'''[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus|..Up]]'''

== Parameters ==
There are some issues to be discussed.
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||Beam radius ||3cm ||[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise/issue1|issue 1]] ||
||Suspension length ||40cm || ||
||Diameter of suspension fiber ||1.8mm ||[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise/issue2|issue 2]] ||
||Number of suspension fiber ||4 || ||
||Temperature of suspension ||16K || ||
||Mechanical loss of fiber ||2e-7 ||[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise/issue8|issue 8]] ||
||Mirror radius ||12.5cm ||[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise/issue3|issue 3]] ||
||Mirror thickness ||15cm || ||
||Bulk absorption ||20ppm/cm ||[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise/issue4|issue 4]] ||
||Coating absorption ||0.1ppm ||[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise/issue4|issue 4]] ||
||Temperature of mirrors ||20K || ||
||Mechanical loss of a mirror ||1e-8 ||[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise/issue7|issue 7]] ||
||Number of coating layers (ITM) ||9 (?) || ||
||Number of coating layers (ETM) ||18 (?) || ||
||Mechanical loss of Silica coatings ||1e-4 ||[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise/issue5|issue 5]] ||
||Mechanical loss of Tantala coatings ||4e-4 ||[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise/issue5|issue 5]] ||
||Optical loss of each arm ||70ppm/roundtrip ||[[LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ClassicalNoise/issue6|issue 6]] ||
||Optical loss in the SRC ||2% || ||
||Optical loss at the PD ||10% || ||
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== Material properties ==
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||Young's modulus of Sapphire ||4e11 ||Pa ||
||Density of Sapphire ||4e3 ||kg/m^3 ||
||Poisson ratio of Sapphire ||0.29 || ||
||Thermal expansion of Sapphire (20K) ||5.6e-9 ||1/K ||
||Specific heat of Sapphire (20K) ||0.69 ||J/K/kg ||
||Thermal conductivity of Sapphire (20K) ||1.57e4 ||W/m/K ||
||Thermal expansion of Sapphire (300K) ||5.0e-6 ||1/K ||
||Specific heat of Sapphire (300K) ||790 ||J/K/kg ||
||Thermal conductivity of Sapphire (300K) ||40 ||W/m/K ||
||Young's modulus of Silica ||7.2e10 ||Pa ||
||Poisson ratio of Silica ||0.17 || ||
||Refraction index of Silica ||1.45 || ||
||Thermal expansion of Silica (300K) ||5.1e-7 ||1/K ||
||Specific heat per volume of Silica (300K) ||1.64e6 ||J/K/m^3 ||
||Thermal conductivity of Silica (300K) ||1.38 ||W/m/K ||
||dn/dT of Silica (300K) ||8e-6 ||1/K ||
||Young's modulus of Tantala ||1.4e11 ||Pa ||
||Poisson ratio of Tantala ||0.23 || ||
||Refraction index of Tantala ||2.06 || ||
||Thermal expansion of Tantala (300K) ||3.6e-7 ||1/K ||
||Specific heat per volume of Tantala (300K) ||2.1e6 ||J/K/m^3 ||
||Thermal conductivity of Tantala (300K) ||33 ||W/m/K ||
||dn/dT of Tantala (300K) ||14e-6 ||1/K ||
-~