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Chiral and magnetic effects on the dispersion curves of an annular waveguide

✍ Scribed by Sonali Ganguly; Kh. S. Singh; P. Khastgir; S. P. Ojha

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
150 KB
Volume
15
Category
Article
ISSN
0895-2477

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✦ Synopsis

We present a theoretical study of electromagnetic wa¨e propagation through an annular wa¨eguide with a chiral material in its guiding region and a dielectric material in the cladding. The modal characteristic equation has been deri¨ed. As expected, chirality admittance and magnetic properties in the guiding region affect the modal beha¨ior of the wa¨eguide. It is found that if the permeability is held fixed, an increase in the chirality admittance in the guiding region results in a decrease in the number of guided modes. On the other hand, for a gi¨en chirality, an increase in permeability of the guiding region results in an increase in the number of guided modes.

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