Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975rech....6..908r&link_type=abstract
La Recherche, vol. 6, Nov. 1975, p. 908-917. In French.
Astronomy and Astrophysics
Astronomy
Gravitational Waves, Radiation Detectors, Stellar Radiation, Technology Assessment, Binary Stars, Black Holes (Astronomy), Electromagnetic Radiation, Gravitational Collapse, Indicating Instruments, Neutron Stars, Radiation Sources, Radiation Spectra, Signal Detection, X Ray Sources
Scientific paper
The paper gives a general, nonmathematical account of the nature of gravitational waves, and sets forth the history of attempts to date to detect such radiation. Weber's first experiments with his two cylindrical detectors gave an idea to experimenters concerning the size and nature of an event, either in the Galaxy or beyond it, which would at least be detectable on earth. As astrophysical theory revealed the characteristics of condensed objects, such as neutron stars and black holes, attention was turned to the possibility of detecting the gravitational radiation emitted by gravitational collapse. Some recent designs for gravitational wave detectors are described, including a gravitational antenna, a detector based on magnetic suspension, and a detector using sapphire crystals.
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