Radio-wave confinement on metamaterial textiles for wireless sensor networking
There is provided a metamaterial textile for providing wireless sensor network and method of designing such. The metamaterial textile comprising a sheet of metamaterial textile cut into a comb shape comprising long base with a plurality of metamaterial textile teeth extending along and from the base, wherein a gap is present between every two adjacent teeth, whereby, the metamaterial textile is configured to enable propagation of radio-surface plasmons wave along the metamaterial textile for providing wireless sensor network. The metamaterial textile is configured to control the height of the radio-surface plasmons wave by changing number of the metamaterial textile teeth, and changing dimensions of the metamaterial textile teeth and changing dimensions of the gaps.
1. A metamaterial textile for providing wireless sensor network, said metamaterial textile comprising:
a sheet of metamaterial textile cut into a comb shape comprising long base with a plurality of metamaterial textile teeth extending along and from the base, wherein a gap is present between every two adjacent teeth;
wherein, the metamaterial textile is configured to enable propagation of radio-surface plasmons wave along the metamaterial textile for providing wireless sensor network, the radio-surface plasmons wave comprises a height;
further wherein said metamaterial textile is configured to control the height of the radio-surface plasmons wave by changing number of the metamaterial textile teeth; and changing dimensions of the metamaterial textile teeth and changing dimensions of the gaps.
2. The metamaterial textile of claim 1 , wherein the maximum number of teeth to enable propagation of radio-surface plasmons along the comb shaped metamaterial textile is 100.
3. The metamaterial textile of claim 1 , wherein the minimum number of teeth to enable propagation of radio-surface plasmons along the comb shaped metamaterial textile is two.
4. The metamaterial textile of claim 1 , wherein said comb shaped metamaterial textile is configured to be implemented as part of clothing.
5. The metamaterial textile of claim 1 , wherein said comb shaped metamaterial textile comprises a non-conductive layer attached to the comb shaped metamaterial textile.
6. The metamaterial textile of claim 5 , wherein said comb shaped metamaterial textile further comprises a protective conductive layer attached to and located beneath the non-conductive layer.
7. The metamaterial textile of claim 5 , wherein said non-conductive layer attached to the comb shaped metamaterial textile blocks the propagation of radio-surface plasmons into body of a wearer of clothing.
8. The metamaterial textile of claim 5 , wherein said non-conductive layer is textile.
9. The metamaterial textile of claim 1 , wherein said comb shaped metamaterial textile is configured to form a ring-resonator.
10. The metamaterial textile of claim 1 , wherein said comb shaped metamaterial textile is configured to form an antenna for transmitting data.
11. The metamaterial textile of claim 1 , wherein said comb shaped metamaterial textile is configured to form a power divider for transmitting power to more than one location.
12. The metamaterial textile of claim 1 , wherein said radio-surface plasmons wave has little to no signal loss even at low dB transmission.
13. A method for designing a metamaterial textile for providing a wireless sensor network, said method comprising:
providing a metamaterial textile comprising: a sheet of metamaterial textile cut into a comb shape comprising a long base with a plurality of metamaterial textile teeth extending along and from the base, wherein a gap is present between every two adjacent teeth;
providing wireless sensor network via propagation of radio-surface plasmons wave along the comb shaped metamaterial textile; and
controlling height of the radio-surface plasmons wave by changing number of the metamaterial textile teeth, and by changing dimensions of the metamaterial textile teeth and dimensions of metamaterial textile gaps.
14. A method for designing a metamaterial textile for providing a wireless sensor network, said method comprising:
providing a metamaterial textile comprising: a sheet of metamaterial textile cut into a comb shape comprising a long base with a plurality of metamaterial textile teeth extending along and from the base, wherein a gap is present between every two adjacent teeth, further wherein said comb shaped metamaterial textile comprises a non-conductive layer attached to the comb shaped metamaterial textile;
setting value of width of each of the plurality of metamaterial textile teeth with the addition of width of a gap to: d=0.2λ s ;
setting values of width of each of the plurality of metamaterial textile teeth and of width of the comb shaped base to specific values;
setting value of length of each of the plurality of metamaterial textile teeth to:
h
0
=
π
c
4
πɛ
tex
f
0
;
setting value of width of the bottom non-conductive layer to: w=a+h;
providing thickness of the metamaterial comb shaped textile;
implementing varying lengths of each of the plurality of metamaterial textile teeth between 0.5h 0 and 2h 0 into an eigenmode solver, thereby obtaining dispersion curve of the metamaterial textile;
yielding the value for which β=β s wherein β s is desired wavenumber based on the dispersion curve; and
calculating λ s =2π/β s , wherein λ s is surface plasmon wavelength for providing wireless sensor networks.
15. The method according to claim 14 , wherein setting value of said width of each of the plurality of metamaterial textile teeth comprises setting the value to b=0.75d.
16. The method according to claim 14 , wherein setting value of said width of the comb shaped base comprises setting the value to a=0.5d.
17. The method of claim 14 , wherein setting value of width of each of the plurality of metamaterial textile teeth with the addition of width of a gap comprises setting the value according to a different equation than d=0.2λ s .