Full text loading...
Lumped element circuit (a), dispersion diagram calculated with , , , and (b). Optical view of a two-cell device (c). The inset is an optical view of an interdigitated ferroelectric capacitance.
Scattering parameter measurements vs frequency at zero bias with a two-cell and a four-cell prototype, respectively. The widths of the slot and central strip of the CPW are 80 and , respectively. The unit cell length is .
Bias dependence of the dispersion characteristics measured between 5 and 40 GHz. The inset is a zoomed view in the long wavelength regime defined in the vicinity of .
Dispersion of the effective complex permittivity and permeability at various bias voltages. Frequency dependence of the real (a) and imaginary part (b) of the effective permittivity. Frequency dependence of the real (c) and imaginary part (d) of the effective permeability.
Article metrics loading...