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Thermal noise reduction in interferometric gravitational wave antennas: using high order TEM modes

Abstract : We compute the low-frequency tail of the power spectral density of thermal noise in the case of an optical Fabry–Perot resonant cavity operating with Laguerre–Gauss modes of orders higher than (0, 0). We show a significant reduction of the thermal noise as the order of the mode increases. We discuss the diffraction losses.
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http://hal.in2p3.fr/in2p3-00113125
Contributor : Claudine Bombar <>
Submitted on : Monday, November 13, 2006 - 3:25:48 PM
Last modification on : Friday, November 6, 2020 - 3:26:15 AM
Long-term archiving on: : Tuesday, April 6, 2010 - 10:12:04 PM

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B. Mours, E. Tournefier, J.-Y. Vinet. Thermal noise reduction in interferometric gravitational wave antennas: using high order TEM modes. Classical and Quantum Gravity, IOP Publishing, 2006, 23, pp.5777-5784. ⟨10.1088/0264-9381/23/20/001⟩. ⟨in2p3-00113125⟩

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