Other
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..456...11f&link_type=abstract
The second international laser interferometer space antenna symposium (LISA) on the detection and observation of gravitational w
Other
7
Gravitational Wave Detectors And Experiments, Gravitational Radiation Detectors, Mass Spectrometers, And Other Instrumentation And Techniques
Scientific paper
The Laser Interferometer Space Antenna (LISA) will be capable of detecting gravitational waves with frequencies from 0.1 mHz to 1 Hz by using laser interferometers to monitor changes in the distances between test masses in spacecraft separated by five million km. LISA will detect strains as low as 10-23 with a one year observation time and a signal-to-noise ratio of five. The sensitivity will be sufficient to detect gravitational waves from sources connected with massive black holes in the centers in many galaxies, and from many binary systems within the Milky Way galaxy. Under the concept presented, LISA will be formed by three spacecraft at the vertices of an equilateral triangle. The orbits are chosen so that the triangle formation trails the Earth by 20 degrees. Each spacecraft will contain two independent payloads containing a test mass, laser and 30 cm diameter telescope for the transmission and reception of laser signals. Two independent Michelson interferometers will be formed allowing both polarizations of gravitational waves to be detected.
Folkner William M.
LISA Team
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