Research on tunable antenna to detect continuous gravitational wave at low frequency

Details Research on tunable antenna to detect continuous gravitational wave at low frequency Research on tunable antenna to detect continuous gravitational wave at low frequency

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982acpsn..31.1300t&link_type=abstract

Acta Physica Sinica, vol. 31, Oct. 1982, p. 1300-1307. In Chinese, with abstract in English.

Physics

1

Antenna Design, Gravitational Wave Antennas, Quadrupoles, Resonant Frequencies, Tuning, Frequency Control, Low Frequencies, Q Values, Room Temperature

Scientific paper

The physical characteristics and theory of operation of a quadrupole antenna considered as a possible gravitational wave detector are presented. The antenna is modeled structurally by treating each quarter as a cantilever beam with a rigid body at the free end. The resonant frequency of the antenna is calculated using material mechanics principles. Weighing 498 kg, the antenna features a Q value of 4400 at room temperature in air. The resonant frequency can be continuously tuned from 47.3-60.5 Hz. Use of the antenna to observe low frequency gravity waves is discussed.

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