Search Results - "Degallaix, Jerome"
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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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Technology for the next gravitational wave detectors
Published in Science China. Physics, mechanics & astronomy (01-12-2015)“…This paper reviews some of the key enabling technologies for advanced and future laser interferometer gravitational wave detec- tors, which must combine test…”
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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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OSCAR: A MATLAB based package to simulate realistic optical cavities
Published in SoftwareX (01-07-2020)“…OSCAR is a MATLAB toolbox to simulate optical resonators such as Fabry–Perot cavities in presence of imperfect optics. It can handle any wavefront distortions…”
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Comparison of arm cavity optical losses for the two wavelengths of the Einstein Telescope gravitational wave detector
Published 20-09-2024“…A new generation of gravitational wave detectors is currently being designed with the likely use of a different laser wavelength compared to current…”
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Parametric instability in long optical cavities and suppression by dynamic transverse mode frequency modulation
Published in Physical review. D, Particles, fields, gravitation, and cosmology (05-05-2015)“…Three-mode parametric instability has been predicted in advanced gravitational wave detectors. Here we present the first observation of this phenomenon in a…”
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7
Laser cooling of a Planck mass object close to the quantum ground state
Published 23-04-2021“…Quantum mechanics has so far not been tested for mechanical objects at the scale of the Planck mass $\sqrt{\hbar c/ G} \simeq 22\,\mu\mathrm{g}$. We present an…”
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Science with the Einstein Telescope: a comparison of different designs
Published 17-06-2023“…The Einstein Telescope (ET), the European project for a third-generation gravitational-wave detector, has a reference configuration based on a triangular shape…”
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High-Reflection Coatings for Gravitational-Wave Detectors: State of The Art and Future Developments
Published 14-12-2017“…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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Comparing Finesse simulations, analytical solutions and OSCAR simulations of Fabry-Perot alignment signals
Published 22-01-2014“…This document records the results of a comparison of the interferometer simulation Finesse against an analytic (MATLAB based) calculation of the alignment…”
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Technology for the next gravitational wave detectors
Published 16-02-2016“…Sci China-Phys Mech Astron, 2015, 58(12): 120404 This paper reviews some of the key enabling technologies for advanced and future laser interferometer…”
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Journal Article -
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Parametric Instability in Long Optical Cavities and Suppression by Dynamic Transverse Mode Frequency Modulation
Published 13-01-2015“…Phys. Rev. D 91, 092001 (2015) Three mode parametric instability has been predicted in Advanced gravitational wave detectors. Here we present the first…”
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13
Thermal noise measurements on micro-cantilevers coated with dielectric materials
Published in 2013 22nd International Conference on Noise and Fluctuations (ICNF) (01-06-2013)“…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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Conference Proceeding -
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Review. Australias Role in Gravitational Wave Detection
Published in Publications of the Astronomical Society of Australia (01-01-2003)“…An enormous effort is underway worldwide to attempt to detect gravitational waves. If successful, this will open a new frontier in astronomy. An essential…”
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Australia's Role in Gravitational Wave Detection
Published in Publications of the Astronomical Society of Australia (2003)“…An enormous effort is underway worldwide to attempt to detect gravitational waves. If successful, this will open a new frontier in astronomy. An essential…”
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The upgrade of GEO600
Published 02-04-2010“…J.Phys.Conf.Ser.228:012012,2010 The German / British gravitational wave detector GEO 600 is in the process of being upgraded. The upgrading process of GEO 600,…”
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Point defects in IBS coating for very low loss mirrors
Published 05-11-2019“…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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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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Progress in the measurement and reduction of thermal noise in optical coatings for gravitational-wave detectors
Published 21-01-2020“…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
Published 09-09-2019“…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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