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Article

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Published version

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2001

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/13191

Wideband dual sphere detector of gravitational waves

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http://dx.doi.org/10.1103/PhysRevLett.87.031101

Abstract

We present the concept of a sensitive and broadband resonant mass gravitational wave detector. A massive sphere is suspended inside a second hollow one. Short, high-finesse Fabry-Perot optical cavities read out the differential displacements of the two spheres as their quadrupole modes are excited. At cryogenic temperatures, one approaches the standard quantum limit for broadband operation with reasonable choices for the cavity finesses and the intracavity light power. A molybdenum detector, of overall size of 2 m, would reach spectral strain sensitivities of 2x10-23Hz-1/2 between 1000 and 3000 Hz.

Subject

Ones de gravetat, Detectors

Subject (English)

Gravity waves, Detectors

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Articles publicats en revistes (Física de la Matèria Condensada)

Citation

CERDONIO, M. (Massimo), et al. Wideband dual sphere detector of gravitational waves. Physical Review Letters. 2001. Vol. 87, num. 3, pags. 031101-1-031101-4. ISSN 0031-9007. [consulted: 13 of August of 2026]. Available at: https://hdl.handle.net/2445/13191

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