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

== Parameters ==
There are some issues to be discussed.
~-
||Beam radius || 3.5 cm ||[[LCGT/subgroup/ifo/ISC/ClassicalNoise/issue1|issue 1]] ||
||Suspension length || 40 cm || ||
||Diameter of suspension fiber || 1.8 mm ||[[LCGT/subgroup/ifo/ISC/ClassicalNoise/issue2|issue 2]] ||
||Number of suspension fiber || 4 || ||
||Temperature of suspension || 16 K || ||
||Mechanical loss of fiber || 2e-7 ||[[LCGT/subgroup/ifo/ISC/ClassicalNoise/issue8|issue 8]] ||
||Mirror radius || 12.5 cm ||[[LCGT/subgroup/ifo/ISC/ClassicalNoise/issue3|issue 3]] ||
||Mirror thickness || 15 cm || ||
||Bulk absorption || 20 ppm/cm ||[[LCGT/subgroup/ifo/ISC/ClassicalNoise/issue4|issue 4]] ||
||Coating absorption || 0.1 ppm ||[[LCGT/subgroup/ifo/ISC/ClassicalNoise/issue4|issue 4]] ||
||Temperature of mirrors || 20 K || ||
||Mechanical loss of a mirror || 1e-8 ||[[LCGT/subgroup/ifo/ISC/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/ClassicalNoise/issue5|issue 5]] ||
||Mechanical loss of Tantala coatings || 4e-4 ||[[LCGT/subgroup/ifo/ISC/ClassicalNoise/issue5|issue 5]] ||
||Optical loss of each arm || 70 ppm/roundtrip ||[[LCGT/subgroup/ifo/ISC/ClassicalNoise/issue6|issue 6]] ||
||Optical loss in the SRC || 2% || ||
||Optical loss at the PD || 10% || ||
-~


== 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 ||
-~