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Helicon (hĕl`ĭkŏn), Gr. Elikón, mountain group, c.20 mi (30 km) long, central Greece, in Boeotia; it rises to 5,736 ft (1,748 m). Helicon formed part of the border between ancient Boeotia and Phocis. In Greek legend it was the abode of the Muses and sacred to Apollo. The fountains of Hippocrene and Aganippe are on the slopes of Mt. Helicon. The temple of the Muses was situated in the eastern part of the mountain, at the foot of which were Thespiae and Ascra, home of Hesiod.
a wind instrument of the bugle family. It is a modification of the bass and contrabass tuba. It was constructed in the 1840’s in Russia. The helicon is used primarily in brass bands. The pipe is curved in the shape of a ring so that the instrument can be carried comfortably over the shoulder.
A low-frequency, circularly polarized electromagnetic wave that is propagated in a metal in the presence of an external magnetic field.
a mountain in Greece, in Boeotia: location of the springs of Hippocrene and Aganippe, believed by the Ancient Greeks to be the source of poetic inspiration and the home of the Muses. Height: 1749 m (5738 ft.)
References in periodicals archive
The helicon frequency [omega] is of RF range and [[omega].
the frequency modulation of helicon wave and modulation of magnetic field are equivalent.
The real part of the ratio I/E is equal to the conductivity of semiconductor plasma and the imaginary part is responsible for helicon wave propagation (effective dielectrical constant).