Search Results - "Degallaix, Jérôme"
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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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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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3
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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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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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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Mechanical loss in state-of-the-art amorphous optical coatings
Published 21-01-2016“…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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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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11
Measurements of mechanical thermal noise and energy dissipation in optical dielectric coatings
Published 10-03-2014“…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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12
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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13
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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14
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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15
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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17
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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18
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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19
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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