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In this paper, a microstrip split-ring resonator microwave-induced plasma source was developed and the effect of the resonator strip width on the microplasma properties was studied. The end-goal of this paper is to implement the resonator into an in-space micropropulsion system. We thus need to understand the behavior of the microplasma to optimize the thruster performance. A range of resonators with...
Optical sidebands are generated by difference frequency mixing between a resonant bandgap near-infrared beam and a terahertz (THz) wave. This is realized within the cavity of a THz quantum cascade laser using resonantly enhanced non-linearities. Multiple order optical sidebands and conversion efficiencies up to 0.1% are shown.
We demonstrate semiconductor resonators operating on the fundamental monopolar resonance which corresponds to the fundamental oscillation mode of split-ring resonators. Their size is considerably below the optical diffraction limit in all three dimensions of space. The maximum confinement is obtained for resonators operating at a wavelength of λ ∼ 272 μm (v ∼ 1.1 THz): they have a diameter of 13 μm...
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