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Optical image of the transmission lines.
Dispersion characteristics calculated by full wave analysis of the unit cell. Real (●) and imaginary (▴) parts of the vector of the periodically loaded line. Real part of (∎) of the bare coplanar strip.
Scanning electron micrograph of a set of lines with grafted LTG semiconductor patches.
Time variation of the transmitted wave. The inset shows the Fourier transform in the 0–20 ps time window.
Time dependence of the transmitted signal through devices. Experimental evidence of the phase advance (21 cell triangle line-17 cell circle line).
Phase offset measured for a 17 cell and a 21 cell transmission line. In inset (solid line) and (dashed line).
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