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Influence of the geometry of terahertz chiral metamaterial on transmission group delays

Authorized Users Only
2016
Authors
Stojanović, Danka
Radovanović, Jelena V.
Milanović, Vitomir B.
Article (Published version)
Metadata
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Abstract
Recently, group delay has been proven as a very convenient tool for control of terahertz electromagnetic signals used for filters, waveguides and polarization components. Here, we investigate the propagation of circularly polarised terahertz pulse via analysis of group delays in X particle chiral metamaterial. When varying the geometry of the X particle chiral metamaterial, significant modification of chiroptical effects- optical activity and circular dichroism can be observed. Through the analysis of group delays in the frequency region between 1 and 3 THz we conclude that the right circularly polarised wave is more sensitive to changes in the geometry than the left circularly polarised wave. This result implies that the right circularly polarised wave is responsible for variation of chiroptical effects in these structures and opens up a possibility for potential applications.
Keywords:
Chiral metamaterial / Terahertz / Group delay / Circular polarisation
Source:
Optical and Quantum Electronics, 2016, 48, 4
Publisher:
  • Springer
Funding / projects:
  • Functional, Functionalized and Advanced Nanomaterials (RS-45005)
  • Photonics of micro and nano structured materials (RS-45010)

DOI: 10.1007/s11082-016-0533-y

ISSN: 0306-8919; 1572-817X

WoS: 000374106400014

Scopus: 2-s2.0-85007173719
[ Google Scholar ]
3
2
URI
https://vinar.vin.bg.ac.rs/handle/123456789/1019
Collections
  • WoS Import
Institution/Community
Vinča
TY  - JOUR
AU  - Stojanović, Danka
AU  - Radovanović, Jelena V.
AU  - Milanović, Vitomir B.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1019
AB  - Recently, group delay has been proven as a very convenient tool for control of terahertz electromagnetic signals used for filters, waveguides and polarization components. Here, we investigate the propagation of circularly polarised terahertz pulse via analysis of group delays in X particle chiral metamaterial. When varying the geometry of the X particle chiral metamaterial, significant modification of chiroptical effects- optical activity and circular dichroism can be observed. Through the analysis of group delays in the frequency region between 1 and 3 THz we conclude that the right circularly polarised wave is more sensitive to changes in the geometry than the left circularly polarised wave. This result implies that the right circularly polarised wave is responsible for variation of chiroptical effects in these structures and opens up a possibility for potential applications.
PB  - Springer
T2  - Optical and Quantum Electronics
T1  - Influence of the geometry of terahertz chiral metamaterial on transmission group delays
VL  - 48
IS  - 4
DO  - 10.1007/s11082-016-0533-y
ER  - 
@article{
author = "Stojanović, Danka and Radovanović, Jelena V. and Milanović, Vitomir B.",
year = "2016",
abstract = "Recently, group delay has been proven as a very convenient tool for control of terahertz electromagnetic signals used for filters, waveguides and polarization components. Here, we investigate the propagation of circularly polarised terahertz pulse via analysis of group delays in X particle chiral metamaterial. When varying the geometry of the X particle chiral metamaterial, significant modification of chiroptical effects- optical activity and circular dichroism can be observed. Through the analysis of group delays in the frequency region between 1 and 3 THz we conclude that the right circularly polarised wave is more sensitive to changes in the geometry than the left circularly polarised wave. This result implies that the right circularly polarised wave is responsible for variation of chiroptical effects in these structures and opens up a possibility for potential applications.",
publisher = "Springer",
journal = "Optical and Quantum Electronics",
title = "Influence of the geometry of terahertz chiral metamaterial on transmission group delays",
volume = "48",
number = "4",
doi = "10.1007/s11082-016-0533-y"
}
Stojanović, D., Radovanović, J. V.,& Milanović, V. B.. (2016). Influence of the geometry of terahertz chiral metamaterial on transmission group delays. in Optical and Quantum Electronics
Springer., 48(4).
https://doi.org/10.1007/s11082-016-0533-y
Stojanović D, Radovanović JV, Milanović VB. Influence of the geometry of terahertz chiral metamaterial on transmission group delays. in Optical and Quantum Electronics. 2016;48(4).
doi:10.1007/s11082-016-0533-y .
Stojanović, Danka, Radovanović, Jelena V., Milanović, Vitomir B., "Influence of the geometry of terahertz chiral metamaterial on transmission group delays" in Optical and Quantum Electronics, 48, no. 4 (2016),
https://doi.org/10.1007/s11082-016-0533-y . .

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