本論文利用Pendry提出的理論模型，參考UCSD團隊的實驗系統，成功的在微波波段重現負折射率材質。並進一步實驗證明電磁波在負折射率材質中傳遞會產生相位反轉現象，以及利用負折射率材質為成像鏡組，達到突破傳統成像的繞射極限，實踐Pendry完美成像的想法。

In this thesis, we made left-hand meta-material which is formed by a periodic array of interspaced conducting nonmagnetic split ring resonator and continuous wire, the permeability and permittivity are effectively negative simultaneously, and hence the index of refraction is negative. We report a direct observation of phase advance in the range of X band (8-12.5 GHz) as a consequence of the appearance of negative index of refraction.
The sharpness of the image formed by a conventional lens is always limited by the wavelength of light. Recently, Pendry proposed a superlens with medium of negative index of refraction such that the resolution is not limited by wavelength. We report a direct observation of imaging beyond the limit of wavelength in the microwave range of X band.

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