CN104730624A - Device for realizing conversion between space waves and artificial terahertz surface plasmon polariton (SPP) waves - Google Patents
Device for realizing conversion between space waves and artificial terahertz surface plasmon polariton (SPP) waves Download PDFInfo
- Publication number
- CN104730624A CN104730624A CN201510150073.3A CN201510150073A CN104730624A CN 104730624 A CN104730624 A CN 104730624A CN 201510150073 A CN201510150073 A CN 201510150073A CN 104730624 A CN104730624 A CN 104730624A
- Authority
- CN
- China
- Prior art keywords
- sheet metal
- ripple
- axis
- terahertz
- waves
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/14—Mode converters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/1226—Basic optical elements, e.g. light-guiding paths involving surface plasmon interaction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a device for realizing conversion between space waves and artificial terahertz surface plasmon polariton (SPP) waves. The device comprises a medium substrate and two metal sheets fixedly connected to media to form a mirror-image relation. The metal sheets are provided with grooves arranged periodically. The depths of the grooves gradually increase from the two ends to the middle parts of the metal sheets and keep constant after being increased to a specific value. The widths of the grooves are equal. A gap is formed between one end of one metal sheet and one end of the other metal sheet. The gap is widened from the rear end to the front end in an exponential form until the width of the gap exceeds the width of each metal sheet. The device can realize effective conversion between the terahertz space waves and the SPP waves within a wide frequency range and a large angle range on the basis of novel artificial electromagnetic materials, and has the advantages of being small in size, low in weight, capable of being bent and the like, thereby having good application prospect in terahertz functional devices.
Description
Technical field
The present invention is the conversion equipment of a kind of space wave for Terahertz frequency range and artificial surface phasmon, belongs to Novel manual electromagnetic material field.
Background technology
Surface phasmon (SPP) is a kind of special surface electromagnetic wave pattern, and in optical band, it is present in the interphase (or metal-air interface) of metal-dielectric usually.The ultimate principle that this electromagnetic wave produces is: in optical band, the specific inductive capacity contrary sign of metal and medium, the electromagnetic wave inciding metal-dielectric interface cannot penetrating metal, and can only propagate along interface on interface by local.Along with the extensive research of Novel manual electromagnetic material (Metamaterials), the plasma resonance of (as microwave) and the characteristic of negative permittivity under the metal periodic structure of engineer can realize very low frequency (VLF) rate, based on this special structure can obtain be operated in compared with low-frequency range artificial surface phasmon (SSPP).SSPP is except having the feature identical with optical frequency SPP, and such as significant field local and field strengthen characteristic, the more important thing is that its electromagnetic property can directly be regulated and controled by the geometric parameter of structure.In microwave frequency band and Terahertz frequency range, to have compared to traditional microwave device based on the waveguide of SSPP, the series of new electromagnetic device such as power splitter and coupling mechanism that size is little, the advantage such as low-loss and low crosstalk, therefore there is in circuit and Signal transmissions etc. important application prospect.
SSPP ripple is a kind of trapped surface wave pattern, and its undulate quantity is greater than the momentum of free photon.Therefore be difficult to directly play SSPP ripple with the direct-drive of spatial electromagnetic ripple.Especially, when designing SSPP function element, the efficient conversion of space wave or guided wave and SPP ripple is very crucial technological difficulties.At microwave frequency band, a kind of transition structure based on co-planar waveguide can be utilized to carry out feed, thus excitation produce SPP ripple further, realizes the efficient conversion by guided wave and SPP ripple thus.And in Terahertz frequency range, not easily realized by the mode of guided wave to co-planar waveguide Mode change, easily cause the burden of structure.Especially in terahertz time-domain spectroscopy system, terahertz emission source is space plane ripple, because undulate quantity mismatch, space wave is difficult to be coupled among SPP waveguide.Therefore to be directly converted to the efficiency of SPP ripple very low for space wave, which greatly limits the development and application of Terahertz SSPP device.Terahertz Technology is a popular direction in electromagnetic field and electromagnetic wave field, if a kind of novel THz devices can be designed, can effective conversion of implementation space ripple and SPP ripple, this can start this new field of Terahertz SSPP function element, and will promote the development of Terahertz Technology to a great extent.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of device realizing Terahertz space wave and artificial surface phasmon and change.This device is made up of the metal construction of engineer and dielectric substrate, can realize effective conversion of Terahertz space wave and SSPP ripple, and have the advantages such as size is little, lightweight, bent in wider frequency and larger angular range.
Technical scheme: for achieving the above object, the technical solution used in the present invention is: the device that a kind of implementation space ripple and Terahertz artificial surface phasmon ripple are changed, and comprises dielectric substrate and to be fixedly connected on medium and to form two sheet metals of mirror; Described sheet metal is provided with the groove of periodic arrangement, and the degree of depth of described groove increases from sheet metal two ends gradually to centre, remains unchanged after increasing to particular value, and the width of groove is all equal simultaneously; One end of described sheet metal is provided with gap, and described gap becomes large with exponential form, until exceed sheet metal width by rear end forward end.
Preferred: with the axis of symmetry of two sheet metals for x-axis, straight line perpendicular to x-axis is y-axis, with the intersection point of the line of two sheet metal curved portion right-hand members and x-axis for initial point, set up coordinate system, being then positioned at equivalency index functional equation in gap on the sheet metal in negative y-axis is:
wherein d and h is width and the height of sheet metal curved portion respectively, and s is the distance of slit between two metal sheets, and c is constant, and curve is through fixed point (-d ,-h-s/2) and (0 ,-s/2); And be positioned at equivalency index functional equation in gap on the sheet metal in positive y-axis and be:
wherein d and h is width and the height of sheet metal curved portion respectively, and s is the distance of slit between two metal sheets, and curve is through fixed point (-d, h+s/2) and (0, s/2).
Preferred: the period p=65-85um of described groove; The degree of depth of described groove is at 40-60um; The wide 10-14um of the line of rabbet joint of described groove.
Preferred: described dielectric substrate adopts flexible Rogers 5880 plate.
Beneficial effect: the device that a kind of implementation space ripple provided by the invention and Terahertz artificial surface phasmon ripple are changed, compared to existing technology, has following technique effect:
1. the present invention can effective conversion of implementation space ripple and Terahertz artificial surface phasmon, relative to traditional material and device, present invention greatly enhances the conversion efficiency between space wave and SPP ripple.
2. size of the present invention little, be easy to integrated.This structure is based on Novel manual electromagnetic material, and its unit has sub-wavelength feature, and the microwave material size therefore compared to traditional is much little, easily realizes integrated.
3. the present invention is with Rogers 5880 plate of flexibility for substrate, has prepared ultra-thin metal construction in the above, therefore has the advantages such as bent, ultra-thin, lightweight compared to traditional Meta Materials device.
4. the present invention has the feature of wide operating angle.This structure all has good reception for the Terahertz plane wave of glancing incidence and oblique incidence, and can effectively be converted to SPP ripple, and therefore operating angle wider range, has better application prospect.
Accompanying drawing explanation
Fig. 1 structure drawing of device.
Distribution map of the electric field during Fig. 2 THz wave glancing incidence, wherein monitoring frequency is 0.6THz, and monitoring location is higher than body structure surface distance 15 microns.
The distribution map of the electric field of (plane of incidence is in x-y plane) when Fig. 3 is THz wave oblique incidence, wherein incidence angle θ is 45 °.
The distribution map of the electric field of (plane of incidence is in x-z plane) when Fig. 4 is THz wave oblique incidence, wherein incident angle φ is 45 °.
Wherein, 1 is the first sheet metal, and 2 is the second sheet metal, and 3 is groove, and 4 is gap.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
The device that implementation space ripple and Terahertz artificial surface phasmon ripple are changed, as shown in Figure 1, comprises dielectric substrate and to be fixedly connected on medium and to form two sheet metals of mirror; Described dielectric substrate adopts flexible Rogers 5880 plate.These two sheet metals are respectively the first sheet metal 1 and the second sheet metal 2; Sheet metal is provided with the groove 3 of periodic arrangement, and the degree of depth of described groove 3 increases from sheet metal two ends gradually to centre, remains unchanged after increasing to particular value, and the width of groove is all equal simultaneously; One end of described sheet metal is provided with gap 4, and described gap 4 becomes large with exponential form, until exceed sheet metal width by rear end forward end.
With the axis of symmetry of two sheet metals for x-axis, the straight line perpendicular to x-axis is y-axis, and with the intersection point of the line of two sheet metal curved portion right-hand members and x-axis for initial point, set up coordinate system, being then positioned at equivalency index functional equation in gap on the sheet metal in negative y-axis is:
wherein d and h is width and the height of sheet metal curved portion respectively, and s is the distance of slit between two metal sheets, and c is constant, and curve is through fixed point (-d ,-h-s/2) and (0 ,-s/2); And be positioned at equivalency index functional equation in gap on the sheet metal in positive y-axis and be:
wherein d and h is width and the height of sheet metal curved portion respectively, and s is the distance of slit between two metal sheets, and curve is through fixed point (-d, h+s/2) and (0, s/2).
Period p=the 65-85um of described groove; The degree of depth of described groove is at 40-60um; The wide 10-14um of the line of rabbet joint of described groove.
Example 1
As shown in Figure 2, on low-loss flexible Rogers 5880 medium substrate, prepare slotted metal structure by microlithography method, its unit size is as follows: the horizontal period p=75um of structure; The longitudinal width of structure is 1412um; The wide 12um of the middle line of rabbet joint; The wide 25um of defect in structure, height is 50um.First sheet metal equivalency index functional equation is:
wherein d=1976um, h=812um, s=12um, c=3.。Second sheet metal and the first sheet metal are about x-axis symmetry.CST microwave studio simulation result display (monitoring frequency is 0.6THz, and monitoring location is from body structure surface distance 15 microns), when Terahertz plane wave is incident in the horizontal direction, can effectively excite SPP ripple.
Example 2
As shown in Figure 3, on low-loss flexible Rogers 5880 medium substrate, prepare slotted metal structure by microlithography method, its unit size is as follows: the horizontal period p=75um of structure; The longitudinal width of structure is 1412um; The wide 12um of the middle line of rabbet joint; The wide 25um of defect in structure, height is 50um.First sheet metal equivalency index functional equation is:
wherein d=1976um, h=812um, s=12um, c=3.Second sheet metal and the first sheet metal are about x-axis symmetry.(monitoring frequency is 0.6THz to the display of CST microwave studio simulation result, monitoring location is from body structure surface distance 15 microns), when plane wave is incident along tilted direction, namely the plane of incidence be in x-y plane and electric field has a component in x and y direction simultaneously time (incidence angle θ is 45 °), this structure still can effective conversion of implementation space ripple and SPP ripple.
Example 3
As shown in Figure 4, on low-loss flexible Rogers 5880 medium substrate, prepare slotted metal structure by microlithography method, its unit size is as follows: the horizontal period p=75um of structure; The longitudinal width of structure is 1412um; The wide 12um of the middle line of rabbet joint; The wide 25um of defect in structure, height is 50um.First sheet metal equivalency index functional equation is:
wherein d=1976um, h=812um, s=12um, c=3.。Second sheet metal and the first sheet metal are about x-axis symmetry.(monitoring frequency is 0.6THz to the display of CST microwave studio simulation result, monitoring location is from body structure surface distance 15 microns), when the plane of incidence is in x-z plane (incident angle φ is 45 °), electric field in the y-direction time, this structure also can will accept plane wave and be converted into SPP ripple.
From the above, its structure of the present embodiment is primarily of the Rogers RT5880 dielectric substrate of flexibility and consist of metal construction prepared by microlithography method, wherein metal construction left end has and is similar to Vivaldi antenna structure, can effectively receive Terahertz plane wave, and the slotted metal structure on right side is a kind of waveguide can supporting SPP wave traveling.
The present embodiment simulates the space wave-SPP ripple conversion efficiency of structure shown in Fig. 1 by CST microwave studio, and wherein monitoring frequency is 0.6THz, and monitoring location is from body structure surface distance 15 microns.As shown in Figure 2, when incident plane wave is incident in the x-direction and direction of an electric field is y direction, SPP ripple can effectively be encouraged.Clearly can observe field local in notching construction in the drawings and field strengthens phenomenon, meet the feature of SPP ripple, and reach the SPP wave attenuation of structure right-hand member and not obvious, therefore this structure has the little good characteristic of loss.When plane wave is incident along tilted direction, namely the plane of incidence be in x-y plane and electric field has the component in x and y direction simultaneously time, this structure still can sense space wave component in y-direction, therefore still can effective conversion of implementation space ripple and SPP ripple.Fig. 3 gives distribution map of the electric field when incidence angle θ is 45 °, still can observe SPP wave characteristic in figure near metallic channel.Electric Field Distribution such as the figure of Fig. 4 shows, when the plane of incidence is in x-z plane (incident angle φ is 45 °), electric field in the y-direction time, this structure also still can will accept plane wave and be converted into SPP ripple.
Analog simulation through system is known, and this structure (θ: – 45 ° ~ 45 °, φ: 0 ~ 45 °) can realize effective conversion of Terahertz space wave and SPP ripple in wider angular range, and has certain work bandwidth.This feature makes it under practical application, have larger development prospect.
As from the foregoing, structure of the present invention is based on Novel manual electromagnetic material, effective conversion of Terahertz space wave and SPP ripple can be realized in wider frequency and larger angular range, and there is the advantages such as size is little, lightweight, bent, therefore in Terahertz function element, there is good application prospect
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. the device changed of implementation space ripple and Terahertz artificial surface phasmon ripple, is characterized in that: comprise dielectric substrate and to be fixedly connected on medium and to form two sheet metals of mirror; Described sheet metal is provided with the groove of periodic arrangement, and the degree of depth of described groove increases from sheet metal two ends gradually to centre, remains unchanged after increasing to particular value, and the width of groove is all equal simultaneously; One end of described sheet metal is provided with gap, and described gap becomes large with exponential form, until exceed sheet metal width by rear end forward end.
2. the device changed of implementation space according to claim 1 ripple and Terahertz artificial surface phasmon ripple, it is characterized in that: with the axis of symmetry of two sheet metals for x-axis, straight line perpendicular to x-axis is y-axis, with the intersection point of the line of two sheet metal curved portion right-hand members and x-axis for initial point, set up coordinate system, being then positioned at equivalency index functional equation in gap on the sheet metal in negative y-axis is:
wherein d and h is width and the height of sheet metal curved portion respectively, and s is the distance of slit between two metal sheets, and c is constant, and curve is through fixed point (-d ,-h-s/2) and (0 ,-s/2); And be positioned at equivalency index functional equation in gap on the sheet metal in positive y-axis and be:
wherein d and h is width and the height of sheet metal curved portion respectively, and s is the distance of slit between two metal sheets, and curve is through fixed point (-d, h+s/2) and (0, s/2).
3. the device changed of implementation space according to claim 2 ripple and Terahertz artificial surface phasmon ripple, is characterized in that: the period p=65-85um of described groove; The degree of depth of described groove is at 40-60um; The wide 10-14um of the line of rabbet joint of described groove.
4. the device changed of implementation space according to claim 3 ripple and Terahertz artificial surface phasmon ripple, is characterized in that: described dielectric substrate adopts flexible Rogers 5880 plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150073.3A CN104730624B (en) | 2015-03-31 | 2015-03-31 | It is a kind of to realize space wave and the device of Terahertz artificial surface phasmon ripple conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150073.3A CN104730624B (en) | 2015-03-31 | 2015-03-31 | It is a kind of to realize space wave and the device of Terahertz artificial surface phasmon ripple conversion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104730624A true CN104730624A (en) | 2015-06-24 |
| CN104730624B CN104730624B (en) | 2018-01-16 |
Family
ID=53454693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510150073.3A Active CN104730624B (en) | 2015-03-31 | 2015-03-31 | It is a kind of to realize space wave and the device of Terahertz artificial surface phasmon ripple conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104730624B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006616A (en) * | 2015-07-30 | 2015-10-28 | 上海理工大学 | Terahertz time-domain spectrum system based on ultra-wideband chip |
| CN105703041A (en) * | 2016-03-28 | 2016-06-22 | 南京航空航天大学 | Artificial surface plasmon-based miniaturized low-pass filter |
| CN106486754A (en) * | 2016-10-13 | 2017-03-08 | 东南大学 | A kind of Qie Lunkefu radiation appliance based on artificial surface phasmon |
| CN106785264A (en) * | 2017-01-04 | 2017-05-31 | 梧州学院 | A kind of sawtooth grooves microwave band-pass filter |
| CN107645063A (en) * | 2017-07-28 | 2018-01-30 | 东南大学 | The effective exciting bank of antisymmetric mode based on artificial surface phasmon microcavity |
| CN107885404A (en) * | 2017-09-04 | 2018-04-06 | 深圳市尚维高科有限公司 | Method for detecting position and position sensor based on surface electromagnetic wave |
| CN108390136A (en) * | 2018-01-23 | 2018-08-10 | 西安电子科技大学 | The method for realizing strange mould artificial surface phasmon guided wave based on complementary trapezoidal shape slot |
| CN108919392A (en) * | 2018-07-05 | 2018-11-30 | 鲁东大学 | A kind of linear type surface phasmon lens and its means of illumination |
| CN110146946A (en) * | 2019-06-06 | 2019-08-20 | 桂林电子科技大学 | A kind of Terahertz integrated device of asymmetry warp architecture |
| CN110311290A (en) * | 2019-07-17 | 2019-10-08 | 重庆邮电大学 | A kind of Terahertz multifrequency linear frequency converter based on photosensitive silicon |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856622A (en) * | 2012-09-21 | 2013-01-02 | 东南大学 | Directional coupler on basis of spoof surface plasmon polariton |
| CN103197374A (en) * | 2013-03-12 | 2013-07-10 | 东南大学 | Planar two-waveband surface plasmon waveguide based on composite cycle structure |
| CN104332686A (en) * | 2014-10-31 | 2015-02-04 | 东南大学 | Waveguide structure based on artificial surface plasmon device and amplifier |
-
2015
- 2015-03-31 CN CN201510150073.3A patent/CN104730624B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856622A (en) * | 2012-09-21 | 2013-01-02 | 东南大学 | Directional coupler on basis of spoof surface plasmon polariton |
| CN103197374A (en) * | 2013-03-12 | 2013-07-10 | 东南大学 | Planar two-waveband surface plasmon waveguide based on composite cycle structure |
| CN104332686A (en) * | 2014-10-31 | 2015-02-04 | 东南大学 | Waveguide structure based on artificial surface plasmon device and amplifier |
Non-Patent Citations (1)
| Title |
|---|
| JING ZHANG 等: "Slow light at terahertz frequencies in surface plasmon polariton assisted grating waveguide", 《JOURNAL OF APPLIED PHYSICS 106》 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006616A (en) * | 2015-07-30 | 2015-10-28 | 上海理工大学 | Terahertz time-domain spectrum system based on ultra-wideband chip |
| CN109473757B (en) * | 2015-07-30 | 2020-03-10 | 上海理工大学 | Broadband transmission line chip |
| CN109473757A (en) * | 2015-07-30 | 2019-03-15 | 上海理工大学 | A kind of wideband transmission line chip |
| CN105006616B (en) * | 2015-07-30 | 2018-11-20 | 上海理工大学 | A kind of THz wave time-domain spectral system based on ultra-wideband chip |
| CN105703041A (en) * | 2016-03-28 | 2016-06-22 | 南京航空航天大学 | Artificial surface plasmon-based miniaturized low-pass filter |
| CN105703041B (en) * | 2016-03-28 | 2019-04-16 | 南京航空航天大学 | Miniaturization low-pass filter based on artificial surface phasmon |
| CN106486754A (en) * | 2016-10-13 | 2017-03-08 | 东南大学 | A kind of Qie Lunkefu radiation appliance based on artificial surface phasmon |
| CN106486754B (en) * | 2016-10-13 | 2019-06-25 | 东南大学 | A kind of Qie Lunkefu radiation appliance based on artificial surface phasmon |
| CN106785264A (en) * | 2017-01-04 | 2017-05-31 | 梧州学院 | A kind of sawtooth grooves microwave band-pass filter |
| CN107645063A (en) * | 2017-07-28 | 2018-01-30 | 东南大学 | The effective exciting bank of antisymmetric mode based on artificial surface phasmon microcavity |
| CN107645063B (en) * | 2017-07-28 | 2020-05-05 | 东南大学 | Anti-symmetric mode effective excitation device based on artificial surface plasmon micro-cavity |
| CN107885404A (en) * | 2017-09-04 | 2018-04-06 | 深圳市尚维高科有限公司 | Method for detecting position and position sensor based on surface electromagnetic wave |
| CN107885404B (en) * | 2017-09-04 | 2020-10-16 | 深圳市环波科技有限责任公司 | Position detection method based on surface electromagnetic wave and position sensor |
| CN108390136A (en) * | 2018-01-23 | 2018-08-10 | 西安电子科技大学 | The method for realizing strange mould artificial surface phasmon guided wave based on complementary trapezoidal shape slot |
| CN108919392A (en) * | 2018-07-05 | 2018-11-30 | 鲁东大学 | A kind of linear type surface phasmon lens and its means of illumination |
| CN110146946A (en) * | 2019-06-06 | 2019-08-20 | 桂林电子科技大学 | A kind of Terahertz integrated device of asymmetry warp architecture |
| CN110146946B (en) * | 2019-06-06 | 2024-05-28 | 桂林电子科技大学 | Terahertz integrated device with asymmetric bending structure |
| CN110311290A (en) * | 2019-07-17 | 2019-10-08 | 重庆邮电大学 | A kind of Terahertz multifrequency linear frequency converter based on photosensitive silicon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104730624B (en) | 2018-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104730624A (en) | Device for realizing conversion between space waves and artificial terahertz surface plasmon polariton (SPP) waves | |
| Liao et al. | Broadband transition between microstrip line and conformal surface plasmon waveguide | |
| Alitalo et al. | Electromagnetic cloaking with metamaterials | |
| CN104332686B (en) | Waveguide structure based on artificial surface plasmon device and amplifier | |
| CN101976759B (en) | Equivalent LHM (Left Handed Material) patch antenna of split ring resonators | |
| CN104103882B (en) | A kind of Terahertz Filled Dielectrics metal groove waveguides | |
| CN102856622A (en) | Directional coupler on basis of spoof surface plasmon polariton | |
| CN105576380A (en) | Broadband, high-gain and double-slot Vivaldi antenna | |
| CN104993203A (en) | Trap wave coplanar waveguide based on artificial surface plasmon | |
| Gangaraj et al. | Topologically-protected one-way leaky waves in nonreciprocal plasmonic structures | |
| CN203445242U (en) | Anisotropic fisheye-luneberg ultra-surface lens | |
| CN101976760A (en) | Resonance loop left-handed medium patch antenna | |
| Xu et al. | Tunneling of spoof surface plasmon polaritons through magnetoinductive metamaterial channels | |
| CN110061335A (en) | The preparation method of zero index waveguide structure and zero refraction materials | |
| CN104852254A (en) | Broadband surface Plasmon radiator | |
| Han et al. | A frequency-scanning antenna based on hybridization of the quasi-TEM mode and spoof surface plasmon polaritons mode | |
| Li et al. | Spoof surface plasmonic waveguide and its band-rejection filter based on H-shaped slot units | |
| Wang et al. | Enhancing directivity of terahertz photoconductive antennas using spoof surface plasmon structure | |
| CN106486754A (en) | A kind of Qie Lunkefu radiation appliance based on artificial surface phasmon | |
| CN113534307B (en) | Electric control resonance coupled artificial surface plasmon cascade slow light device | |
| CN104767009A (en) | Filter synthesizing artificial surface plasmon device waveguide and substrate integrated waveguide | |
| CN114665241B (en) | Conversion structure and method of artificial surface plasmon polariton and microstrip line | |
| Soemphol et al. | Metamaterials with near-zero refractive index produced using fishnet structures | |
| Ullah et al. | 2D MXene Ti3C2Tx Enhanced Plasmonic Absorption in Metasurface for Terahertz Shielding | |
| Wang et al. | Guided wave structure of spoof surface plasmon polaritons with ring cavities |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |