A new simple method to fabricate single negative metamaterials (SNM) based on the coplanar waveguide (CPW) was studied. It was found that the epsilon-negative metamaterial (ENM) could be realized (under the frequency f 0 = 3.67 GHz for our experiment) when the sole shunt chip inductors were loaded onto the CPW, and the mu-negative metamaterial (MNM) could be achieved (under the frequency f 0 = 3.23 GHz for our experiment) when loading the sole series chip capacitors onto the CPW. In addition, in order to further confirm the single negative property of the two kinds of SNM fabricated by the new method and meanwhile explore their applications, heterostructures and photonic crystals constructed by the new ENM and MNM were fabricated and their transmission properties investigated. The results showed that the tunneling phenomenon really emerged for the heterostructure fabricated with the new ENM and MNM and the tunneling frequency was also independent of the heterostructure length, making the heterostructure applicable in the subwavelength resonator. Moreover, for the photonic crystals constructed by the new ENM and MNM, the closing and opening of the zero effective phase gap was observed, and so this article provides a simple structure to achieve photonic crystals composed of SNM based on transmission lines.
Journal of Materials Science: Materials in Electronics – Springer Journals
Published: May 31, 2018
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