Abstract
Enhanced transmission through a subwavelength aperture is observed at two frequency bands with employment of two split-ring-resonators (SRR) of different sizes. Each of the SRR is excited to produce resonance and the electric field energy localized in its gap and split region can be coupled into a small hole with a radius of 2.3 mm around the respective resonance frequency. The simulation results show that the energy through the small hole is increased at 5.94 GHz (r/λ1=0.045) and 7.03 GHz (r/λ2=0.054), where 1042-fold and 88-fold enhancements are obtained, respectively, in comparison with the case of a single isolated hole. Moreover, it is found that placing two identical SRR structures in front of the hole can realize higher enhanced transmission with respect to the case of only one SRR utilized. The electric field coupling-enhancement mechanism is well described by studying the electric field distribution.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
