Title :
Left-handed CTSRR-slot pair loaded microstrip transmission line
Author :
Vidyalakshmi, M.R. ; Rekha, B. ; Raghavan, Srinath ; Rao, P.H.
Author_Institution :
Dept. of Electron. & Commun. Eng., Nat. Inst. of Technol., Tiruchirappalli, India
Abstract :
A microstrip transmission line loaded with complementary triangular split ring resonators (CTSRR) and slots is proposed to provide a left- handed transmission line. The fabricated configuration exhibits a left- handed pass band with double negative effective medium parameters. A design procedure based on binary genetic algorithm is developed to calculate the dimensions of the proposed structure. The structure is characterized for its dispersion diagram which shows left handed pass band from 4.4 GHz to 4.7 GHz. Effective medium parameters are extracted based on equivalent circuit concepts and measured scattering parameters. Double negative existence is confirmed from 4.5 GHz to 4.7 GHz from the measurement results which show negative permeability and negative permittivity from 4.4 GHz to 4.7 GHz.
Keywords :
equivalent circuits; genetic algorithms; microstrip lines; permeability; permittivity; resonators; transmission lines; binary genetic algorithm; complementary triangular split ring resonator; dispersion diagram; double negative effective medium parameter; equivalent circuit; frequency 4.4 GHz to 4.7 GHz; left- handed pass band; left-handed CTSRR-slot pair loaded microstrip transmission line; permeability; permittivity; slot; Frequency measurement; Microstrip; Permeability measurement; Permittivity; Permittivity measurement; Scattering parameters; Transmission line measurements; Double negative material; Left-hand mode; complementary split ring resonator;
Conference_Titel :
Applied Electromagnetics Conference (AEMC), 2011 IEEE
Conference_Location :
Kolkata
Print_ISBN :
978-1-4577-1098-8
DOI :
10.1109/AEMC.2011.6256858
