Abstract
Electromagnetic attenuation effect within a short distance can be very useful in numerous devices and occasions. It is exploited for experimental (anechoic chambers in laboratories), military (anti-radar coatings of aircrafts and ships) and computational (realization of absorbing boundary conditions in software simulations) reasons. In this work, we compare the attenuation inflicted by a hyperbolic metamaterial with that occurred into an ordinary lossy dielectric. In order for the comparison to be fair, we use the same magnitude of permittivity and the same loss tangent in both cases; similarly, the reflection coefficient is kept low in all the regarded examples. The results indicate that the hyperbolic metamaterial vastly outperforms the commonly used dielectric and one can use these media in order to construct very thin and efficient attenuators or absorbers by considering moderate thermal losses.
| Original language | English |
|---|---|
| Pages (from-to) | 182-190 |
| Number of pages | 9 |
| Journal | Photonics and Nanostructures - Fundamentals and Applications |
| Volume | 11 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Aug 2013 |
| Externally published | Yes |
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Keywords
- Absorber
- Attenuation
- Hyperbolic
- Lossy material
- Metamaterial
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Hardware and Architecture
- Condensed Matter Physics
- Atomic and Molecular Physics, and Optics
- Electronic, Optical and Magnetic Materials
Cite this
Increasing the electromagnetic attenuation below a quasi-matched surface with use of passive hyperbolic metamaterials. / Valagiannopoulos, Constantinos A.; Nefedov, Igor S.
In: Photonics and Nanostructures - Fundamentals and Applications, Vol. 11, No. 3, 08.2013, p. 182-190.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Increasing the electromagnetic attenuation below a quasi-matched surface with use of passive hyperbolic metamaterials
AU - Valagiannopoulos, Constantinos A.
AU - Nefedov, Igor S.
PY - 2013/8
Y1 - 2013/8
N2 - Electromagnetic attenuation effect within a short distance can be very useful in numerous devices and occasions. It is exploited for experimental (anechoic chambers in laboratories), military (anti-radar coatings of aircrafts and ships) and computational (realization of absorbing boundary conditions in software simulations) reasons. In this work, we compare the attenuation inflicted by a hyperbolic metamaterial with that occurred into an ordinary lossy dielectric. In order for the comparison to be fair, we use the same magnitude of permittivity and the same loss tangent in both cases; similarly, the reflection coefficient is kept low in all the regarded examples. The results indicate that the hyperbolic metamaterial vastly outperforms the commonly used dielectric and one can use these media in order to construct very thin and efficient attenuators or absorbers by considering moderate thermal losses.
AB - Electromagnetic attenuation effect within a short distance can be very useful in numerous devices and occasions. It is exploited for experimental (anechoic chambers in laboratories), military (anti-radar coatings of aircrafts and ships) and computational (realization of absorbing boundary conditions in software simulations) reasons. In this work, we compare the attenuation inflicted by a hyperbolic metamaterial with that occurred into an ordinary lossy dielectric. In order for the comparison to be fair, we use the same magnitude of permittivity and the same loss tangent in both cases; similarly, the reflection coefficient is kept low in all the regarded examples. The results indicate that the hyperbolic metamaterial vastly outperforms the commonly used dielectric and one can use these media in order to construct very thin and efficient attenuators or absorbers by considering moderate thermal losses.
KW - Absorber
KW - Attenuation
KW - Hyperbolic
KW - Lossy material
KW - Metamaterial
UR - http://www.scopus.com/inward/record.url?scp=84883050610&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84883050610&partnerID=8YFLogxK
U2 - 10.1016/j.photonics.2013.05.002
DO - 10.1016/j.photonics.2013.05.002
M3 - Article
AN - SCOPUS:84883050610
VL - 11
SP - 182
EP - 190
JO - Photonics and Nanostructures - Fundamentals and Applications
JF - Photonics and Nanostructures - Fundamentals and Applications
SN - 1569-4410
IS - 3
ER -