Design of a resonant gravitational-wave detector with quantum-limited sensitivity

Details Design of a resonant gravitational-wave detector with quantum-limited sensitivity Design of a resonant gravitational-wave detector with quantum-limited sensitivity

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ncimb..55...15p&link_type=abstract

Nuovo Cimento B, Serie 11, vol. 55 B, Jan. 11, 1980, p. 15-36. NSF-supported research.

Computer Science

7

Cryogenic Equipment, Gravitational Wave Antennas, Squid (Detectors), Transducers, Design Analysis, Direct Current, Low Noise, Optimization, Sensitivity

Scientific paper

It is shown that a resonant transducer is indispensable in a wide range of experimental conditions in order to accomplish optimum matching between a cryogenic antenna and a low-noise amplifier. Noise characteristics of a dc SQUID are analyzed and an improved design of a point contact dc SQUID is described. Conditions for transducer matching and detectability of a gravitational-wave signal are derived for a system employing a dc SQUID.

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