FIELD: radio engineering, communication.
SUBSTANCE: invention relates to a terahertz antenna, particularly a tunable terahertz antenna based on a semiconductor material. The antenna has a semiconductor film (3) on a piezoelectric material (10), having a surface capable of exhibiting surface plasmons in the terahertz frequency range. The surface of the semiconductor film (3) is structured by an antenna structure (4), capable of supporting local surface plasmon resonances in the terahertz frequency range.
EFFECT: invention increases sensitivity and selectivity.
15 cl, 6 dwg
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