Abstract
A dielectric cube, with dimensions of wavelength, was placed at the length of terajet in front of a terahertz detector. Enhancement of the detector responsivity by 4.3 dB with a decrease of noise equivalent power was experimentally demonstrated under excitation of 0.3 THz (see article number 1900700 by Yahya Moubarak Meziani and co-workers). This opens the way for the development of new THz detectors that could overcome the diffraction limit obstacle.
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