag strip waveguiding structure 4
Angle, the size of sawtooth can effectively control refractive index, and then control resonant wavelength, achieve the purpose that optical sensing.
Angle, size by adjusting sawtooth in array cylindricality resonant cavity and zigzag strip waveguiding structure 4 can be controlled effectively
Refractive index processed is the theory of the surface plasma resonance phenomenon based on plasma.
Claims (5)
1. a kind of surface plasma waveguide optical sensing devices of grapheme material, characterized in that including array cylindricality resonance
The two sides of chamber and zigzag strip waveguiding structure, the array cylindricality resonant cavity and zigzag strip waveguiding structure are in symmetrically to set
The two sides of the one group of zigzag side set, the array cylindricality resonant cavity and zigzag strip waveguiding structure respectively symmetrically be equipped with
Array cylindricality resonant cavity and the close-connected semi-conducting material graphene of zigzag strip waveguiding structure and metal material, respectively with
The sawtooth of metal material and semi-conducting material graphene close-connected array cylindricality resonant cavity and zigzag strip waveguiding structure
It is respectively symmetrically etched with first group of cylindrical cavity and second group of cylindrical cavity beside crown position.
2. the surface plasma waveguide optical sensing devices of grapheme material according to claim 1, characterized in that institute
It is SiO 2 waveguide structure to state array cylindricality resonant cavity and zigzag strip waveguiding structure.
3. the surface plasma waveguide optical sensing devices of grapheme material according to claim 1, characterized in that institute
It is metallic gold to state metal material.
4. the surface plasma waveguide optical sensing devices of grapheme material according to claim 1, characterized in that institute
It is high transmission glass dielectric material to state first group of cylindrical cavity and second group of cylindrical cavity.
5. the surface plasma waveguide optical sensing devices of grapheme material according to claim 1, characterized in that institute
State the quantity and their close-connected array cylindricality resonance of first group of cylindrical cavity and second group of cylindrical cavity
Chamber is identical with the sawtooth number of teeth of corresponding sides in zigzag strip waveguiding structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820386140.0U CN207992057U (en) | 2018-03-21 | 2018-03-21 | A kind of surface plasma waveguide optical sensing devices of grapheme material |
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| CN201820386140.0U CN207992057U (en) | 2018-03-21 | 2018-03-21 | A kind of surface plasma waveguide optical sensing devices of grapheme material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387556A (en) * | 2018-03-21 | 2018-08-10 | 广西师范大学 | A kind of surface plasma waveguide optical sensing devices of grapheme material |
| CN109786914A (en) * | 2019-03-15 | 2019-05-21 | 电子科技大学 | A kind of compact-sized X-shaped artificial surface plasma filled waveguide |
-
2018
- 2018-03-21 CN CN201820386140.0U patent/CN207992057U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387556A (en) * | 2018-03-21 | 2018-08-10 | 广西师范大学 | A kind of surface plasma waveguide optical sensing devices of grapheme material |
| CN109786914A (en) * | 2019-03-15 | 2019-05-21 | 电子科技大学 | A kind of compact-sized X-shaped artificial surface plasma filled waveguide |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20190321 |