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Journal articles on the topic 'Split ring resonators (SRR)'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Rajni, Rajni, Gurwinder Singh, and Anupma Marwaha. "Modeling of Split Ring Resonators loaded microstrip line with different orientations." International Journal of Electrical and Computer Engineering (IJECE) 5, no. 6 (2015): 1363. http://dx.doi.org/10.11591/ijece.v5i6.pp1363-1371.

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<p>This paper presents the different circuit approaches of the electric and magnetic interaction of Single Split Ring Resonator (SRR) loaded microstrip line. We loaded the microstrip line with planar square split ring resonator in different configurations and orientations. The modeling behavior of metamaterials-based microstrip lines loaded with single and two-mirrored split ring resonators is analyzed numerically in two orientations (with gap of SRR parallel and perpendicular to the line). The full wave simulations are performed for the single and two-mirrored split ring resonators load

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2

Bobowski, J. S. "Probing split-ring resonator permeabilities with loop-gap resonators." Canadian Journal of Physics 96, no. 8 (2018): 878–86. http://dx.doi.org/10.1139/cjp-2017-0436.

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A method is proposed to experimentally determine the effective complex permeability of split-ring resonator (SRR) arrays used in the design of metamaterials at microwave frequencies. We analyze the microwave response of a loop-gap resonator (LGR) whose bore has been partially loaded with one or more SRRs. Our analysis reveals that the resonance frequency, magnetic plasma frequency, and damping constant of the effective permeability of the SRR array can be extracted from fits to the reflection coefficient (S11) of an inductively coupled LGR. We propose LGR designs that would allow both a one-di

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3

Ahmed, Sadiq, and Madhukar Chandra. "Design of a dual linear polarization antenna using split ring resonators at X-band." Advances in Radio Science 15 (November 6, 2017): 259–67. http://dx.doi.org/10.5194/ars-15-259-2017.

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Abstract. Dual linear polarization microstrip antenna configurations are very suitable for high-performance satellites, wireless communication and radar applications. This paper presents a new method to improve the co-cross polarization discrimination (XPD) for dual linear polarized microstrip antennas at 10 GHz. For this, three various configurations of a dual linear polarization antenna utilizing metamaterial unit cells are shown. In the first layout, the microstrip patch antenna is loaded with two pairs of spiral ring resonators, in the second model, a split ring resonator is placed between

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4

Parvathy, A. R., V. G. Ajay, and M. Thomaskutty. "Circularly Polarized Split Ring Resonator Loaded Slot Antenna." Advanced Electromagnetics 7, no. 5 (2018): 1–6. http://dx.doi.org/10.7716/aem.v7i5.829.

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A compact circularly polarized printed slot antenna operating at 2.45 GHz is reported. The antenna consists of a pair of rotated square split ring resonators (SRR) inside a rectangular slot etched on the ground plane of an FR-4 dielectric substrate. A microstrip open-loop feed is etched on the backside of the dielectric substrate to feed the slot and the split ring resonators. The overall size of the antenna is 60x42x1.6 mm3. The measured -10dB impedance bandwidth is 10.48% (2.38-2.64 GHz) and the measured 3dB axial ratio (AR) bandwidth covers the entire impedance bandwidth.

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Abdurrahman Mulyadi, Rasheed, Muhammad Agy Ramdhan, Budi Syihabuddin, and Levy Olivia Nur. "Analisis Kinerja dan Karakterisasi Axially Asymmetric SRR sebagai Penyerap GEM C-Band (Performance Analysis and Characterization of Axially Asymmetric SRR for C-Band EM Wave Absorber)." Jurnal Nasional Teknik Elektro dan Teknologi Informasi 9, no. 1 (2020): 87–93. http://dx.doi.org/10.22146/jnteti.v9i1.139.

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In the last decade, planar electromagnetic (EM) wave absorbers began to be widely studied. This type of EM wave absorber is thin, flexible, and easy to fabricate, which allows absorber to be used in new future applications. Split Ring Resonators (SRR) are one of many forms of absorber that is known to have an excellent absorbance performance. In this paper, square patch absorber, Axial Symmetric SRR (AS-SRR), and Axially Asymmetric SRR (AAS-SRR) are designed and observed in C-Band. From the simulation results, we obtained a square cell size of 30 mm, AS-SRR of 20 mm, and AAS-SRR of 18 mm. The

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6

Naqui, Jordi, Lijuan Su, Javier Mata, and Ferran Martín. "Recent Advances in the Modeling of Transmission Lines Loaded with Split Ring Resonators." International Journal of Antennas and Propagation 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/792750.

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This paper reviews the recent advances in the modeling of transmission lines loaded with split ring resonators (SRRs). It is well known that these artificial lines can exhibit a negative effective permeability in a narrow band above the SRR fundamental resonance, providing stopband functionality. By introducing shunt inductive elements to the line, the stopband can be switched to a pass band with left-handed (LH) wave propagation. For the design of microwave circuits based on these artificial lines, accurate circuit models are necessary. The former circuit model of SRR-loaded lines was present

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7

FENG, YU, JIAN-PING SONG, and JIAN WU. "EFFECT OF DEFECT WIRES AND SPLIT RING RESONATORS ON MICROWAVE RESPONSE." International Journal of Modern Physics B 22, no. 05 (2008): 547–51. http://dx.doi.org/10.1142/s0217979208038715.

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The effect of defect introduced in wires and split ring resonators (SRRs) on the pass band and resonant frequency is investigated. The results show that there exists a shift for resonant frequency and a narrow pass band deduced by the introduction of defect into negative refractive index materials, the defect SRR affects the nonlinear microwave response significantly.

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8

Lalas, Antonios X., Nikolaos V. Kantartzis, and Theodoros D. Tsiboukis. "Metamaterial-based wireless power transfer through interdigitated SRRs." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 35, no. 4 (2016): 1338–45. http://dx.doi.org/10.1108/compel-09-2015-0318.

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Purpose – Wireless power transfer (WPT) is deemed as an emerging technology with exciting applications, like wireless charging devices, and electric vehicles, whereas metamaterials exhibit exceptional properties. For every WPT system that occupies coupled magnetic resonances, it is also mandatory to involve resonators. The purpose of this paper is to introduce a new interdigitated split-ring resonator (I-SRR) as the basic part of a WPT system, pursuing advanced levels of efficiency. Design/methodology/approach – A novel WPT system, which exploits I-SRRs as its elementary blocks, is comprehensi

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9

Akhir, Siti Aminah Md, Siti Zuraidah Ibrahim, Nurshamimi Rosli, Aini Syuhada Md Zain, and Nurehansafwanah Khalid. "Antenna for humidity sensor using split ring resonator." Indonesian Journal of Electrical Engineering and Computer Science 13, no. 2 (2019): 584. http://dx.doi.org/10.11591/ijeecs.v13.i2.pp584-590.

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<span>This paper presents an antenna as a humidity sensor application to control and monitor the quality of humidity. A passive sensor tag with low cost solution is suggested where it implemented on a low-cost substrate, FR4. A capacitive sensor that works from 0 to 1.5 GHz is implemented in the design. The capacitive sensor is designed based on a small antenna loaded with a Split ring resonator (SRR). To sense the humidity, the SRR resonator is coated with Kapton, placed on the top of the resonator. To validate the proposed method, a prototype was fabricated. The comparison between simu

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10

Peng, Haijun, Chunhua Wang, Lv Zhao, and Jun Liu. "Novel SRR-loaded CPW-fed UWB antenna with wide band-notched characteristics." International Journal of Microwave and Wireless Technologies 9, no. 4 (2016): 875–80. http://dx.doi.org/10.1017/s1759078716000702.

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This paper presents the design of a split-ring resonators (SRR) loaded coplanar waveguide-fed ultra-wide band (UWB) antenna. As using the electromagnetic coupling SRR connected by open-ended microstrip lines, this UWB antenna achieves wide band-notched characteristics. The frequency of the proposed antenna operates from 2.37 to 10.93 GHz with a broad notch band covers from 4.96 to 6.15 GHz (IEEE 802.11.ac), the relative stopped bandwidth of the notch band achieves 20.42%. Besides, theoretical analysis and experimental results are proposed to illustrate and validate this proposed antenna.

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11

Prabhakar, Dudla, C. Rajendra Babu, V. Adinarayana, and V. Prasad. "A Hybrid Approach on Metamaterial-Loaded Fractal Antenna Design." Applied Computational Electromagnetics Society 35, no. 9 (2020): 1022–29. http://dx.doi.org/10.47037/2020.aces.j.350907.

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The paper provides the interoperable hybrid Grasshopper–Grey Wolf optimization (GHGWO) of the Square Split-Ring Resonator (SRR) metamaterial unit cell. This paper discusses the complex phase strategies of the electric and magnetic interplay of the charged microstrip line of the split ring resonator (SRR). Optimized unit of metamaterial cells for their bandwidth enhancement is packed into a new square fractal antenna. In the interim period of dual band efficiency, a new design is introduced for a microstrip line-feeding square fractal antenna with a faulty ground composition. In the second stag

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12

Elkorany, A. S., G. Ahmed, D. Saleeb, and H. A. Mohamed. "Tunable Elliptical Split Ring Resonator Using Single Varactor Diode." Advanced Electromagnetics 7, no. 1 (2018): 7–12. http://dx.doi.org/10.7716/aem.v7i1.580.

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In this paper, the effect of changing the structure of split ring resonator SRR from circular to elliptical shape is presented and tested. The theoretical analysis of circular SRR (CSRR) is tested and its results are compared with the simulated ones. Comparison between both configurations is introduced. The new elliptical SRR (ESRR) can be adapted to operate in multi range of frequencies. The effect of gap position in ESRR resonant is also examined. When both gaps are moved but still aligned, the resonant frequency still the same. But when single gap is moved only the resonant frequency the re

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13

Ma, Wei, Yong Zheng Wen, Rui Zhao, and Xiao Mei Yu. "Constructing Dual Band Metamaterial Absorbers at Mid-Infrared by Employing Multi-Resonant Structures." Key Engineering Materials 645-646 (May 2015): 1059–63. http://dx.doi.org/10.4028/www.scientific.net/kem.645-646.1059.

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In this paper, we present two metamaterial absorbers (MMA) at mid-infrared using multi-resonant structures. The dual band MMAs employ the typical metal/dielectric/metal structure with 80 nm gold ground plane at the bottom, 190 nm SiO2 dielectric spacer in the middle and periodic gold patterns on top. The top resonant structure in MMA1 consists of a gold cross resonator ringed by four gold split-ring resonators (SRR) at the ends of the cross, while in the unit cell of MMA2, gold SRRs are placed at the four quadrants of the cross resonator. MMA1 shows two absorption peaks of 90.3% and 88.4% at 4

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14

Hu, Xin, Qiaoli Zhang, and Sailing He. "Dual-band-rejection filter based on split ring resonator (SRR) and complimentary SRR." Microwave and Optical Technology Letters 51, no. 10 (2009): 2519–22. http://dx.doi.org/10.1002/mop.24596.

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15

al-Behadili, Amer Abbood, Iulia Andreea Mocanu, Norocel Codreanu, and Mihaela Pantazica. "Modified Split Ring Resonators Sensor for Accurate Complex Permittivity Measurements of Solid Dielectrics." Sensors 20, no. 23 (2020): 6855. http://dx.doi.org/10.3390/s20236855.

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In this paper, a sensor using modified Split Ring Resonators (SRRs) is designed, simulated, fabricated, and used for advanced investigation and precise measurements of the real part and imaginary part solid dielectrics’ permittivity. Adding vertical strips tightly coupled to the outer ring of the SRR leads to the appearance of two resonant frequencies at 1.24 GHz and 2.08 GHz. This modified geometry also assures an improved sensitivity. Using the full wave electromagnetic solver, both the unloaded and loaded sensors are investigated. The numerical simulations are used to develop a mathematical

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16

Woo, Duk-Jae, Taek-Kyung Lee, and Jae-Wook Lee. "Split Ring Resonator-Based Bandstop Filter with an Enhanced Bandwidth." Journal of Korean Institute of Electromagnetic Engineering and Science 21, no. 5 (2010): 544–52. http://dx.doi.org/10.5515/kjkiees.2010.21.5.544.

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17

Liu, Yong, Xiaohong Tang, Zhong Xun Zhang, and Xiao Long Huang. "NOVEL NESTED SPLIT-RING-RESONATOR (SRR) FOR COMPACT FILTER APPLICATION." Progress In Electromagnetics Research 136 (2013): 765–73. http://dx.doi.org/10.2528/pier12121306.

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18

Kim, Girae. "Implementation of RF Oscillator Using Microstrip Split Ring Resonator (SRR)." Journal of the Korean Institute of Information and Communication Engineering 17, no. 2 (2013): 273–79. http://dx.doi.org/10.6109/jkiice.2013.17.2.273.

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19

Wang, Shu Juan. "SRR-Based High Gain Microstrip Antenna with Low Radar Cross Section." Applied Mechanics and Materials 644-650 (September 2014): 4092–94. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.4092.

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The split ring resonators (SRR) is designed to work at X band and its equivalent medium parameters are estimated by using the equivalent analysis method. The high gain microstrip antenna, which is based on Photonic BandGap (PBG) structure, is also studied. To make the scattering wave deviates mirror direction and reduce the out-band Radar Cross Section (RCS) without affecting the performance of antenna, the designed SRR is used as the cover of PBG structure microstrip antenna. The results show that the forward gain of PBG structure antenna is 0.8 dB higher than the tradition antenna. After the

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20

Ishfaq, Muhammad Kamran, Tharek Abd Rahman, Hassan Tariq Chattha, and Masood Ur Rehman. "Multiband Split-Ring Resonator Based Planar Inverted-F Antenna for 5G Applications." International Journal of Antennas and Propagation 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/5148083.

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5G, the fifth generation of wireless communications, is focusing on multiple frequency bands, such as 6 GHz, 10 GHz, 15 GHz, 28 GHz, and 38 GHz, to achieve high data rates up to 10 Gbps or more. The industry demands multiband antennas to cover these distant frequency bands, which is a task much more challenging. In this paper, we have designed a novel multiband split-ring resonator (SRR) based planar inverted-F antenna (PIFA) for 5G applications. It is composed of a PIFA, an inverted-L parasitic element, a rectangular shaped parasitic element, and a split-ring resonator (SRR) etched on the top

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21

Salim, Ahmed, Saptarshi Ghosh, and Sungjoon Lim. "Low-Cost and Lightweight 3D-Printed Split-Ring Resonator for Chemical Sensing Applications." Sensors 18, no. 9 (2018): 3049. http://dx.doi.org/10.3390/s18093049.

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In this paper, a microwave cavity resonator is presented for chemical sensing applications. The proposed resonator is comprised of a three dimensional (3D) split-ring resonator (SRR) residing in an external cavity and capacitively coupled by a pair of coaxial probes. 3D-printing technology with polylactic acid (PLA) filament is used to build the 3D SRR and cavity. Then, the surfaces of the SRR and the inside walls of cavity are silver-coated. The novelty of our proposed structure is its light weight and inexpensive design, owing to the utilization of low density and low-cost PLA. A Teflon tube

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22

Naqui, Jordi, Miguel Duran-Sindreu, and Ferran Martin. "Modeling Split-Ring Resonator (SRR) and Complementary Split-Ring Resonator (CSRR) Loaded Transmission Lines Exhibiting Cross-Polarization Effects." IEEE Antennas and Wireless Propagation Letters 12 (2013): 178–81. http://dx.doi.org/10.1109/lawp.2013.2245095.

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23

Xue, Feng, Shao-Bin Liu, Hai-Feng Zhang, Yong-Diao Wen, Xiang-Kun Kong, and Hai-Ming Li. "A novel reconfigurable electromagnetically induced transparency based on S-PINs." International Journal of Modern Physics B 32, no. 04 (2018): 1850030. http://dx.doi.org/10.1142/s0217979218500303.

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In this paper, a tunable electromagnetically induced transparency (EIT) based on S-PINs is theoretically analyzed. Unit cell of the structure consists of a cutwire (CW), split ring resonator (SRR), and solid state plasma (SS plasma) patches which are composed of S-PIN array. The destructive interference between the CW and SRR results in a narrowband transparency window accompanied with strong phase dispersion. The proposed design can obtain a tunable EIT with different frequencies range from 12.8 GHz to 16.5 GHz in a simple method by switching these S-PINs on or off selectively. The related pa

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24

Huang, Yu, and Li Hua Wu. "Nonlinear TE-Polarized Surface Plasmons at the Interface between Graphene and Metamaterials." Advanced Materials Research 933 (May 2014): 47–51. http://dx.doi.org/10.4028/www.scientific.net/amr.933.47.

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Nonlinear TE-polarized surface plasmons localized at the interface between graphene and metamaterials are investigated analytically. The normalized momentum of graphene surface plasmons at the interface between graphene and metamaterials composed of arrays of wires and split-ring resonators (SRR) embedded into a nonlinear dielectric exhibits bistable behavior with the magnetic field intensity. The effect is explained by the hysteresis-type dependence of the nonlinear permeability of metamaterials on the field intensity.

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Du, Bo, Q. Zhao, Ji Zhou, and L. Kang. "Properties and Numerical Simulation of Electromagnetic Meta-Materials (SRR) Based on Ceramic Substrate." Key Engineering Materials 368-372 (February 2008): 570–72. http://dx.doi.org/10.4028/www.scientific.net/kem.368-372.570.

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Electromagnetic meta-materials are artificial and periodical materials which both the permittivity and permeability are simultaneously negative. Electromagnetic meta-materials represent a new concept where composite materials are designed to display particular properties. The work which we had finished includes theoretical design and numerical simulation of the structure, fabrication of the samples and measurement of the properties. We designed electromagnetic meta-materials which composed by periodic split ring resonators (SRR) based on ceramics and then researched the influence by microwave

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26

Li, Linpeng, Shengze Ye, Jianchun Xu, et al. "Split-ring resonator-based compact microstrip antenna." Modern Physics Letters B 33, no. 04 (2019): 1950043. http://dx.doi.org/10.1142/s021798491950043x.

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Compact microstrip antennas based on split-ring resonator (SRR) structure are proposed and fabricated in this paper. The resonant frequency of the antennas is discussed upon different geometric structures. The influencing mechanism of the antenna parameters on resonant frequency is analyzed. The analytical and experimental analyses are carried out and proved that the resonant frequency can be controlled from 13.5 GHz to 17.2 GHz by tuning some of the crucial parameters. A good agreement between the simulations and the measurement results suggests that the proposed antenna can be designed at di

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27

Brandl, Martin, and Lisa-Marie Wagner. "Microwave Oscillator Design for a SRR Based Biosensor Platform." Proceedings 2, no. 13 (2018): 865. http://dx.doi.org/10.3390/proceedings2130865.

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A sensor for biomedical markers based on a split ring microwave resonator (SRR) was developed. The surface of the microwave resonator is covered with receptors that specifically bind to the target proteins where the local permittivity is changed. The resonator is part of a microwave oscillator circuit. Changes in the local permittivity caused by coupling of the target proteins result in a change of oscillator frequency which can be easily and accurate measured with high sensitivity.

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28

Zhang, Jie, Wei Shi, and Mo Hai Guo. "Multi-Channel Metamaterial Sensor Based on Split Ring Resonator." Advanced Materials Research 787 (September 2013): 24–29. http://dx.doi.org/10.4028/www.scientific.net/amr.787.24.

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Metamaterials are artificial materials engineered to have exotic properties that may not be found in nature, and it provides a novel tool to significantly enhance the sensitivity of sensors, and open new degrees of freedom in sensing design aspect. In this paper, a metamaterial sensor based on microstrip-line-excited SRR is developed, and its properties are analyzed in theory and simulated by full wave simulations. The results show good agreement with the theory. On this basis, single-channel sensor is extended to two channels and even four channels sensor. By observing and comparing the trans

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29

K. M., Smitha, Aju John K. K., and Thomaskutty Mathew. "CPW fed SRR loaded monopole antenna for triple band operations." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 3 (2020): 3145. http://dx.doi.org/10.11591/ijece.v10i3.pp3145-3151.

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A planar CPW fed SRR loaded monopole antenna based on split ring resonator with triple-band operations is reported for passive UHF RFID, Wireless Local Area Networks (WLAN) and World Interoperability for Microwave Access (WiMAX) applications. Measured and simulated results show the effect of tapering of the SRR layer on bandwidth improvement and gain enhancement in comparison to monopole with SRR antenna. The CPW fed SRR loaded monopole antenna has a bidirectional pattern with high gain for wireless communication applications.

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Rusdiyanto, Dian, Catur Apriono, and Dian Widi Astuti. "Analisis Parameter Antena Mikrostrip dengan Metode Split Ring Resonator pada Frekuensi L-Band." Matrix : Jurnal Manajemen Teknologi dan Informatika 10, no. 3 (2020): 133–39. http://dx.doi.org/10.31940/matrix.v10i3.2176.

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Pada penelitian ini dilakukan perancangan antena mikrostrip dengan menggunakan metode split ring resonator (SRR) untuk aplikasi pada frekuensi L-Band. Antena ini mempunyai dimensi substrat 90 mm x 50 mm dengan panjang patch 60 mm dan lebar patch 44 mm. Desain antena menggunakan material FR4-Epoxy dengan spesifikasi konstanta dielektrik 4,6 dengan ketebalan 1,6 mm dan dielectric loss tangent 0,02. Pada penelitian ini, parameter yang mengalami perubahan signifikan adalah lebar patch SRR, gap SRR, dan posisi SRR pada ground plane. Desain patch SRR dengan nilai sepertiga panjang gelombang pada fre

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Adhiyoga, Y. G., C. Apriono, and E. T. Rahardjo. "Radiation Characteristics of Artificial Magneto-Dielectric Antenna Loaded with Split-Ring Resonator Array." Advanced Electromagnetics 9, no. 3 (2020): 32–38. http://dx.doi.org/10.7716/aem.v9i3.1438.

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This study proposes a simple artificial magneto-dielectric (MD) antenna with a split-ring resonator (SRR) loaded in an array configuration. This SRR element is used to realize the MD characteristic that is beneficial for antenna miniaturization. The simulation of material permittivity and permeability is conducted to ensure that the proposed SRR-array configuration has the expected MD characteristic. Configurations of SRR in arrays of 3×3, 5×5, 7×7, and 9 × 9 are realized to obtain its radiation characteristics when embedded in the antenna ground plane. A rectangular patch antenna is used in t

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Syahputra, Romi Fadli, Yan Soerbakti, Riad Syech, Erman Taer, and Saktioto Saktioto. "Effect of Stripline Number on Resonant Frequency of Hexagonal Split Ring Resonator Metamaterial." Journal of Aceh Physics Society 9, no. 1 (2020): 26–30. http://dx.doi.org/10.24815/jacps.v9i1.15432.

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Piranti-piranti elektronik maupun optoelektronik yang efisien dan responsif saat ini tengah masif dikembangkan dalam beragam bentuk dan jenis. Meta-material merupakan rancangan optoelektronik yang unik dengan sifat elektromagnetik yang tidak ditemukan secara alami, salah satunya adalah peristiwa indeks bias negatif. Eksplorasi terhadap banyak ragam struktur metamaterial sangat penting dilakukan untuk mengidentifikasi karakteristik tiap struktur. Salah satu struktur metamaterial yang menarik dikaji adalah bentuk heksagonal. Penelitian ini menginvestigasi karakteristik frekuensi resonan dan dist

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33

Sen, Sarbani, Tamasi Moyra, and Dwipjoy Sarkar. "Modelling and validation of microwave LPF using modified rectangular split ring resonators (SRR) and defected structures." AEU - International Journal of Electronics and Communications 88 (May 2018): 1–10. http://dx.doi.org/10.1016/j.aeue.2018.02.009.

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Zhou, Xin, Min Ouyang, Zhibing Wang, Diwu Yang, and Jun He. "Optical transmission through metallic split-ring resonator with inner cross dimer array." Modern Physics Letters B 30, no. 29 (2016): 1650353. http://dx.doi.org/10.1142/s021798491650353x.

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We investigate numerically the optical properties through gold split-ring resonator (SRR) with inner cross dimer array by using the finite difference time domain (FDTD) method. The dependence of the geometrical parameters on the optical properties of SRR with inner cross dimer array is studied. The study covers the change of transmission spectra with the metallic cross arm length, width of air slits, width of SRRs and environmental dielectric constants. The spatial distributions of the electric and magnetic fields are also discussed to further understand more basic physical mechanisms behind s

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35

Chaires, Jordan, David Schumerth, Cole Drawdy, and Weiguo Yang. "Gain Incorporated Split-Ring Resonator Structures for Active Metamaterials." Advances in OptoElectronics 2015 (August 26, 2015): 1–9. http://dx.doi.org/10.1155/2015/247630.

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We present a systematic study of split-ring resonator (SRR) structures that are used as the basic building blocks of active metamaterials with incorporated gain. The active split-ring resonator (aSRR) structures with gain elements can in theory have similar unusual electromagnetic responses such as negative effective permeability near their resonance of the artificial magnetic response just like their passive counterparts. At the same time aSRRs can have reversed imaginary part of the effective permeability and, therefore, mitigate the loss of passive SRRs. We explored in detail both passive a

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36

Wahhab, Ahmed Adnan, Ali A. Abduljabar, and Hayder Jawad Albattat. "Microstrip Stopband Split Ring Resonator For Microwave Microfluidic Sensing." Al-Qadisiyah Journal for Engineering Sciences 13, no. 2 (2020): 74–79. http://dx.doi.org/10.30772/qjes.v13i2.632.

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Stopband split ring resonator (SSRR) is presented in this paper for measuring complex permittivity of liquid with different position of microfluidic channel operates at resonant frequency of 1 GHz. The sensor was fabricated and microfluidic channel is located in the gap groove with two different positions of the carrier where the electric field is as large as possible. The sensor has been tested with several solvents to verify its sensitivity where the electric field interacts with the liquid filled in a quartz tube and hence alter the SRR behavior. The electromagnetic properties (complex perm

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Jaksic, Zoran, Dana Vasiljevic-Radovic, Milan Maksimovic, Milija Sarajlic, and Zoran Djuric. "Nanofabrication of planar split ring resonators for negative refractive index metamaterials in the infrared range." Journal of the Serbian Chemical Society 71, no. 6 (2006): 695–703. http://dx.doi.org/10.2298/jsc0606695j.

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Experimental nanofabrication of planar structures for one-dimensional metamaterials designed to achieve a negative effective refractive index in the mid-infrared range (5-10 micrometers) was performed. Double split ring and complementary double split ring resonators (SRR and CSRR) with square and circular geometries, were chosen to be fabricated since these are the basic building blocks to achieve a negative effective dielectric permittivity and magnetic permeability. Scanning probe nanolithography with z-scanner movement was used to fabricate straight-line and curvilinear segments with a line

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Dean, Robert, and Jonathan Richard. "Testing of Flexible Metamaterial RF Filters Implemented through Micromachining LCP Substrates." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2012, DPC (2012): 001115–38. http://dx.doi.org/10.4071/2012dpc-tp35.

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Metamaterials have a wide range of potential uses in areas such as optics, transmission lines, and RF design. The simplest metamaterial structures are Split-Ring Resonators (SRR) and Complementary Split-Ring Resonators (CSSR). Through the combination of various forms of these structures, different applications in the areas previously stated can be achieved. Under this investigation, a metamaterials transmission line was realized through micromachining a Liquid Crystal Polymer (LCP) substrate. Not only does LCP possess useful RF properties, it is flexible and micromachinable. This transmission

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Sabban, Albert. "Compact Wearable Meta Materials Antennas for Energy Harvesting Systems, Medical and IOT Systems." Electronics 8, no. 11 (2019): 1340. http://dx.doi.org/10.3390/electronics8111340.

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Demand for green technologies and green energy is in continuous growth in the last decade. Compact efficient radiators are very important for energy harvesting portable systems. Small antennas have low efficiency. The efficiency of communication and energy harvesting systems may increase by using efficient passive and active antennas. The system dynamic range may be improved by connecting amplifiers to the printed antenna feed line. Design, design considerations, computed and measured results of wearable meta-materials antennas with high efficiency for energy harvesting applications are presen

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Y. Iliyasu, Adamu, Mohamad Rijal Bin Hamid, Mohamad Kamal A Rahim, and Mohd Fairus Bin Mohd Yusoff. "Wideband frequency reconfigurable metamaterial antenna employing SRR and CSRR for WLAN application." Indonesian Journal of Electrical Engineering and Computer Science 15, no. 3 (2019): 1436. http://dx.doi.org/10.11591/ijeecs.v15.i3.pp1436-1442.

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This paper presents the design of Wideband Frequency Reconfigurable Metamaterial Antenna by Employing Split Ring Resonator (SRR) and Complementary Split Ring Resonator (CSRR) for Wireles Area Network (WLAN) Apllication. The design is based on reconfiguring wideband metamaterial antenna by applying frequency reconfiguration technique. This was achieved by employing SRR and CSRR for bandwidth enhacement and two PIN Diode switches at different position for reconfiguration. The antenna has electrical dimention of at 2.4 GHz. Computer Simulation Technology (CST) Software was used to determine the e

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Xu, Wei Kai, Ying Chun Tang, and Wei Wang. "Study on the Electromagnetic Responses of Split Ring Resonator in THz Regions." Advanced Materials Research 760-762 (September 2013): 302–5. http://dx.doi.org/10.4028/www.scientific.net/amr.760-762.302.

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By using the numerical simulation techniques, the response characteristics of single split-ring resonator (SRR) in a broadband terahertz region are analyzed. We examine the transmission and dispersion characteristics of the SRR and show that there are different resonances while changing the orientations of electric field vector relative to the gap-bearing sides. Two significant resonances corresponding to electric response and magnetic response will be observed while the electric field vector perpendicular to the gap-bearing side, and only one electric resonance occurs when the electric field

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Olokede, Seyi S., Nurul A. Mohd-Razif, and Nor M. Mahyuddin. "Turn Ratio, Substrates’ Permittivity Characterization, and Analysis of Split Ring Resonator Based Antenna." International Journal of Microwave Science and Technology 2015 (November 3, 2015): 1–9. http://dx.doi.org/10.1155/2015/453710.

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The turn ratio, coupling space between sections, and substrate permittivity effects on spilt ring resonator (SRR) are investigated. The analysis of the presented SRR with respect to the effects of substrate and number of gaps per ring to further characterize its peculiarities is experimented with miniaturized capability as our intent. Six different SRRs were designed with different turn ratios, and the sixth is rectangular microstrip patch centre-inserted. Different numbers and gap sizes are cut on the SRRs while the gap spacing between the conductors of the SRR was varied to determine their e

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Kim, Gi-Rae. "Implementation of Voltage Controlled Oscillator Using Planar Structure Split Ring Resonator (SRR)." Journal of the Korean Institute of Information and Communication Engineering 17, no. 7 (2013): 1538–43. http://dx.doi.org/10.6109/jkiice.2013.17.7.1538.

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Park, Wook-Ki, Hyun-Yong Lim, Dong-Woo Kim, and Soon-soo Oh. "A Frequency-Tunable SRR-Adopted Two-Pole Waveguide Filter Operating below the Cutoff Frequency." International Journal of Antennas and Propagation 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/3915709.

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A frequency-tunable filter operating below the cutoff frequency of a metallic hollow waveguide is proposed, which has two-pole bandpass characteristics and incorporates a split-ring resonator (SRR). The tuning procedure is achieved by inserting two metal screws. The screws adjust the magnetic- field passing through the center of the SRR. The effect of SRR orientation was investigated and the optimum orientation proposed. Our results indicated an operating frequency range of 2.0 to 2.35 GHz, which is lower than the cutoff frequency of the waveguide of 4.9 GHz by more than 2.55 GHz. The proposed

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Pal, Debasish, Rahul Singhal, Abhishek Joshi, and Ayan Kumar Bandyopadhyay. "Multiband planar antenna with CSRR loaded ground plane for WLAN and fixed satellite service applications." Frequenz 74, no. 11-12 (2020): 393–99. http://dx.doi.org/10.1515/freq-2020-0012.

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AbstractIn this paper, a novel approach to achieve multiband antenna operation using metamaterial based resonant structures is presented. Multiband antenna operation is achieved by employment of complementary split ring resonators (CSRR) printed in the ground plane. The CSRRs resonate at different frequencies according to their optimized dimensions. Proposed approach features simple design and fabrication possibility compared to other methods of achieving multiband antenna operation such as usage of composite right/left-handed (CRLH) transmission line or split ring resonators (SRR) or CSRR aro

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Vazquez, Fabian, Alejandro Villareal, Alfredo Rodriguez, Rodrigo Martin, Sergio Solis-Najera, and Oscar Rene Marrufo Melendez. "Electric Field Sensing with a Modified SRR for Wireless Telecommunications Dosimetry." Electronics 10, no. 3 (2021): 295. http://dx.doi.org/10.3390/electronics10030295.

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Split ring resonators (SRRs) have been used extensively in metamaterials, showing a strong localization and enhancement of fields, which significantly improves the sensitivity and resolution of the electromagnetic field sensors. We propose the development of an electric field sensor for 2.4 GHz industrial, scientific, and medical (ISM) band applications, by modifying the renowned SRR to contain three concentric pairs of rings. The reduced size makes the sensor affordable for experiments by inserting it in phantoms in order to measure the specific absorption rate (SAR). Power was transmitted fr

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Dakhli, Saber, Hatem Rmili, Kourosh Mahdjoubi, Jean-Marie Floc’h, and Fethi Choubani. "Analysis of a Compact and Superdirective Metamaterial-Inspired Monopole Antenna." International Journal of Antennas and Propagation 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/806379.

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The directivity of a metamaterial-inspired compact (0.145λ0) monopole antenna was investigated. The proposed structure is composed of a split-ring resonator (SRR) parasitic element placed in the vicinity of a monopole antenna. Two configurations denoted by A1 and A2 were considered depending on the position of the slot in the SRR element. By analyzing simulated and measured results, the superdirectivity (7.5 dBi for A1 and 9 dBi for A2) of the structure was discussed. It is found that the monopole-SRR and/or ground plane-SRR coupling effects may be responsible for the superdirectivity of the s

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Nornikman, H., Muhammad Ramlee Kamarudin, Badrul Hisham Ahmad, and Mohamad Zoinol Abidin Abd Aziz. "Design Tri-Band Fractal Antenna with Minkowski Island Split Ring Resonator Structures." Applied Mechanics and Materials 781 (August 2015): 73–76. http://dx.doi.org/10.4028/www.scientific.net/amm.781.73.

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The paper investigates the effect of Minkowski Island split ring resonator (MI-SRR) on the microstrip fractal patch antenna. Firstly, a basic Minkowski Island had been simulated in the CST Microwave Studio. Then, the addition of several sizes of the Minkowski Island split ring resonator on the substrate had been generated tri-band resonant frequencies. The optimal result of this tri-band antenna 2.394 GHz, 3.528 GHz and 5.257 GHz with a gain of 0.874 dB, 1.41 dB and 2.94 dB and the reflection coefficient magnitudes of - 21.945 dB, - 17.154 dB and – 16.536 dB. The reflection coefficient magnitu

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Nasiri, Badr, Ahmed Errkik, Jamal Zbitou, Abdelali Tajmouati, Larbi El Abdellaoui, and Mohamed Latrach. "A Compact Planar Low-Pass Filter Based on SRR-Metamateria." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (2018): 4972. http://dx.doi.org/10.11591/ijece.v8i6.pp4972-4980.

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In this work, a novel design of a Microstrip Low-pass filter based on metamaterial square split ring resonators (SRRs) is proposed. The SRRs has been added to obtain a reduced size and high performances. The filter is designed on an FR-4 substrate having a thickness of 1.6mm, a dielectric constant of 4.4 and loss tangent of 0.025. The proposed low-pass filter is characterized by a cutoff frequency of 2.4 GHz and an attenuation level below than -20dB in the stopband. The LPF is designed, simulated and optimized by using two electromagnetic solvers CST microwave studio and ADS. The computed resu

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Labidi, Mondher, and Fethi Choubani. "Electrical equivalent model of meta-materials based on circular SRR." International Journal of Microwave and Wireless Technologies 8, no. 6 (2015): 909–13. http://dx.doi.org/10.1017/s1759078715000604.

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This work focuses on the circuit modeling and full-wave analysis behavior of circular split ring resonator (SRR). We investigate an equivalent circuit model that allows calculating the resonant frequency from the geometric parameters. Equivalent LC parameters of inductance and capacitance are derived using conformal mapping and constitutive equations. Lumped element equivalent circuit models of resonator are investigated highlighting the behavior of inductance and capacitance. In order to validate our proposed analytical LC model, a comparison of theoretical and simulation results has been per

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