Design and measurement of a 220 GHz wideband 3-D printed dielectric reflectarray

Meng Da Wu; Bin Li; Ying Zhou; Da Lu Guo; Yong Liu; Feng Wei; Xin Lv

doi:10.1109/LAWP.2018.2869033

Design and measurement of a 220 GHz wideband 3-D printed dielectric reflectarray

Meng Da Wu, Bin Li^*, Ying Zhou, Da Lu Guo, Yong Liu, Feng Wei, Xin Lv

^*Corresponding author for this work

School of Integrated Circuits and Electronics

Research output: Contribution to journal › Article › peer-review

50 Citations (Scopus)

Abstract

A wideband high-gain terahertz dielectric reflectarray working at 220 GHz is investigated both theoretically and experimentally. The reflectarray unit cell consists of a ground plane and a dielectric block. The reflection phase is obtained by adjusting the height of the block. Using the reflection phase computational algorithm, a dielectric reflectarray composed of 40 × 40 unit cells is designed and fabricated through three-dimensional (3-D) printed technology. Four types of 3-D printed material are measured using the THz time-domain spectroscopy system. It is found that the maximum gain and gain bandwidth of the proposed reflectarray is 31.3 dBi and 20.9%, respectively. Measured results are in reasonable agreement with simulated results. This result is an important step toward the 3-D printed THz dielectric reflectarray above 220 GHz.

Original language	English
Article number	8456537
Pages (from-to)	2094-2098
Number of pages	5
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	17
Issue number	11
DOIs	https://doi.org/10.1109/LAWP.2018.2869033
Publication status	Published - Nov 2018

Keywords

Terahertz (THz)
dielectric resonator
reflectarray
three-dimensional (3-D) printed

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10.1109/LAWP.2018.2869033

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title = "Design and measurement of a 220 GHz wideband 3-D printed dielectric reflectarray",

abstract = "A wideband high-gain terahertz dielectric reflectarray working at 220 GHz is investigated both theoretically and experimentally. The reflectarray unit cell consists of a ground plane and a dielectric block. The reflection phase is obtained by adjusting the height of the block. Using the reflection phase computational algorithm, a dielectric reflectarray composed of 40 × 40 unit cells is designed and fabricated through three-dimensional (3-D) printed technology. Four types of 3-D printed material are measured using the THz time-domain spectroscopy system. It is found that the maximum gain and gain bandwidth of the proposed reflectarray is 31.3 dBi and 20.9%, respectively. Measured results are in reasonable agreement with simulated results. This result is an important step toward the 3-D printed THz dielectric reflectarray above 220 GHz.",

keywords = "Terahertz (THz), dielectric resonator, reflectarray, three-dimensional (3-D) printed",

author = "Wu, {Meng Da} and Bin Li and Ying Zhou and Guo, {Da Lu} and Yong Liu and Feng Wei and Xin Lv",

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AU - Wu, Meng Da

AU - Li, Bin

AU - Zhou, Ying

AU - Guo, Da Lu

AU - Liu, Yong

AU - Wei, Feng

AU - Lv, Xin

PY - 2018/11

Y1 - 2018/11

N2 - A wideband high-gain terahertz dielectric reflectarray working at 220 GHz is investigated both theoretically and experimentally. The reflectarray unit cell consists of a ground plane and a dielectric block. The reflection phase is obtained by adjusting the height of the block. Using the reflection phase computational algorithm, a dielectric reflectarray composed of 40 × 40 unit cells is designed and fabricated through three-dimensional (3-D) printed technology. Four types of 3-D printed material are measured using the THz time-domain spectroscopy system. It is found that the maximum gain and gain bandwidth of the proposed reflectarray is 31.3 dBi and 20.9%, respectively. Measured results are in reasonable agreement with simulated results. This result is an important step toward the 3-D printed THz dielectric reflectarray above 220 GHz.

AB - A wideband high-gain terahertz dielectric reflectarray working at 220 GHz is investigated both theoretically and experimentally. The reflectarray unit cell consists of a ground plane and a dielectric block. The reflection phase is obtained by adjusting the height of the block. Using the reflection phase computational algorithm, a dielectric reflectarray composed of 40 × 40 unit cells is designed and fabricated through three-dimensional (3-D) printed technology. Four types of 3-D printed material are measured using the THz time-domain spectroscopy system. It is found that the maximum gain and gain bandwidth of the proposed reflectarray is 31.3 dBi and 20.9%, respectively. Measured results are in reasonable agreement with simulated results. This result is an important step toward the 3-D printed THz dielectric reflectarray above 220 GHz.

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KW - three-dimensional (3-D) printed

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Design and measurement of a 220 GHz wideband 3-D printed dielectric reflectarray

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Keywords

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