EP3485534B1 - Steuerbare multifunktionelle frequenzselektive oberfläche - Google Patents

Steuerbare multifunktionelle frequenzselektive oberfläche Download PDF

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Publication number
EP3485534B1
EP3485534B1 EP17737819.7A EP17737819A EP3485534B1 EP 3485534 B1 EP3485534 B1 EP 3485534B1 EP 17737819 A EP17737819 A EP 17737819A EP 3485534 B1 EP3485534 B1 EP 3485534B1
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Prior art keywords
coupling components
control
assembly
coupling
value
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English (en)
French (fr)
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EP3485534A1 (de
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Kevin RUBRICE
Mohammed HIMDI
Xavier Castel
Patrick Parneix
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Centre National de la Recherche Scientifique CNRS
Universite de Rennes 1
Naval Group SA
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Centre National de la Recherche Scientifique CNRS
Universite de Rennes 1
Naval Group SA
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
    • H01Q15/002—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective said selective devices being reconfigurable or tunable, e.g. using switches or diodes

Definitions

  • the present invention relates to a frequency-selective surface device, comprising a substrate, an array of elementary conductive patterns printed on at least one surface of said substrate, and an array of coupling components, each coupling component connecting two adjacent conductive elementary patterns, each coupling component having a modifiable capacity by application of a command.
  • the frequency selective surface devices are elements known in the field of electromagnetism, having the capacity, depending on their configuration, to reject certain frequencies or, on the contrary, to transmit certain frequencies. These devices are generally produced in the form of periodic surfaces made up of an ordered arrangement on a substrate of electrically conductive passive elements, forming patterns. When this arrangement of elements is subjected to an incident plane electromagnetic wave, it is partly transmitted and partly reflected.
  • the amplitude of the transmitted wave is equal to 0, the energy being reflected or scattered on the side of the incident wave.
  • This type of surface thus behaves either like a band-pass filter, i.e. allowing electromagnetic waves to pass at a given frequency, or like a notch filter, i.e. rejecting waves. electromagnetic at a given frequency.
  • variable capacitors or diodes electrically controllable, into devices with a frequency-selective surface, thus making it possible to vary the operating frequency of the device.
  • An objective of the invention is therefore to provide a device with a frequency selective surface which is multifunctional, that is to say which can operate selectively, in response to a command, in band-stop mode and in band-pass mode. .
  • the subject of the invention is a device according to claim 1.
  • the device according to the invention can comprise one or more of the characteristics of claims 2 to 13.
  • the subject of the invention is also a frequency selective surface system according to claim 14.
  • FIGS. 1 and 2 illustrate a device 2 with a frequency selective surface according to one embodiment of the invention, hereinafter simply called device 2.
  • the device 2 comprises a substrate 4, and an array 6 of conductive elements 8 printed on at least one surface of the substrate.
  • the conductive elements 8 form on the surface of the substrate elementary patterns forming together a regular network, and will subsequently be called elementary conductive patterns 8.
  • the substrate 4 is for example planar.
  • the substrate 4 is preferably made of a dielectric material, having dielectric characteristics, in particular a real permittivity and a loss tangent, which are low.
  • the real permittivity of the material forming the substrate is less than 25 and its loss tangent is less than 0.1.
  • the substrate is a dielectric substrate NX9300 marketed by the company NELTEC® having a real permittivity equal to 3 and a loss tangent equal to 0.0023.
  • the substrate can be made of a monolithic composite material.
  • the elementary conductive patterns 8 are made of an electrically conductive material.
  • the elementary conductive patterns 8 are of identical shapes.
  • the elementary conductive patterns 8 are circular patterns forming rings.
  • the diameter of the rings is chosen in particular as a function of the working frequency targeted for the application.
  • the elementary conductive patterns 8 are arranged so as to form a network, in particular a row-column network.
  • the term “row-column network” is understood to mean that the elementary conductive patterns 8 are aligned both along rows and along columns.
  • each elementary conductive pattern 8 with the exception of the elementary conductive edge or corner patterns, is thus adjacent to two elementary conductive patterns along a row and to two other elementary conductive patterns along a column.
  • the elementary conductive patterns 8 are disjoint.
  • the term “disjoint” is understood to mean that the elementary units are not connected to one another, in the absence of the coupling components described below.
  • the device 2 further comprises a plurality of coupling components 12 (not shown in the figure).
  • Figure 1 configured to couple the elementary conductor patterns 8 two-by-two, as well as an assembly 14 for controlling the coupling components 12.
  • band-pass mode a mode in which the device 2 transmits only electromagnetic radiation the frequency of which lies in at least one frequency band between a low cut-off frequency and a high cut-off frequency.
  • Bandstop mode will also be called a mode in which the device 2 transmits only electromagnetic radiation the frequency of which is not included in a frequency band between a low cut-off frequency and a high cut-off frequency, and centered around of a resonant frequency.
  • resonant frequencies will be designated by extension as the operating frequency of the device, in band-pass mode or in band-stop mode.
  • the coupling components 12 and the control assembly 6 thus make it possible, in combination, to selectively vary the operating mode, band-cut or band-pass, of the device 2, which was, in the absence of these elements. , fixed.
  • the coupling components 12 and the control assembly 14 also make it possible to selectively vary the operating frequency of the device 2, the latter also being, in the absence of these elements, fixed.
  • the coupling components 12 connect the elementary conductor patterns 8 two-by-two, each coupling component 12 connecting two elementary conductor patterns 8 adjacent.
  • each elementary conductor pattern 8 is connected to each of the elementary conductor patterns 8 which are adjacent to it by a single component 12 of coupling.
  • each coupling component 12 connects two elementary conductive patterns 8 adjacent in a row or in a column.
  • the coupling components 12 therefore form, like the elementary conductive patterns 8, a row-column network.
  • the coupling components 12 are variable capacitance capacitors.
  • each coupling component 12 in particular the value of its capacitance, can therefore be modified by applying a command to this coupling component 12, the coupling component 12 being forward or reverse biased.
  • the coupling components 12 are identical to each other.
  • each coupling component 12 is able to function as a capacitor, the capacity of which is variable as a function of an electrical command, in particular of the electrical voltage applied to its terminals.
  • the coupling components 12 are for example varicaps, in particular MOS varicaps, varicap diodes or ferroelectric varicaps.
  • the coupling components can be MEMS, NEMs, PIN diodes, liquid crystal based components, Schottky diodes, or FET transistors.
  • the coupling components 12 are electrically controllable.
  • varicaps 12 are ferroelectric varicaps, they can be driven by being reverse biased or forward biased.
  • ferroelectric varicaps can also be thermally controllable. Each ferroelectric varicap is then able to operate as a variable capacitor, the capacity of which is variable as a function of a thermal command which is applied to it with a view to fixing its temperature at a given operating temperature.
  • such ferroelectric, thermally controllable varicaps can be varicaps of BST (Ba 1-x Sr x TiO 3 ).
  • BST varicaps are advantageous, because they are controllable both electrically (in reverse and in direct) and thermally, and essentially require the application of a potential difference, and thus do not consume energy. .
  • a BST varicap can have a variable capacitance that can take values between 3.2 pF and 0.7 pF when the voltage across it varies from 0 V to 20 V, the capacitance being a decreasing function of the value. absolute of the applied voltage.
  • the coupling components 12 are chosen as a function of the desired application, in particular as a function of the range of capacitances that can be obtained by varying the voltage at their terminals or by varying their temperature.
  • the coupling components 12 of the device 2 can be controlled according to two distinct modes, corresponding to the two operating modes of the device, that is to say the bandpass mode and the bandstop mode.
  • the coupling components 12 are ordered by group, each group of coupling components 12 comprising at least a first coupling component connecting a first elementary pattern to a second elementary pattern which is adjacent to it, and a second coupling component, connecting the first elementary pattern to a third elementary pattern which is adjacent to it.
  • the capacitances of the coupling components of a given group are therefore equal to each other.
  • the groups of coupling components are disjoint, that is, each coupling component belongs to a single group.
  • each group of coupling components is a pair of coupling components.
  • Each pair is formed of a first coupling component 12a, connecting a first elementary pattern to a second elementary pattern which is adjacent to it along a line, and of a second coupling component 12b, connecting the first elementary pattern to a third pattern elementary which is adjacent to it in a column.
  • the capacitance of the first coupling component of a pair is therefore always the same as the capacitance of the second coupling component of this pair.
  • the pairs of coupling components are disjoint, that is, each coupling component belongs to a single pair.
  • the coupling components interconnecting the elementary conductive patterns of an end line for example the last line
  • the coupling components interconnecting the elementary conductive patterns of an end column do not belong to a group or pair of coupling components. These coupling components are therefore omitted.
  • capacitance of a group for example of a pair
  • capacitance of the coupling components of this group is therefore meant the common value of the capacitance of the coupling components of this group (in particular of the first coupling component and of the second coupling component of a pair).
  • first set of groups of coupling components and a second set of groups of coupling components, which are separate and complementary.
  • each of the first and second complementary sets is formed of pairs of non-adjacent two-by-two coupling components, ie non-adjacent in line and non-adjacent in columns.
  • each pair of coupling components 20a of the first set is adjacent only to pairs of coupling components 20b of the second set, and conversely, each pair of coupling components 20b of the second set is adjacent only to pairs of coupling components 20a of the first set.
  • pair of adjacent coupling components is understood to mean two pairs of coupling components which both comprise coupling components connecting the same elementary conductive pattern to other elementary patterns. Conversely, two pairs of non-adjacent coupling components are such that no elementary conductive pattern connected to an elementary pattern by a coupling component of a first of these pairs is connected to an elementary pattern by a coupling component of the second of these pairs.
  • the coupling components are controlled so as to all have the same capacity.
  • the capacitance of all the groups of coupling components is fixed at the same value.
  • the capacitance of the groups of coupling components of the first set is set to a first value
  • the capacitance of the groups of coupling components of the second set is set to a second value. , distinct from the first value, so that the ratio of the capacity C min to the value of the capacity C max (C min / C max ) remains less than 0.90.
  • the control assembly 14 is configured to selectively control the value of the capacitances of the groups of coupling components 12, according to the first mode or according to the second mode described above.
  • control assembly 14 is further configured to vary the value of the capacitance of the assembly of the groups 20a, 20b of coupling components 12, in order to vary the operating frequency of the device in bandstop mode, that is to say the center frequency of the band not transmitted.
  • the operating frequency increases when the value of the capacitance of the coupling components decreases.
  • control assembly 14 is further configured to vary the value of the capacitance of the coupling components of the first set of coupling components and / or of the second set of coupling components, in order to vary the operating frequency of the device 2 in bandpass mode, that is to say the central frequency of the transmitted band.
  • control assembly 14 is also configured to vary the value of the capacitance of the coupling components of the first set of coupling components and / or of the second set of coupling components, with a view to vary the width of the bandwidth.
  • the increase in the value of the C min / C max ratio towards 1 decreases the width of the pass band and conversely, the decrease of the C min / C max ratio towards 0 increases the width of the pass band.
  • control assembly 14 comprises a plurality of control modules of the coupling components 12, configured to control the components. coupling 12 in order to vary the capacity thereof, and a control unit 26, configured to control the control modules according to the band-stop or band-pass mode desired and / or according to the desired operating frequency.
  • control unit 26 configured to control the control modules according to the band-stop or band-pass mode desired and / or according to the desired operating frequency.
  • the control modules 24 are each associated with a given group of coupling components, each coupling component being associated with a single control module.
  • Each control module 24 is configured to control the value of the capacitances of the coupling components of the group associated with it.
  • each control module is configured to control the value of the capacitances of the coupling components 12a, 12b of the group 20a or 20b which is associated with it, in response to a command from the control unit 26.
  • the control unit 26 comprises a processor 28 and a memory 30.
  • the memory 30 comprises at least one storage area 32 in which are stored, for each bandstop and bandpass mode, magnitudes representative of the values of the capacitances associated with several given operating frequencies.
  • the storage zone 32 comprises, for each possible operating frequency, the value of the quantity representative of the value of all the capacitors making it possible to reach this operating frequency.
  • the storage area 32 comprises, for each of a plurality of possible operating frequencies, possibly associated with a pass-band width, a pair of values, comprising the value of the quantity representative of the capacitance groups of coupling components of the first set and the value of the magnitude representative of the capacity of the groups of coupling components of the second set, making it possible to achieve this operating frequency and, where appropriate, the passband width.
  • Each quantity representative of the value of a capacitor is for example the value of the capacitor itself, a voltage value to be applied to the terminals of the coupling component to obtain this capacitance, or a temperature value to be imposed on the component. coupling to obtain this capacity.
  • the memory 30 also comprises a control application 36, suitable for being executed by the processor 28.
  • control application 36 When a given mode of operation, bandstop or bandpass, a given resonant frequency and possibly a width of passbands are targeted, the control application 36 is configured to extract from the storage area 32 the values of the quantities representative of the capacities of the different groups of coupling components making it possible to obtain operation of the device 2 according to the target mode and the target operating frequency. Furthermore, the control application 36 is configured to control the control modules 24 by transmitting to each control module 24 the value of the quantity representative of the capacity of the group of coupling components associated with this module.
  • the operating mode, the operating frequency and the bandwidth width are for example entered by an operator by means of a suitable man-machine interface connected to the control unit 26, or are provided by another connected system. to the control unit 26.
  • the control assembly 14 is adapted to apply an electrical command to the coupling components 12, in order to control the value of the capacitances of the groups of coupling components 12.
  • the magnitude representative of the value of the capacitance of a coupling component 12 is for example the voltage to be applied to the terminals of the coupling component in order to obtain this capacitance value.
  • the control unit 26 is thus configured to control to each control module 24 the application of a predetermined electrical voltage across the capacitors of a group 20a or 20b of coupling components 12, depending on the operating mode of the target operating frequency, and possibly the target bandwidth, and each control module 24 is configured to apply the electrical voltage commanded by the control unit 26 to the terminals of the coupling components 12 of the group of coupling components 12.
  • the control unit 26 comprises two variable voltage sources, each connected, via electrical ramifications, to the groups of coupling components of the first set or of the second set respectively.
  • the two voltage sources generate a voltage at the same value, while to obtain bandpass operation, the voltages generated by the two voltage sources voltage differ. In these two modes, the voltages generated depend on the target operating frequency.
  • the control assembly 14 is adapted to apply a thermal command to the coupling components 12, in order to control the value of the capacitances of the groups 20a, 20b of coupling components. 12.
  • the magnitude representative of the value of the capacitance of a coupling component 12 is for example the temperature which must be imposed on the coupling component 12 in order to obtain this capacitance value.
  • the control unit 26 is thus configured to command each control module 24 to apply a predetermined temperature to a group of coupling components, and each control module 24 is configured to apply the temperature controlled by the unit. 26 control to the coupling component group 12.
  • control modules 24 can be chosen from Peltier modules, heating resistors, or pyro-optical control means.
  • a frequency selective surface device was fabricated from a 0.78 mm thick substrate, made of a material having a real permittivity equal to 3 and a loss tangent equal to 0 , 0023.
  • a plurality of elementary conductive patterns of circular shape have been printed on this substrate, the elementary patterns forming a row-column network.
  • Each elementary pattern forms a ring with an internal diameter equal to 23 mm, the width of the strip forming the ring being 0.5 mm.
  • Each elementary pattern occupies a square cell with a side of 25 mm. The different elementary patterns are therefore disjoint.
  • Varicaps were inserted to connect the different elementary patterns, as described above.
  • Varicaps are varicaps of BST, the capacitance of which varies from 3.2 pF to 0.7 pF when the voltage across them varies from 0 V to ⁇ 20 V.
  • Electrical ramifications have also been printed on the substrate in order to link each pair of varicaps of a first set, as described above, to a first voltage source, and in order to connect each pair of varicaps of a second together to a second voltage source.
  • the frequency response of this device was tested in bandstop mode by applying several voltage values to the terminals of the varicaps, the same voltage being generated by the first and the second voltage sources.
  • Three Voltage values were tested, corresponding to three capacitance values for all of the varicaps, respectively equal to 3.2 pF, 1.85 pF and 0.7 pF.
  • Electromagnetic waves were emitted on the device, with a zero angle of incidence and vertical polarization, and the transmitted waves were analyzed in order to determine the reflection coefficient S 11 and the transmission coefficient S 21 as a function of the frequency , for frequencies between 0.5 and 2.2 GHz.
  • the Figures 3 and 4 thus illustrate the variation of the reflection coefficient S 11 and of the transmission S 21 respectively as a function of the frequency, for capacitance values equal to 3.2 pF (curve A), 1.85 pF (curve B) and 0, 7 pF (curve C).
  • the Figure 4 shows in particular a displacement of the resonant frequency of the device, that is to say of the central frequency of the non-transmitted band, towards higher frequencies when the value of the capacitors decreases.
  • Electromagnetic waves were emitted on the device, with zero angle of incidence and vertical polarization, and the reflected and transmitted waves were analyzed to determine the reflection coefficient S 11 and the transmission coefficient S 21 as a function of the frequency, for frequencies between 0.5 and 2.2 GHz.
  • the Figures 5 and 6 thus illustrate the variation of the reflection coefficient S 11 and of the transmission coefficient S 21 respectively as a function of the frequency, for these four pairs of capacitor values.
  • the curve D illustrates the variation of the reflection coefficient S 11 and of the transmission coefficient S 21 respectively as a function of the frequency for the pair of capacitor values 2.3 / 3.2 pF.
  • Curve E illustrates the variation of the reflection coefficient S 11 and of the transmission coefficient S 21 respectively as a function of the frequency for the pair of capacitor values 1.5 / 2.9 pF.
  • Curve F illustrates the variation of the reflection coefficient S 11 and of the transmission coefficient S 21 respectively as a function of the frequency for the pair of capacitor values 0.7 / 3.2 pF.
  • the curve G illustrates the variation of the reflection coefficient S 11 and of the transmission coefficient S 21 respectively as a function of the frequency for the pair of capacitor values 0.7 / 1.5 pF.
  • the operation of the device is indeed that of a band-pass filter, the operating frequency of which, corresponding to the central frequency of the transmitted frequency band, varies when the absolute values of capacitance C min and C max of the torque vary.
  • the width of the pass band when the value of the C min / C max ratio of the torque varies.
  • the width of the passband with an opening at -3 dB, from 0.010 GHz to 0.150 GHz.
  • the couple 2.3 / 3.2 pF (Curve D) makes it possible to obtain a very narrow band-pass mode, due to the C min / C max ratio close to 1.
  • the frequency-selective surface device is therefore multifunctional, in that it is able to function selectively as a band-stop or as a band-pass, in response to a command, as a function of the targeted applications.
  • this device is controllable in frequency, the operating frequency and the width of the passband being able to be modified, by application of a command, according to the need.
  • the device offers bandwidths which can reach higher values than those offered by traditional devices.
  • Such a device is suitable for being integrated into a composite structural wall, without degrading its mechanical properties. It will nevertheless be understood that only the substrate on which are printed the elementary conductive patterns and possibly the ramifications, and the coupling components, are integrated into the wall, the control unit being able to be deported outside the wall.
  • this device can be integrated in a composite wall of monolithic type or in a composite wall of sandwich type, in particular by insertion between two composite plies, or at the interface between the core and a skin of the sandwich, or still in insertion within the soul in a perfectly parallel to the faces of the structure (for example by bonding between two plates of materials constituting the core).
  • the integration of devices according to the invention in a structural wall of a carrier makes it possible to modify the radar signature thereof.
  • Such a system thus comprises several devices according to the invention which share the same substrate, and possibly the same control unit.
  • the networks 6 of elementary conductive patterns 8 of the different devices 2 are arranged in rows and columns, to form a regular global network of elementary patterns.
  • each of the devices 2 in particular its mode of operation as a band-stop or as a band-pass, its operating frequency and possibly its passband width, however, remains controllable independently of the other devices 2 of the device. system 30.
  • some devices 2 may be ordered to function as band passers, the other devices 2 being commanded to operate as band cutters.
  • the conductive elementaries are not necessarily circular (solid rings and discs) but can be elliptical, square, rectangular, hexagonal, Jerusalem cross, etc.

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Claims (14)

  1. Vorrichtung (2) mit frequenzselektiver Fläche, aufweisend ein Substrat (4), ein Netzwerk (6) aus elementaren leitfähigen Mustern (8), welche auf eine Fläche des Substrats (4) gedruckt sind und zusammen ein regelmäßiges Gitter bilden, und ein Netzwerk von Verbindungskomponenten (12, 12a, 12b), wobei jede Verbindungskomponente (12) zwei benachbarte, elementare leitfähige Muster (8) verbindet, wobei jede Verbindungskomponente (12, 12a, 12b) eine durch Anlegen eines Befehls modifizierbare Kapazität hat,
    wobei die Vorrichtung (2) ferner eine Steuereinrichtung (14) aufweist, welche dazu eingerichtet ist, selektiv den Wert von Kapazitäten von Gruppen (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) zu steuern auf selektive Weise gemäß:
    - einem ersten Modus, in welchem die Kapazität aller Gruppen (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) auf einen gleichen Wert festgelegt wird, um die Vorrichtung (2) im Bandsperre-Modus zu betreiben,
    - einem zweiten Modus, in welchem die Kapazität der Verbindungskomponenten (12, 12a, 12b) eines ersten Satzes von Gruppen (20a) an Verbindungskomponenten (12, 12a, 12b) auf einen ersten Wert festgelegt wird und die Kapazität der Verbindungskomponenten (12, 12a, 12b) eines zum ersten Satz komplementären zweiten Satzes von Gruppen (20b) an Verbindungskomponenten (12, 12a, 12b) auf einen zweiten Wert, welcher von dem ersten Wert verschieden ist, festgelegt wird, um die Vorrichtung (2) im Bandpass-Modus zu betreiben,
    wobei jede Gruppe (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) eine erste Verbindungskomponente (12a), welche ein erstes elementares Muster mit einem zweiten elementaren Muster, welches dazu benachbart ist, verbindet, und eine zweite Verbindungskomponente (12b), welche das erste elementare Muster mit einem dritten elementaren Muster, welches dazu benachbart ist, verbindet, aufweist,
    wobei das Netzwerk (6) aus elementaren Mustern ein Zeilen-Spalten-Netzwerk ist, wobei jede Verbindungskomponente (12) zwei benachbarte elementare leitfähige Muster (8) entlang einer Zeile oder einer Spalte verbindet.
  2. Vorrichtung (2) gemäß dem Anspruch 1, gekennzeichnet dadurch, dass jede Gruppe an Verbindungskomponenten (12, 12a, 12b) des ersten Satzes bzw. des zweiten Satzes nur zu Gruppen an Verbindungskomponenten (12, 12a, 12b) des zweiten Satzes bzw. des ersten Satzes benachbart ist.
  3. Vorrichtung (2) gemäß den Ansprüchen 1 und 2, gekennzeichnet dadurch, dass jede Gruppe (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) ein Paar von Verbindungskomponenten (12, 12a, 12b) ist, wobei jedes Paar von Verbindungskomponenten (12, 12a, 12b) aus einer ersten Verbindungskomponente (12a), welche ein erstes elementares Muster mit einem entlang einer Zeile benachbarten, zweiten elementaren Muster verbindet, und aus einer zweiten Verbindungskomponente (12b), welche das erste elementare Muster mit einem entlang einer Spalte benachbarten, dritten elementaren Muster verbindet, gebildet sind.
  4. Vorrichtung (2) gemäß einem der Ansprüche 1 bis 3, gekennzeichnet dadurch, dass in dem ersten Modus die Steuereinrichtung (14) dazu eingerichtet ist, den Wert der Kapazität aller Gruppen (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) zu variieren, um eine Resonanzfrequenz der Vorrichtung (2) zu variieren.
  5. Vorrichtung (2) gemäß einem der Ansprüche 1 bis 4, gekennzeichnet dadurch, dass in dem zweiten Modus die Steuereinrichtung (14) dazu eingerichtet ist, den Wert der Kapazität der Verbindungskomponenten (12, 12a, 12b) des ersten Satzes und/oder des zweiten Satzes zu variieren, um eine Resonanzfrequenz der Vorrichtung (2) zu variieren.
  6. Vorrichtung (2) gemäß einem der Ansprüche 1 bis 5, gekennzeichnet dadurch, dass in dem zweiten Modus die Steuereinrichtung (14) dazu eingerichtet ist, den Wert der Kapazität der Verbindungskomponenten (12, 12a, 12b) des ersten Satzes und/oder des zweiten Satzes zu variieren, um eine Durchlassbandbreite der Vorrichtung (2) zu variieren.
  7. Vorrichtung (2) gemäß einem der Ansprüche 1 bis 6, gekennzeichnet dadurch, dass die Verbindungskomponenten (12, 12a, 12b) elektrisch steuerbar sind, und dadurch, dass die Steuereinrichtung (14) dazu eingerichtet ist, einen elektrischen Befehl an die Verbindungskomponenten (12, 12a, 12b) dazu anzulegen, den Wert von Kapazitäten von Gruppen an Verbindungskomponenten (12, 12a, 12b) zu steuern.
  8. Vorrichtung (2) gemäß einem der Ansprüche 1 bis 7, gekennzeichnet dadurch, dass die Verbindungskomponenten (12, 12a, 12b) thermisch steuerbar sind, und dadurch, dass die Steuereinrichtung (14) dazu eingerichtet ist, einen thermischen Befehl an die Verbindungskomponenten (12, 12a, 12b) dazu anzulegen, den Wert von Kapazitäten von Gruppen an Verbindungskomponenten (12, 12a, 12b) zu steuern.
  9. Vorrichtung (2) gemäß einem der Ansprüche 1 bis 8, gekennzeichnet dadurch, dass die Verbindungskomponenten (12, 12a, 12b) Varaktoren, insbesondere ferroelektrische Varaktoren, sind.
  10. Vorrichtung (2) gemäß einem der Ansprüche 1 bis 9, gekennzeichnet dadurch, dass die Steuereinrichtung (14) aufweist:
    - ein Netzwerk aus Modulen (24) zum Steuern der Verbindungskomponenten (12, 12a, 12b), wobei jedes Modul (24) zum Steuern zu einer Gruppe (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) aus den Gruppen (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) gehört und dazu eingerichtet ist, selektiv den Wert von Kapazitäten der zugehörigen Gruppe (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) zu steuern, und
    - eine Einheit (26) zum Steuern der Module (24) zum Steuern, welche dazu eingerichtet ist, die Module (24) zum Steuern so zu steuern, dass jedes Modul (24) zum Steuern den Wert von Kapazitäten einer zugehörigen Gruppe (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) selektiv gemäß dem ersten Modus oder dem zweiten Modus steuert.
  11. Vorrichtung (2) gemäß den Ansprüchen 7 und 10, gekennzeichnet dadurch, dass die Einheit (26) zum Steuern dazu eingerichtet ist, jedem Modul (24) zum Steuern das Anlegen einer vorbestimmten elektrischen Spannung an die Anschlüsse jeder Verbindungskomponente (12) der zu dem Modul (24) zum Steuern zugehörige Gruppe (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) zu befehlen, und dadurch, dass jedes Modul (24) zum Steuern dazu eingerichtet ist, die elektrische Spannung, welche durch die Einheit (26) zum Steuern befohlen wird, an die Anschlüsse jeder Verbindungskomponente (12) der zugehörigen Gruppe (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) anzulegen.
  12. Vorrichtung (2) gemäß den Ansprüchen 8 und 10, gekennzeichnet dadurch, dass die Einheit (26) zum Steuern dazu eingerichtet ist, jedem Modul (24) zum Steuern das Anlegen einer vorbestimmten Temperatur an die zu dem Modul (24) zum Steuern zugehörige Gruppe (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) zu befehlen, und dadurch, dass jedes Modul (24) zum Steuern dazu eingerichtet ist, die Temperatur, welche durch die Einheit (26) zum Steuern befohlen wird, an die zugehörige Gruppe (20a, 20b) an Verbindungskomponenten (12, 12a, 12b) anzulegen.
  13. Vorrichtung (2) gemäß einem der Ansprüche 1 bis 12, gekennzeichnet dadurch, dass jedes elementare leitfähige Muster (8) ringförmig ist.
  14. System (30) mit frequenzselektiver Fläche, wobei das System (30) dadurch gekennzeichnet ist, dass es eine Mehrzahl an Vorrichtungen (2) gemäß einem der Ansprüche 1 bis 13 aufweist, wobei die Substrate (4) der Vorrichtungen (2) unter den Vorrichtungen (2) gemeinsam geteilt werden, wobei die elementaren leitfähigen Muster (8) jeder Vorrichtung (2) auf mindestens eine Fläche des Substrats (4) gedruckt ist, welche von jeder Fläche des Substrats (4), auf welche die elementare leitfähigen Muster (8) einer anderen Vorrichtung (2) gedruckt sind, separat ist.
EP17737819.7A 2016-07-13 2017-07-12 Steuerbare multifunktionelle frequenzselektive oberfläche Active EP3485534B1 (de)

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FR1601100A FR3054044B1 (fr) 2016-07-13 2016-07-13 Surface selective en frequence commandable et multifonctionnelle
PCT/EP2017/067600 WO2018011294A1 (fr) 2016-07-13 2017-07-12 Surface sélective en fréquence commandable et multifonctionnelle

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WO2022253545A1 (en) * 2021-06-02 2022-12-08 Sony Group Corporation Multi-layer frequency-selective surface

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB689089A (en) * 1950-10-06 1953-03-18 Vickers Electrical Co Ltd Improvements relating to temperature control devices
US20110210903A1 (en) * 2010-02-26 2011-09-01 The Regents Of The University Of Michigan Frequency-selective surface (fss) structures

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB689089A (en) * 1950-10-06 1953-03-18 Vickers Electrical Co Ltd Improvements relating to temperature control devices
US20110210903A1 (en) * 2010-02-26 2011-09-01 The Regents Of The University Of Michigan Frequency-selective surface (fss) structures

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BAYATPUR F ET AL: "A Tunable Metamaterial Frequency-Selective Surface With Variable Modes of Operation", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, PLENUM, USA, vol. 57, no. 6, 1 June 2009 (2009-06-01), pages 1433 - 1438, XP011257280, ISSN: 0018-9480 *
BAYATPUR F ET AL: "Single-Layer High-Order Miniaturized-Element Frequency-Selective Surfaces", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, PLENUM, USA, vol. 56, no. 4, 1 April 2008 (2008-04-01), pages 774 - 781, XP011206148, ISSN: 0018-9480 *

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FR3054044B1 (fr) 2019-08-30
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EP3485534A1 (de) 2019-05-22
FR3054044A1 (fr) 2018-01-19

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