Experimental determination of the quadratic nonlinear magnetic susceptibility of a varactor-loaded split ring resonator metamaterial

Larouche, Stéphane; Rose, Alec; Poutrina, Ekaterina; Huang, Da; Smith, David R.
July 2010
Applied Physics Letters;7/5/2010, Vol. 97 Issue 1, p011109
Academic Journal
This letter presents a quantitative measurement of the second harmonic generated by a slab of varactor loaded split ring resonator metamaterial and the retrieval of the effective quadratic nonlinear magnetic susceptibility χm(2) using an approach based on transfer matrices. The retrieved value of χm(2) is in excellent agreement with that predicted by an analytical effective medium theory model.


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