Search Results - "Cagnoli, Gianpietro"

Observation of a Correlation Between Internal friction and Urbach Energy in Amorphous Oxides Thin Films by Amato, Alex, Terreni, Silvana, Granata, Massimo, Michel, Christophe, Sassolas, Benoit, Pinard, Laurent, Canepa, Maurizio, Cagnoli, Gianpietro

“…We have investigated by spectroscopic ellipsometry (SE, 190–1700 nm) the optical properties of uniform, amorphous thin films of Ta 2 O 5 and Nb 2 O 5 as…”
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Realistic loss estimation due to the mirror surfaces in a 10 meters-long high finesse Fabry-Perot filter-cavity by Straniero, Nicolas, Degallaix, Jérôme, Flaminio, Raffaele, Pinard, Laurent, Cagnoli, Gianpietro

“…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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Optical properties of high-quality oxide coating materials used in gravitational-wave advanced detectors by Amato, Alex, Terreni, Silvana, Dolique, Vincent, Forest, Danièle, Gemme, Gianluca, Granata, Massimo, Mereni, Lorenzo, Michel, Christophe, Pinard, Laurent, Sassolas, Benoit, Teillon, Julien, Cagnoli, Gianpietro, Canepa, Maurizio

“…High-reflection interference mirrors for current gravitational wave detectors (aLIGO, Advanced Virgo, KAGRA) are made of high-quality oxide multi-layers…”
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Measurements of mechanical thermal noise and energy dissipation in optical dielectric coatings by Li, Tianjun, Aguilar Sandoval, Felipe A., Geitner, Mickael, Bellon, Ludovic, Cagnoli, Gianpietro, Degallaix, Jérôme, Dolique, Vincent, Flaminio, Raffaele, Forest, Danièle, Granata, Massimo, Michel, Christophe, Morgado, Nazario, Pinard, Laurent

“…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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Pendulum mode thermal noise in advanced interferometers: a comparison of fused silica fibers and ribbons in the presence of surface loss by Gretarsson, Andri M., Harry, Gregory M., Penn, Steven D., Saulson, Peter R., Startin, William J., Rowan, Sheila, Cagnoli, Gianpietro, Hough, Jim

“…The use of fused-silica ribbons as suspensions in gravitational wave interferometers can result in significant improvements in pendulum mode thermal noise…”
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Stability of samples in coating research: From edge effect to ageing by Lumaca, Diana, Amato, Alex, Bischi, Matteo, Cagnoli, Gianpietro, Cesarini, Elisabetta, Fafone, Viviana, Granata, Massimo, Guidi, Gianluca Maria, Lorenzini, Matteo, Martelli, Filippo, Mereni, Lorenzo, Minenkov, Yury, Montani, Matteo, Nardecchia, Ilaria, Piergiovanni, Francesco, Placidi, Ernesto, Rocchi, Alessio

“…Mechanical and optical thermal noises play an important role in many precise opto-mechanical experiments, in which positions of test bodies are monitored by…”
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Enhancing Titania-Tantala Amorphous Materials as High-Index Layers in Bragg Reflectors of Gravitational-Wave Detectors by Amato, Alex, Magnozzi, Michele, Shcheblanov, Nikita, Lemaître, Anaël, Cagnoli, Gianpietro, Granata, Massimo, Michel, Christophe, Gemme, Gianluca, Pinard, Laurent, Canepa, Maurizio

“…Amorphous mixed titania-tantala coatings are key components of Bragg reflectors in gravitational-wave detectors (GWDs). Attaining the lowest possible values of…”
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TiO2 doping effect on reflective coating mechanical loss for gravitational wave detection at low temperature by Mori, Yukino, Nakayama, Yota, Yamamoto, Kazuhiro, Ushiba, Takafumi, Forest, Dani`ele, Michel, Christophe, Pinard, Laurent, Teillo, Julien, Cagnoli, Gianpietro

“…We measured the mechanical loss of a dielectric multilayer reflective coating (ion-beam-sputtered SiO2 and Ta2O5) with and without TiO2 on sapphire disks…”
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Effects of mixing and annealing on the optical and mechanical properties of TiO$_{2}$:Ta$_{2}$O$_{5}$ amorphous coatings by Amato, Alex, Magnozzi, Michele, Shcheblanov, Nikita, Lemaître, Anaël, Cagnoli, Gianpietro, Granata, Massimo, Michel, Christophe, Gemme, Gianluca, Pinard, Laurent, Canepa, Maurizio

“…Amorphous mixed titania-tantala coatings are key components of Bragg reflectors in the gravitational wave detectors (GWDs). Attaining the lowest possible…”
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A Systematic Error in the Internal Friction Measurement of Coatings for Gravitational Waves Detectors by Amato, Alex, Lumaca, Diana, Cesarini, Elisabetta, Granata, Massimo, Lemaître, Anaël, Lorenzini, Matteo, Malhaire, Christophe, Michel, Christophe, Piergiovanni, Francesco, Pinard, Laurent, Shcheblanov, Nikita, Cagnoli, Gianpietro

“…Low internal friction coatings are key components of advanced technologies such as optical atomic clocks and high-finesse optical cavity and often lie at the…”
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Observation of a Correlation Between Internal friction and Urbach Energy in Amorphous Oxides Thin Films by Amato, Alex, Terreni, Silvana, Granata, Massimo, Michel, Christophe, Sassolas, Benoit, Pinard, Laurent, Canepa, Maurizio, Cagnoli, Gianpietro

“…Sci Rep 10, 1670 (2020) We have investigated by spectroscopic ellipsometry (SE, 190-1700 nm) the optical properties of uniform, amorphous thin films of Ta2O5…”
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Point defects in IBS coating for very low loss mirrors by Sayah, Sihem, Sassolas, Benoît, Degallaix, Jérôme, Pinard, Laurent, Michel, Christophe, Sordini, Viola, Cagnoli, Gianpietro

“…High reflective coatings are used in many physics experiments. Despite the high quality of the opticalcoating, the performances of the mirrors is altered by…”
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Progress in the measurement and reduction of thermal noise in optical coatings for gravitational-wave detectors by Granata, Massimo, Amato, Alex, Cagnoli, Gianpietro, Coulon, Matthieu, Degallaix, Jérôme, Forest, Danièle, Mereni, Lorenzo, Michel, Christophe, Pinard, Laurent, Sassolas, Benoît, Teillon, Julien

“…Appl. Opt. 59 (2020) A229 Coating thermal noise is a fundamental limit for precision experiments based on optical and quantum transducers. In this review,…”
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Amorphous optical coatings of present gravitational-wave interferometers by Granata, Massimo, Amato, Alex, Balzarini, Laurent, Canepa, Maurizio, Degallaix, Jérôme, Forest, Danièle, Dolique, Vincent, Mereni, Lorenzo, Michel, Christophe, Pinard, Laurent, Sassolas, Benoît, Teillon, Julien, Cagnoli, Gianpietro

“…Class. Quantum Grav. 37 (2020) 095004 We report on the results of an extensive campaign of optical and mechanical characterization of the ion-beam sputtered…”
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A gentle nodal suspension for measurements of the acoustic attenuation in materials by Cesarini, Elisabetta, Lorenzini, Matteo, Cagnoli, Gianpietro, Piergiovanni, Francesco

“…Loss angle measurements in ultralow mechanical loss materials are normally affected by a large systematic error due to the excess losses introduced by the…”
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High-Reflection Coatings for Gravitational-Wave Detectors: State of The Art and Future Developments by Amato, Alex, Cagnoli, Gianpietro, Canepa, Maurizio, Coillet, Elodie, Degallaix, Jerome, Dolique, Vincent, Forest, Daniele, Granata, Massimo, Martinez, Valérie, Michel, Christophe, Pinard, Laurent, Sassolas, Benoit, Teillon, Julien

“…J. Phys. Conf. Ser. 957, 012006 (2018) We report on the optical, mechanical and structural characterization of the sputtered coating materials of Advanced…”
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Correlated evolution of structure and mechanical loss of a sputtered silica film by Granata, Massimo, Coillet, Elodie, Martinez, Valérie, Dolique, Vincent, Amato, Alex, Canepa, Maurizio, Margueritat, Jérémie, Martinet, Christine, Mermet, Alain, Michel, Christophe, Pinard, Laurent, Sassolas, Benoît, Cagnoli, Gianpietro

“…Phys. Rev. Materials 2, 053607 (2018) Energy dissipation in amorphous coatings severely affects high-precision optical and quantum transducers. In order to…”
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Mechanical loss in state-of-the-art amorphous optical coatings by Granata, Massimo, Saracco, Emeline, Morgado, Nazario, Cajgfinger, Alix, Cagnoli, Gianpietro, Degallaix, Jérôme, Dolique, Vincent, Forest, Danièle, Franc, Janyce, Michel, Christophe, Pinard, Laurent, Flaminio, Raffaele

“…Phys. Rev. D 93, 012007 (2016) We present the results of mechanical characterizations of many different high-quality optical coatings made of…”
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A new method of probing mechanical losses of coatings at cryogenic temperatures by Galliou, Serge, Deléglise, Samuel, Goryachev, Maxim, Neuhaus, Leonhard, Cagnoli, Gianpietro, Zerkani, Salim, Dolique, Vincent, Vacheret, Xavier, Abbé, Philippe, Pinard, Laurent, Michel, Christophe, Karassouloff, Thibaut, Briant, Tristan, Cohadon, Pierre-François, Heidmann, Antoine, Tobar, Michael E, Bourquin, Roger

“…A new method of probing mechanical losses and comparing the corresponding deposition processes of metallic and dielectric coatings in 1-100 MHz frequency range…”
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Thermal noise measurements on micro-cantilevers coated with dielectric materials by Cagnoli, Gianpietro, Dolique, Vincent, Degallaix, Jerome, Flaminio, Raffaele, Forest, Daniele, Granata, Massimo, Michel, Christophe, Morgado, Nazario, Pinard, Laurent, Aguilar, Felipe, Tianjun Li, Geitner, Mickael, Bellon, Ludovic

“…In recent years an increasing number of devices and experiments are shown to be limited by mechanical thermal noise. In particular sub-Hertz laser frequency…”
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