Enhancing the selectivity of frequency selective surfaces for terahertz sensing applications

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Standard

Enhancing the selectivity of frequency selective surfaces for terahertz sensing applications. / El-Rayes, Shaymaa; Wang, Yi; Lancaster, Michael J.; Shang, Xiaobang.

2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015. Institute of Electrical and Electronics Engineers (IEEE), 2016. 7460586.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harvard

El-Rayes, S, Wang, Y, Lancaster, MJ & Shang, X 2016, Enhancing the selectivity of frequency selective surfaces for terahertz sensing applications. in 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015., 7460586, Institute of Electrical and Electronics Engineers (IEEE), 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015, Cardiff, United Kingdom, 14/09/15. https://doi.org/10.1109/UCMMT.2015.7460586

APA

El-Rayes, S., Wang, Y., Lancaster, M. J., & Shang, X. (2016). Enhancing the selectivity of frequency selective surfaces for terahertz sensing applications. In 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015 [7460586] Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/UCMMT.2015.7460586

Vancouver

El-Rayes S, Wang Y, Lancaster MJ, Shang X. Enhancing the selectivity of frequency selective surfaces for terahertz sensing applications. In 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015. Institute of Electrical and Electronics Engineers (IEEE). 2016. 7460586 https://doi.org/10.1109/UCMMT.2015.7460586

Author

El-Rayes, Shaymaa ; Wang, Yi ; Lancaster, Michael J. ; Shang, Xiaobang. / Enhancing the selectivity of frequency selective surfaces for terahertz sensing applications. 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015. Institute of Electrical and Electronics Engineers (IEEE), 2016.

Bibtex

@inproceedings{470c26b1bd12411aae25c204212ddf15,
title = "Enhancing the selectivity of frequency selective surfaces for terahertz sensing applications",
abstract = "This paper introduces a new technique for enhancing the selectivity (or the quality factor, Q-factor) of frequency selective surfaces (FSS) for sensing applications. The proposed FSS functions as a free-space bandpass resonator, designed to sense the changing dielectric properties of minute amount of materials loaded on the FSS. The Q-enhancement technique is mainly based on two concepts; enhancing the field concentration in a given area and introducing transmission zeros in the FSS response. Two designs based on a modified complementary split-ring resonator (CSRR) at 300 GHz have been proposed. The first one is composed of complementary triple-split ring resonators. The splits divided the structure into arcs of different lengths. As a result, the transmission zero is obtained in the passband due to a destructive coupling. This produces a resonance Q-factor of 41. By controlling the orientation of the three splits, higher Q-factor of 84 is attainable. The second structure is designed using concentric triple-split rings. The added electromagnetic coupling between the concentric rings makes the transmission response steeper as compared with the single triple-split ring, and the quality factor increases from 41 to 90. By reducing the interspacing distance by three times, the Q-factor can be further increased to 256. The parameter studies of the FSS structures based on full-wave simulations have been presented.",
keywords = "concentric split-ring resonators, frequency selective surfaces, Q-factor, split-ring resonators, terahertz sensing, transmission zeros",
author = "Shaymaa El-Rayes and Yi Wang and Lancaster, {Michael J.} and Xiaobang Shang",
year = "2016",
month = apr,
day = "28",
doi = "10.1109/UCMMT.2015.7460586",
language = "English",
booktitle = "2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015",
publisher = "Institute of Electrical and Electronics Engineers (IEEE)",
note = "8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015 ; Conference date: 14-09-2015 Through 15-09-2015",

}

RIS

TY - GEN

T1 - Enhancing the selectivity of frequency selective surfaces for terahertz sensing applications

AU - El-Rayes, Shaymaa

AU - Wang, Yi

AU - Lancaster, Michael J.

AU - Shang, Xiaobang

PY - 2016/4/28

Y1 - 2016/4/28

N2 - This paper introduces a new technique for enhancing the selectivity (or the quality factor, Q-factor) of frequency selective surfaces (FSS) for sensing applications. The proposed FSS functions as a free-space bandpass resonator, designed to sense the changing dielectric properties of minute amount of materials loaded on the FSS. The Q-enhancement technique is mainly based on two concepts; enhancing the field concentration in a given area and introducing transmission zeros in the FSS response. Two designs based on a modified complementary split-ring resonator (CSRR) at 300 GHz have been proposed. The first one is composed of complementary triple-split ring resonators. The splits divided the structure into arcs of different lengths. As a result, the transmission zero is obtained in the passband due to a destructive coupling. This produces a resonance Q-factor of 41. By controlling the orientation of the three splits, higher Q-factor of 84 is attainable. The second structure is designed using concentric triple-split rings. The added electromagnetic coupling between the concentric rings makes the transmission response steeper as compared with the single triple-split ring, and the quality factor increases from 41 to 90. By reducing the interspacing distance by three times, the Q-factor can be further increased to 256. The parameter studies of the FSS structures based on full-wave simulations have been presented.

AB - This paper introduces a new technique for enhancing the selectivity (or the quality factor, Q-factor) of frequency selective surfaces (FSS) for sensing applications. The proposed FSS functions as a free-space bandpass resonator, designed to sense the changing dielectric properties of minute amount of materials loaded on the FSS. The Q-enhancement technique is mainly based on two concepts; enhancing the field concentration in a given area and introducing transmission zeros in the FSS response. Two designs based on a modified complementary split-ring resonator (CSRR) at 300 GHz have been proposed. The first one is composed of complementary triple-split ring resonators. The splits divided the structure into arcs of different lengths. As a result, the transmission zero is obtained in the passband due to a destructive coupling. This produces a resonance Q-factor of 41. By controlling the orientation of the three splits, higher Q-factor of 84 is attainable. The second structure is designed using concentric triple-split rings. The added electromagnetic coupling between the concentric rings makes the transmission response steeper as compared with the single triple-split ring, and the quality factor increases from 41 to 90. By reducing the interspacing distance by three times, the Q-factor can be further increased to 256. The parameter studies of the FSS structures based on full-wave simulations have been presented.

KW - concentric split-ring resonators

KW - frequency selective surfaces

KW - Q-factor

KW - split-ring resonators

KW - terahertz sensing

KW - transmission zeros

UR - http://www.scopus.com/inward/record.url?scp=84974604434&partnerID=8YFLogxK

U2 - 10.1109/UCMMT.2015.7460586

DO - 10.1109/UCMMT.2015.7460586

M3 - Conference contribution

AN - SCOPUS:84974604434

BT - 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015

PB - Institute of Electrical and Electronics Engineers (IEEE)

T2 - 8th UK, Europe, China Millimeter Waves and THz Technology Workshop, UCMMT 2015

Y2 - 14 September 2015 through 15 September 2015

ER -