Результаты исследований: Материалы конференций › материалы › Рецензирование
All-metallic epsilon-near-zero graded-index converging lens at terahertz frequencies. / Pacheco-Peña, Victor; Engheta, Nader; Kuznetsov, Sergei и др.
2018. Работа представлена на 12th European Conference on Antennas and Propagation, EuCAP 2018, London, Великобритания.Результаты исследований: Материалы конференций › материалы › Рецензирование
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TY - CONF
T1 - All-metallic epsilon-near-zero graded-index converging lens at terahertz frequencies
AU - Pacheco-Peña, Victor
AU - Engheta, Nader
AU - Kuznetsov, Sergei
AU - Gentselev, Alexandr
AU - Beruete, Miguel
PY - 2018/1/1
Y1 - 2018/1/1
N2 - In this communication, an all-metallic epsilon-near-zero graded-index lens is demonstrated working at terahertz (THz) frequencies. The lens is designed using an array of narrow hollow rectangular waveguides working near cut-off of their fundamental mode emulating an epsilon-near-zero medium. The prototype is evaluated both experimentally and numerically demonstrating a good agreement between them with a focal length of 6 mm at the frequency of 0.675 THz. An experimental power enhancement at the focal length of 42 times is achieved compared to the case without the lens. The results presented here may open doors to the design of novel devices within the terahertz frequency range using such artificial metastructures.
AB - In this communication, an all-metallic epsilon-near-zero graded-index lens is demonstrated working at terahertz (THz) frequencies. The lens is designed using an array of narrow hollow rectangular waveguides working near cut-off of their fundamental mode emulating an epsilon-near-zero medium. The prototype is evaluated both experimentally and numerically demonstrating a good agreement between them with a focal length of 6 mm at the frequency of 0.675 THz. An experimental power enhancement at the focal length of 42 times is achieved compared to the case without the lens. The results presented here may open doors to the design of novel devices within the terahertz frequency range using such artificial metastructures.
KW - Epsilon-near-zero
KW - Lenses
KW - Metamaterials
KW - Terahertz
UR - http://www.scopus.com/inward/record.url?scp=85057311863&partnerID=8YFLogxK
U2 - 10.1049/cp.2018.0679
DO - 10.1049/cp.2018.0679
M3 - Paper
AN - SCOPUS:85057311863
T2 - 12th European Conference on Antennas and Propagation, EuCAP 2018
Y2 - 9 April 2018 through 13 April 2018
ER -
ID: 17565415