Title :
A Novel Compact Left-Handed Transmision Line With Improved Split-Ring Resonators
Author :
Pan, Pan ; Wu, Qun ; Meng, Fan-Yi ; Zhang, Fang ; Lee, Jongchul
Author_Institution :
Dept. of Inf. Eng., Harbin Inst. of Technol., Harbin
Abstract :
A novel compact left-handed transmission line (LH-TL) metamaterial without vias or virtual ground is proposed in this paper. Based on the theory of hollow waveguide left-handed metamaterial and photonic bandgap (PBG), improved double split ring resonators (SRR) with electric connections among periodic cells patterned on the microstrip line is investigated. Compared with conventional SRR bulk left-handed metamaterials, this new structure does not have extra rods besides SRR so as to simplify design and fabrication on planar circuits. The dispersion characteristics are calculated by full wave simulation, results show that a phase advance (negative phase velocity) of the planar metamaterial in a relative bandwidth of over 25%. The influence of some parameters for LH-TL to the left-hand passband is also analyzed.
Keywords :
metamaterials; photonic band gap; resonators; transmission line theory; SRR bulk left-handed metamaterials; compact left-handed transmission line; left-hand passband; microstrip line; negative phase velocity; photonic bandgap; planar metamaterial; split-ring resonators; waveguide left-handed metamaterial; Circuits; Fabrication; Hollow waveguides; Metamaterials; Microstrip resonators; Optical ring resonators; Photonic band gap; Structural rods; Transmission line theory; Waveguide theory; SRR; left-handed transmission line; metamaterial; phase advance;
Conference_Titel :
Microwave Conference, 2007. APMC 2007. Asia-Pacific
Conference_Location :
Bangkok
Print_ISBN :
978-1-4244-0748-4
Electronic_ISBN :
978-1-4244-0749-1
DOI :
10.1109/APMC.2007.4554675
