Tunable dual-band infrared chiral metamaterials based on double-layered asymmetric U-shape split ring resonators

2015 ◽  
Vol 74 ◽  
pp. 659-664 ◽  
Author(s):  
Yan-Peng Jia ◽  
Yong-Liang Zhang ◽  
Xian-Zi Dong ◽  
Mei-Ling Zheng ◽  
Zhen-Sheng Zhao ◽  
...  
Keyword(s):  
Ring Resonators ◽  
Dual Band ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Chiral Metamaterials

Dual-Band Patch Antennas Based on Short-Circuited Split Ring Resonators

2011 ◽  
Vol 59 (8) ◽  
pp. 2758-2765 ◽  
Author(s):  
Óscar Quevedo-Teruel ◽  
Malcolm Ng Mou Kehn ◽  
Eva Rajo-Iglesias
Keyword(s):  
Ring Resonators ◽  
Dual Band ◽  
Patch Antennas ◽  
Split Ring ◽  
Split Ring Resonators

scholarly journals Dual-Band High Q-Factor Complementary Split-Ring Resonators Using Substrate Integrated Waveguide Method and Their Applications

2019 ◽  
Vol 2019 ◽  
pp. 1-11
Author(s):  
Mehdi Hamidkhani ◽  
Rasool Sadeghi ◽  
Mohamadreza Karimi
Keyword(s):  
Phase Noise ◽  
Group Delay ◽  
Cavity Resonator ◽  
Practical Method ◽  
Ring Resonators ◽  
Dual Band ◽  
High Group ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Low Phase Noise

In modern microwave telecommunication systems, especially in low phase noise oscillators, there is a need for resonators with low insertion losses and high Q-factor. More specifically, it is of high interest to design resonators with high group delay. In this paper, three novel dual-band complementary split-ring resonators (CSRRs) featuring high group delay etched on the waveguide surface by using substrate integrated waveguides are investigated and proposed. They are designed for a frequency range of 4.5–5.5 GHz. Group delay rates for the first, second, and third resonators were approximated as much as 23 ns, 293 ns, and 90 ns, respectively. We also proposed a new practical method to develop a wide tuning range SIW CSRR cavity resonator with a small tuning voltage in the second resonator, which leads to about 19% and 1% of tuning frequency band in the first and second bands, respectively. Finally, some of their applications in the design of filter, diplexer, and low phase noise oscillator will be investigated.

Dual-band 90° polarization rotator using twisted split ring resonators array

2013 ◽  
Vol 291 ◽  
pp. 345-348 ◽  
Author(s):  
Cheng Huang ◽  
Xiaoliang Ma ◽  
Mingbo Pu ◽  
Guangwei Yi ◽  
Yanqin Wang ◽  
...  
Keyword(s):  
Ring Resonators ◽  
Dual Band ◽  
Split Ring ◽  
Split Ring Resonators ◽  
Polarization Rotator
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