Electromagnetic Wave Propagation Characteristics In Anisotropic Left-handed Materials

Left-handed material (LHM) is a new type of artificial materials. Because it is the material with simultaneously negative permittivityεand permeabilityμ, compared with the regular material, left-handed material has some unusual properties as follows: negative refractive index, inverse Doppler effect, inverse Cerenkov radiation, anti-paralled phase and group velocities, and so on. A Russian physicist named V. G. Veselago is the first man who put forward the theory of left-handed material in 1968. Because it doesn't exist in the nature, its development is slow. Recently, J. B. Penduy and D. R. Smith synthesized the left-handed material artificially. The studies on the left-handed material are drawn attention once more. The researchers study it in both theory and laboratory and have some achievement. Because of its forward position and tremendous practical value, the thesis mainly focuses on the analysis and study of the properties of electromagnetic wave propagating in the anisotropic LHM.Firstly, the current situations on LHM investigations around the world and the theoretical and experimental foundament about it are studied in this thesis. the potential application of LHM is also presented.Secondly, we make the theoretical analysis of characteristics of electromagnetic wave propagation in isotropic LHM.We study the refraction and reflection law and Goos-H?nchen shift of electromagnetic wave at the surface of regular materials and isotropic LHM.Thirdly, we study the characteristics of electromagnetic wave propagation in anisotropic LHM.It's mainly discussed that the refraction and reflection and total transmission of electromagnetic wave propagating in the biaxially anisotropic LHMs.It's also discussed that anomalous transmission of evanescent waves through a slab of biaxially anisotropic LHM and Goos-H(a|¨)nchen shift at the surface of regular materials and biaxially anisotropic LHM.Finally,imaging properties of biaxially LHM are theoretically studied. The theoretical investigations are presented on imaging properity of a point source propaging through a biaxially anisotropic LHM slab. We detailly discussed the conditions that the slab of biaxially anisotropic left-handed media will act like lens. From these investigations, the unusual properties of LHM are presented.Through our investigations, it is helpful for other researchers to study the properties and application of LHM further.