Broadband bandpass filter and filtering power divider with enhanced slow-wave effect, compact size, and wide stopband based on butterfly-shaped spoof SPPs

Moznebi, Ali‐Reza; Afrooz, Kambiz; Arsanjani, Arash

doi:10.1016/j.aeue.2021.154084

Cited by 16 publications

(4 citation statements)

References 33 publications

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“…Table 2 shows a comparison of the proposed SSPP filter and several other SSPP filters described in different references. Compared with the filters presented [40][41][42][43][44][45], the proposed compact SSPP lowpass filter has better performance in terms of size.…”

Section: Measurement Resultsmentioning

confidence: 97%

Compact Broadband Low-pass Filter with Novel Fishbone Structure Based on Spoof Surface Plasmon Polariton

Xu,

Nian,

Deng

et al. 2024

PIER M

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A compact spoof surface plasmon polariton (SSPP) low-pass filter is proposed. By adopting a novel fishbone structure, the effective depth of the groove is increased, reducing the filter width by 24.84%. The length of the filter is reduced by 22.23% with a new transmission structure. To intuitively display this structure, the filter is designed and fabricated. The area of the filter is 47.44 mm×8 mm. The results demonstrate that the insertion and return losses are less than 3 dB and greater than 13 dB, respectively, in a wideband range of 0-10.00 GHz

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Section: Measurement Resultsmentioning

confidence: 97%

Compact Broadband Low-pass Filter with Novel Fishbone Structure Based on Spoof Surface Plasmon Polariton

Xu,

Nian,

Deng

et al. 2024

PIER M

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“…The conversion structure can perform a broad passband feature, by converting the electromagnetic mode from the SSPP to spatial mode 9 . SSPPs waveguides are combined with other approaches to design a variety of microwave RF devices, such as power dividers 10 , filters 11 , phase shifter 12 , and antennas 2 , due to high field confinement, tunable dispersion diagram, lower ohmic losses, and flexible planar shapes.…”

Section: Introductionmentioning

confidence: 99%

Dual Beam Scanning Antenna Using Spoof Surface Plasmon Polaritons Transmission Line

Eltresy,

Zamel,

Attiya

2024

Preprint

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This paper presents dual beam scanning (DBS) antenna fed by two different spoof surface Plasmon Polaritons (SSPPs) transmission lines. Three rows of circular patches are placed on the two different planar SSPPs waveguide of the antenna. Whereas, the SSPP guided waves are converted into radiated waves by these patches. By using different shapes of unit cell different cut-off frequencies for the SSPP are generated. Consequently, two different propagation constants are obtained using the dispersion nature of SSPPs transmission line which leads to dual beam scanning feature of the proposed antenna. Two different simulation tools of CST and HFSS are used to simulate the antenna over the operating frequency band from 1 GHz to 6 GHz. The measured scanning angle of the first beam covers 35° and 33°, while covers 45° and 29° for the second beam, with maximum measured gain of 9.42 dBi for port 1 and 9.65 dBi for port 3, which makes. This flexibility allows for easier and more cost-effective deployment of 5G networks, as well as the potential for innovative use cases such as smart cities, Internet of Things (IoT), and autonomous vehicles.

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“…Recently, the multifunctional integrated devices, such as filtering power dividers (FPDs) have been widely reported, which can not only achieve power distribution and frequency selection functions simultaneously but also avoid the additional power loss and size increase caused by the devices cascade [18][19][20][21][22][23]. Hence, several FPDs are proposed based on SSPP structure fed by CPW [18], slotline SSPP unit cells [19,20], and hybrid SSPP and substrate integrated waveguide (SIW) structures [21][22][23]. In [19], an ultra-wideband FPD is designed based on the quasi Y-junction slotline SSPP transmission line constructed by the corrugated grooves.…”

Section: Introductionmentioning

confidence: 99%

Balanced Filtering Power Divider based on Odd-mode Hybrid Microstrip and Slotline Spoof Surface Plasmon Polaritons

Song,

Zhang

2023

ACES Journal

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In this paper, an ultra-wideband balanced filtering power divider (B-FPD) with high common mode (CM) suppression level is proposed. The B-FPD is designed based on the odd mode spoof surface plasmon polaritons (SSPPs), which are constructed by the hybrid folded microstrip and slotline (HFMS) structure. Firstly, the dispersion characteristic and electric field distribution of the HFMS SSPP unit cell are investigated, which can decrease the upper cut-off frequency for size reduction of nearly 50%. Next, an equal balanced power divider with low cut-off frequency is proposed based on the microstrip-to-slotline transition structure and slotline Y-junction. Then, the balanced power divider is used to excite the odd mode of HFMS SSPP structure. An equal B-FPD with center frequency of 4.0 GHz is implemented, and the 3-dB bandwidth covers 0.9 to 7.0 GHz. Finally, the B-FPD with advantages of high CM suppression level and compact size is fabricated and measured.

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Broadband bandpass filter and filtering power divider with enhanced slow-wave effect, compact size, and wide stopband based on butterfly-shaped spoof SPPs

Cited by 16 publications

References 33 publications

Compact Broadband Low-pass Filter with Novel Fishbone Structure Based on Spoof Surface Plasmon Polariton

Compact Broadband Low-pass Filter with Novel Fishbone Structure Based on Spoof Surface Plasmon Polariton

Dual Beam Scanning Antenna Using Spoof Surface Plasmon Polaritons Transmission Line

Balanced Filtering Power Divider based on Odd-mode Hybrid Microstrip and Slotline Spoof Surface Plasmon Polaritons

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