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Working Package 1

Working Package 1. The working package 1, through 6 different tasks investigate the role played by the material properties in the limitation of the GW detectors sensitivity Advances Materials for mirror substrates Advanced materials and techniques for resonant detectors

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Working Package 1

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  1. Working Package 1 • The working package 1, through 6 different tasks investigate the role played by the material properties in the limitation of the GW detectors sensitivity • Advances Materials for mirror substrates • Advanced materials and techniques for resonant detectors • Investigation on superconducting materials • Development of low loss dielectric coatings for advanced detectors • Innovative materials for advanced detectors suspension • Study of thermo elastic effects caused by absorption of cosmic rays

  2. Collaborating groups • M1 (Mirror Substrates, V.Loriette, M.Punturo) • CNRS (ESPCI1) • INFN (Auriga, Virgo-Mat2) • LION (MiniGrail) • IGR • M2 (Resonant detectors, J.P.Zendri, G.Frossati) • INFN (Auriga1, ROG, Virgo-Mat) • IFN • LION (Minigrail2) • IGR

  3. … Collaborating groups • M3 (Superconducting materials, R.Parodi) • INFN (Genova1) • M4 (Coatings, S.Rowan, M.Punturo) • CNRS (LMA-Lyon, ESPCI) • INFN (Auriga, Virgo-Mat2) • LION (Minigrail) • IGR1 • M5 (Suspension Materials, M.Punturo, G.Cagnoli) • INFN (Auriga, Virgo-Mat1) • IGR2 • M6 (Cosmic Rays Absorption, F.Ronga) • INFN (ROG1)

  4. Interaction and interdependencies M1 Mirror substrates M4 Coatings M2 Res. Detect mat M6 Cosmic Rays abs. New ITF Suspended optics New ITF optics Advanced Resonant system M5 Suspensions Mat. 10 FOLD REDUCTION OF THERMAL NOISE M3 Superconducting mat.

  5. Milestones achievement • Each Task will be reported in detail in the following talks • Almost all the task are fully respecting the first year milestones • Some warnings: • M1: Need for a new laser that should be procured through different founding (ESPCI) • M2: Short delay expected on building a SiC resonator • M4: • “splinter” meeting just today!

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