Design of Band Stop Filter Using Epsilon-Negative Frequency Selective Surface.
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| Title: | Design of Band Stop Filter Using Epsilon-Negative Frequency Selective Surface. |
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| Authors: | Das, Sourodipto1,2 (AUTHOR) sourodiptodas01@gmail.com, Rajput, Anil1 (AUTHOR) anilrajput3012@gmail.com, Mukherjee, Biswajeet3 (AUTHOR) biswajeet.26@gmail.com |
| Source: | IETE Journal of Research. Feb2025, Vol. 71 Issue 2, p575-582. 8p. |
| Subjects: | Frequency selective surfaces, Passive components, Current distribution, Unit cell, Refractive index |
| Abstract: | This paper focuses on designing a band stop filter based on epsilon-negative frequency-selective surface (FSS). The unit cell has an electrical length of 0.104λ0 × 0.104λ0 which offers a bandwidth of 2.53 GHz from 1.24 GHz to 3.77 GHz. It has a center frequency of 2.44 GHz and the obtained fractional bandwidth is above 100%. Additionally, the behavior of the presented FSS is explained by the equivalent circuit model and surface current distribution. Within the entire bandwidth, it offers a negative permittivity. The refractive index of BSF is almost zero for 2.45−3.98 GHz range of frequency. The proposed FSS structure exhibits polarization-independent properties and offers a stable frequency response for normal and oblique angles under both TE and TM polarization. Good agreement between the simulated and measured results is obtained for the designed prototype. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | This paper focuses on designing a band stop filter based on epsilon-negative frequency-selective surface (FSS). The unit cell has an electrical length of 0.104λ0 × 0.104λ0 which offers a bandwidth of 2.53 GHz from 1.24 GHz to 3.77 GHz. It has a center frequency of 2.44 GHz and the obtained fractional bandwidth is above 100%. Additionally, the behavior of the presented FSS is explained by the equivalent circuit model and surface current distribution. Within the entire bandwidth, it offers a negative permittivity. The refractive index of BSF is almost zero for 2.45−3.98 GHz range of frequency. The proposed FSS structure exhibits polarization-independent properties and offers a stable frequency response for normal and oblique angles under both TE and TM polarization. Good agreement between the simulated and measured results is obtained for the designed prototype. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 03772063 |
| DOI: | 10.1080/03772063.2024.2415506 |
