Effect of intermode coupling on the Q-factor of a gravitational-wave antenna

Details Effect of intermode coupling on the Q-factor of a gravitational-wave antenna Effect of intermode coupling on the Q-factor of a gravitational-wave antenna

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mvsfa..26...30m&link_type=abstract

Moskovskii Universitet, Vestnik, Seriia 3 - Fizika, Astronomiia (ISSN 0579-9392), vol. 26, May-June 1985, p. 30-34. In Russian.

Astronomy and Astrophysics

Astronomy

Coupled Modes, Gravitational Wave Antennas, Q Factors, Damping

Scientific paper

The mechanical Q-factor of the antenna is one of the main factors determining the sensitivity of a Weber detector of gravitational waves. This paper presents a calculation of the effect of the coupling between longitudinal and bending modes on the Q-factor of the principal longitudinal mode for an antenna of complex shape, differing from a circular cylinder. Calculations are confirmed by an experimental study of damping for silicon single-crystal antenna models.

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