Characteristics of surface waves in anisotropic left-handed materials |
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| Authors: | Jiang Yong-Yuan Shi Hong-Yan Zhang Yong-Qiang Hou Chun-Feng and Sun Xiu-Dong |
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| Affiliation: | Department of Physics, Harbin Institute of Technology, Harbin 150001, China |
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| Abstract: | We report the coexistence of TE and TM surface modes in certain same
frequency domain at the interface between one isotropic regular medium and
another biaxially anistotropic left-handed medium. The conditions for the
existence of TE and TM polarized surface waves in biaxially anisotropic
left-handed materials are identified, respectively. The Poynting vector and
the energy density associated with surface modes are calculated.
Depending on the system parameters, either TE or TM surface modes can
have the
time averaged Poynting vector directed to or opposite to the mode phase
velocity. It is seen that the characteristics of surface waves in biaxially
anisotropic left-handed media are significantly different from that in
isotropic left-handed media. |
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| Keywords: | biaxially anisotropic left-handed material surface wave dispersion relation |
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