Title :
Dispersion characteristics of metamaterial loaded helical guide
Author :
Sharma, D.K. ; Pathak, Saket Kumar
Author_Institution :
Inst. for Plasma Res., Gandhinagar, India
Abstract :
The dispersion characteristics (ω - β diagram) of metamaterial loaded helical guide is analyzed and presented to understand the slow wave characteristics which finds potential applications in optical switches, memories and microwave photonics. A comparative study has been done against normal helical guide and it is found that unique characteristics of a helical guide to slow down the guided wave is highly boosted-up due to metamaterial insertion. Other modal properties such as presence of two fundamental modes - backward and forward wave and their lower cut-off frequency (LCF) as well as bandwidth spectrum are also revealed.
Keywords :
helical waveguides; microwave metamaterials; optical dispersion; optical metamaterials; photonic switching systems; ω-β diagram; LCF; backward wave fundamental mode; backward wave material; bandwidth spectrum; dispersion characteristics; electromagnetic structures; forward wave fundamental mode; left-handed material; lower cut-off frequency; memories; metamaterial insertion; metamaterial loaded helical guide; microwave photonics; optical switches; slow wave characteristics; Dispersion; Equations; Loading; Metamaterials; Optical waveguides; Slabs;
Conference_Titel :
Microwave and Photonics (ICMAP), 2013 International Conference on
Conference_Location :
Dhanbad
Print_ISBN :
978-1-4799-2176-8
DOI :
10.1109/ICMAP.2013.6733484
