Glass Penetrating Transparent Surface with Square Loop/Cross Double-Layer FSS for Indoor Millimeter-Wave Communications

Thinh Tien Nguyen; Chang Won Jung

doi:10.26866/jees.2025.5.r.321

Glass Penetrating Transparent Surface with Square Loop/Cross Double-Layer FSS for Indoor Millimeter-Wave Communications

Thinh Tien Nguyen, Chang Won Jung

Dept. of Semiconductor Engineering

Seoul National University of Science and Technology (SNUST)

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

Abstract

In this study, a glass penetrating transparent surface (GPTS) featuring a transparent frequency selective surface on window glass is proposed for indoor millimeter-wave communications. The proposed GPTS is characterized by a spatial filtering function and a high Q-factor for 5G (n257; 26.5–29.5 GHz). A design with a cascading structure of dielectric polyethylene terephthalate (PET) layer is applied to the GPTS, which acts as a bandpass filter for electromagnetic waves incident at angles between 0° and 45°. Furthermore, the correlation between the lumped elements and the bandwidth of the proposed GPTS structure is analyzed. In addition, another dielectric PET layer is used at the bottom of the glass to enhance the transmission response of the equivalent circuit model. Based on the measured results, it is demonstrated that the proposed GPTSs are prospective candidates for signal-selective applications on window glass.

Original language	English
Pages (from-to)	491-499
Number of pages	9
Journal	Journal of Electromagnetic Engineering and Science
Volume	25
Issue number	5
DOIs	https://doi.org/10.26866/jees.2025.5.r.321
State	Published - 1 Sep 2025

Keywords

Angular Stability
Bandpass Filter
Frequency Selective Surfaces (FSSs)
Optical Transparency
Q-Factor

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10.26866/jees.2025.5.r.321

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title = "Glass Penetrating Transparent Surface with Square Loop/Cross Double-Layer FSS for Indoor Millimeter-Wave Communications",

abstract = "In this study, a glass penetrating transparent surface (GPTS) featuring a transparent frequency selective surface on window glass is proposed for indoor millimeter-wave communications. The proposed GPTS is characterized by a spatial filtering function and a high Q-factor for 5G (n257; 26.5–29.5 GHz). A design with a cascading structure of dielectric polyethylene terephthalate (PET) layer is applied to the GPTS, which acts as a bandpass filter for electromagnetic waves incident at angles between 0° and 45°. Furthermore, the correlation between the lumped elements and the bandwidth of the proposed GPTS structure is analyzed. In addition, another dielectric PET layer is used at the bottom of the glass to enhance the transmission response of the equivalent circuit model. Based on the measured results, it is demonstrated that the proposed GPTSs are prospective candidates for signal-selective applications on window glass.",

keywords = "Angular Stability, Bandpass Filter, Frequency Selective Surfaces (FSSs), Optical Transparency, Q-Factor",

author = "Nguyen, \{Thinh Tien\} and Jung, \{Chang Won\}",

note = "Publisher Copyright: Copyright {\textcopyright} The Korean Institute of Electromagnetic Engineering and Science. This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.",

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AU - Nguyen, Thinh Tien

AU - Jung, Chang Won

N1 - Publisher Copyright: Copyright © The Korean Institute of Electromagnetic Engineering and Science. This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

PY - 2025/9/1

Y1 - 2025/9/1

N2 - In this study, a glass penetrating transparent surface (GPTS) featuring a transparent frequency selective surface on window glass is proposed for indoor millimeter-wave communications. The proposed GPTS is characterized by a spatial filtering function and a high Q-factor for 5G (n257; 26.5–29.5 GHz). A design with a cascading structure of dielectric polyethylene terephthalate (PET) layer is applied to the GPTS, which acts as a bandpass filter for electromagnetic waves incident at angles between 0° and 45°. Furthermore, the correlation between the lumped elements and the bandwidth of the proposed GPTS structure is analyzed. In addition, another dielectric PET layer is used at the bottom of the glass to enhance the transmission response of the equivalent circuit model. Based on the measured results, it is demonstrated that the proposed GPTSs are prospective candidates for signal-selective applications on window glass.

AB - In this study, a glass penetrating transparent surface (GPTS) featuring a transparent frequency selective surface on window glass is proposed for indoor millimeter-wave communications. The proposed GPTS is characterized by a spatial filtering function and a high Q-factor for 5G (n257; 26.5–29.5 GHz). A design with a cascading structure of dielectric polyethylene terephthalate (PET) layer is applied to the GPTS, which acts as a bandpass filter for electromagnetic waves incident at angles between 0° and 45°. Furthermore, the correlation between the lumped elements and the bandwidth of the proposed GPTS structure is analyzed. In addition, another dielectric PET layer is used at the bottom of the glass to enhance the transmission response of the equivalent circuit model. Based on the measured results, it is demonstrated that the proposed GPTSs are prospective candidates for signal-selective applications on window glass.

KW - Angular Stability

KW - Bandpass Filter

KW - Frequency Selective Surfaces (FSSs)

KW - Optical Transparency

KW - Q-Factor

UR - https://www.scopus.com/pages/publications/105018040319

U2 - 10.26866/jees.2025.5.r.321

DO - 10.26866/jees.2025.5.r.321

M3 - Article

AN - SCOPUS:105018040319

SN - 2671-7255

VL - 25

SP - 491

EP - 499

JO - Journal of Electromagnetic Engineering and Science

JF - Journal of Electromagnetic Engineering and Science

IS - 5

ER -

Glass Penetrating Transparent Surface with Square Loop/Cross Double-Layer FSS for Indoor Millimeter-Wave Communications

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Keywords

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