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Communication Dans Un Congrès Année : 2021

Laser power stabilization for Advanced VIRGO

Résumé

Second generation of laser interferometer gravitational wave detectors can now detect the fusion of compact stellar object pair weekly. To increase the sensitivity, an important change of design between first and second generation gravitational wave detectors is the use of homodyne detection instead of heterodyne. This modification has strongly increased the requirement on laser power stabilization for Advanced VIRGO [1] . The relative intensity noise (RIN) requirement depends on the effective defects of the interferometer mirrors and its operational state. It spans between 10 -8 Hz -1/2 and 1.2×10 -9 Hz -1/2 at 30 Hz for the most sensitive future configuration (2024).
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Dates et versions

hal-03544164 , version 1 (26-01-2022)

Identifiants

Citer

Frédéric Cleva, Jean-Pierre Coulon, Li Wei Wei, Margherita Turconi, Mourad Merzougui, et al.. Laser power stabilization for Advanced VIRGO. 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference, Jun 2021, Online, Germany. ⟨10.1109/CLEO/Europe-EQEC52157.2021.9542330⟩. ⟨hal-03544164⟩
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