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Convergence of Terahertz Sciences in Biomedical Systems pp 181–193Cite as

Resonant Antennas on Semi-Infinite and Lens Substrates at Terahertz Frequency

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Abstract

This part is concerned with four different types of resonant antennas on semi-infinite and lens substrates made of high-permittivity dielectric materials at terahertz frequency. Full-wavelength single-dipole, full-wavelength dual-dipole, half-wavelength single-slot, and full-wavelength four-leaf-clover-shaped dipole antennas are studied at a frequency of around 1.0 THz. The resonance characteristics of the four antennas are first investigated on a semi-infinite substrate, using the method of moments simulator FEKO. Based on these characteristics, the antennas are placed on an extended hemispherical lens to examine and compare the radiation effects of a substrate lens on each antenna, using the finite-integration time-domain simulator CST Microwave Studio. The shape of an extended hemispherical lens with optimum thickness and quarter-wavelength matching layer plays an important role in maximizing the directivity, while the radiation efficiency is generally affected by the antenna structure.

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Authors and Affiliations

  1. School of Electrical and Computer Engineering, Ajou University, 5 Woncheon-dong, Youngtong-gu, Suwon, 443-749, Republic of Korea

    Truong Khang Nguyen & Ikmo Park

Authors
  1. Truong Khang Nguyen
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  2. Ikmo Park
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Correspondence to Ikmo Park .

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Editors and Affiliations

  1. Physics & Astronomy, Experimental Plasma Physics, Seoul National University, Gwanak campus, Bldg 56 Room 323, Seoul, Korea, Republic of (South Korea)

    Gun-Sik Park

  2. School of Mechanical and Aerospace Engin, Department of Physics and Astronomy, Seoul National University, Gwanak-gu 1, Seoul, 151-747, Korea, Republic of (South Korea)

    Yong Hyup Kim

  3. , Dept of Electronic and Electrical Eng., Postech, San 31, Hyojadong, Namgu, Phang, 790-784, Korea, Republic of (South Korea)

    Haewook Han

  4. College of Medicine, Department of Radiology, Seoul National University, Daehak-ro, Jongno-gu 103, Seoul, 110-799, Korea, Republic of (South Korea)

    Joon Koo Han

  5. , Department of Physics, KAIST, Guseong-dong, Yuseong-gu 373-1, Daejeon, 305-701, Korea, Republic of (South Korea)

    Jaewook Ahn

  6. College of Natural Sciences, Department of Physics, University of Seoul, Seoulsiripdaero 163 ,Jeonnong-dong 90, Dongdaemun-gu, Seoul, 130-743, Korea, Republic of (South Korea)

    Joo-Hiuk Son

  7. College of Medicine, Department of Biochemistry, Seoul National University, Daehak-ro, Jongno-gu 103, Seoul, 110-799, Korea, Republic of (South Korea)

    Woong-Yang Park

  8. Yuseong-Gu, [WCI] Quantum beam based, Korea Atomic Energy Research Institute, Daedeok-Street 1045, Daejeon, 305-353, Korea, Republic of (South Korea)

    Young Uk Jeong

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Nguyen, T.K., Park, I. (2012). Resonant Antennas on Semi-Infinite and Lens Substrates at Terahertz Frequency. In: Park, GS., et al. Convergence of Terahertz Sciences in Biomedical Systems. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-3965-9_9

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