Search Results - "Flaminio, Raffaele"
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3D characterization of low optical absorption structures in large crystalline sapphire substrates for gravitational wave detectors
Published in Scientific reports (29-01-2021)“…Very high-quality sapphire substrates are key elements of the cryogenic Japanese gravitational interferometer KAGRA, in which they are used to build the main…”
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2
Frequency-dependent reflection of a misaligned beam by a Fabry–Pérot cavity
Published in Applied physics letters (24-07-2023)“…Gravitational-wave detectors, such as Virgo, LIGO, and KAGRA, are modified Michelson interferometers, with a system of coupled Fabry–Pérot cavities, to…”
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Calculation method for light scattering caused by multilayer coated mirrors in gravitational wave detectors
Published in Optics express (06-03-2017)“…Scattered light in inteferometric gravitational wave detectors needs to be reduced so that it will not harm the actual signals coming from a gravitational…”
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Realistic loss estimation due to the mirror surfaces in a 10 meters-long high finesse Fabry-Perot filter-cavity
Published in Optics express (10-08-2015)“…In order to benefit over the entire frequency range from the injection of squeezed vacuum light at the output of laser gravitational wave detectors, a small…”
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5
Measurements of mechanical thermal noise and energy dissipation in optical dielectric coatings
Published in Physical review. D, Particles, fields, gravitation, and cosmology (08-05-2014)“…In recent years, an increasing number of devices and experiments are shown to be limited by mechanical thermal noise. In particular, subhertz laser frequency…”
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Gravitational wave astronomy: the current status
Published in Science China. Physics, mechanics & astronomy (01-12-2015)“…In the centenary year of Einstein's General Theory of Relativity, this paper reviews the current status of gravitational wave as- tronomy across a spectrum…”
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Gravitational-wave detection: Entanglement at work
Published in Nature physics (01-08-2017)Get full text
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Entanglement at work
Published in Nature physics (15-05-2017)“…The Einstein–Podolsky–Rosen type of quantum entanglement can be used to improve the sensitivity of laser interferometer gravitational-wave detectors beyond the…”
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Fast localization of coalescing binaries with a heterogeneous network of advanced gravitational wave detectors
Published in Astroparticle physics (01-12-2019)“…We present the expected performance regarding fast sky localization of coalescing binaries with a network of three gravitational wave detectors having…”
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Longitudinal control of an interferometer for the detection of gravitational waves
Published in Physics letters. A (13-05-1996)“…In interferometric gravitational wave detectors like VIRGO and LIGO, the relative distances of the optical elements must be controlled with extreme precision…”
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Optical performance of large-area crystalline coatings
Published in Optics express (05-03-2018)“…Given their excellent optical and mechanical properties, substrate-transferred crystalline coatings are an exciting alternative to amorphous multilayers for…”
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Frequency-Dependent Squeezed Vacuum Source for Broadband Quantum Noise Reduction in Advanced Gravitational-Wave Detectors
Published in Physical review letters (01-05-2020)“…The astrophysical reach of current and future ground-based gravitational-wave detectors is mostly limited by quantum noise, induced by vacuum fluctuations…”
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Rayleigh scattering in fused silica samples for gravitational wave detectors
Published in Optics communications (01-09-2011)“…Laser interferometer gravitational wave detectors require very high optical quality test masses. We report the bulk Rayleigh scattering in high quality fused…”
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14
Control of a filter cavity with coherent control sidebands
Published 10-08-2020“…Phys. Rev. D 102, 042003 (2020) For broadband quantum noise reduction of gravitational-wave detectors, frequency-dependent squeezed vacuum states realized…”
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15
Estimation of losses in a 300 m filter cavity and quantum noise reduction in the KAGRA gravitational-wave detector
Published 01-04-2020“…Phys. Rev. D 93, 082004 (2016) The sensitivity of the gravitational-wave detector KAGRA, presently under construction, will be limited by quantum noise in a…”
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Improving the stability of frequency dependent squeezing with bichromatic control of filter cavity length, alignment and incident beam pointing
Published 21-03-2022“…Frequency dependent squeezing is the main upgrade for achieving broadband quantum noise reduction in upcoming observation runs of gravitational wave detectors…”
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Prospects for improving the sensitivity of the cryogenic gravitational wave detector KAGRA
Published 24-07-2020“…Phys. Rev. D 102, 022008 (2020) Upgrades to improve the sensitivity of gravitational wave detectors enable more frequent detections and more precise source…”
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Frequency-Dependent Squeezed Vacuum Source for Broadband Quantum Noise Reduction in Advanced Gravitational-Wave Detectors
Published 29-04-2020“…Phys. Rev. Lett. 124, 171101 (2020) The astrophysical reach of current and future ground-based gravitational-wave detectors is mostly limited by quantum noise,…”
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Prospects for improving the sensitivity of KAGRA gravitational wave detector
Published 07-06-2019“…KAGRA is a new gravitational wave detector which aims to begin joint observation with Advanced LIGO and Advanced Virgo from late 2019. Here, we present KAGRA's…”
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Measurement of optical losses in a high-finesse 300 m filter cavity for broadband quantum noise reduction in gravitational-wave detectors
Published 27-06-2018“…Earth-based gravitational-wave detectors will be limited by quantum noise in a large part of their spectrum. The most promising technique to achieve a…”
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