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Terahertz-Radiation Enhanced Emission of Fluorescence (THz-REEF) was studied in the counter-propagating configuration as a more accurate representation of stand-off THz sensing scenarios. Determination of the THz amplitude and phase using this technique was successfully demonstrated.
Ultrabroadband, intense terahertz (THz) waves can be generated and detected using gaseous media as both the THz wave emitter and sensor, with a bandwidth covering the entire “THz gap” and well beyond. We review our most recent experimental and theoretical progress in THz generation, detection, and manipulation in laser-induced gas plasma. In the generation part, emphasis will be on the case with two-color...
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