Proposed room-temperature detector for gravitational radiation from galactic sources

Details Proposed room-temperature detector for gravitational radiation from galactic sources Proposed room-temperature detector for gravitational radiation from galactic sources

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvd..42.2952b&link_type=abstract

Physical Review D (Particles and Fields), Volume 42, Issue 8, 15 October 1990, pp.2952-2955

Physics

6

Scientific paper

A room-temperature resonant-bar gravitational-radiation detector instrumented with a tunneling transducer may be sensitive enough to register supernovae events from the Galaxy. The key element in the new approach is the tunneling transducer, which is a quantum-limited electrochemical amplifier even at room temperature. We propose a design for a 2000-kg, room-temperature, three-mode detector with a bandwidth of 200 Hz and a noise temperature of 100 mK, which corresponds to a rms strain sensitivity of h~4×10-18.

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