Advances in OptoElectronics / 2015 / Article / Fig 8

Research Article

Gain Incorporated Split-Ring Resonator Structures for Active Metamaterials

Figure 8

Testing of the double-ring aSRR with incorporated gain elements. (a) the near-field measurement setup; ((b) and (c)) passive ring-to-ring; ((d) and (e)) with amplifier powered on.
(a)
(b)
(c)
(d)
(e)