Beam radius

3.5 cm

issue 1

Suspension length

40 cm

Diameter of suspension fiber

1.8 mm

issue 2

Number of suspension fiber

4

Temperature of suspension

16 K

Mechanical loss of fiber

2e-7

issue 8

Mirror radius

12.5 cm

issue 3

Mirror thickness

15 cm

Bulk absorption

20 ppm/cm

issue 4

Coating absorption

0.1 ppm

issue 4

Temperature of mirrors

20 K

Mechanical loss of a mirror

1e-8

issue 7

Number of coating layers (ITM)

9

Number of coating layers (ETM)

18

Mechanical loss of Silica coatings

1e-4

issue 5

Mechanical loss of Tantala coatings

4e-4

issue 5

Optical loss of each arm

70 ppm/roundtrip

issue 6

Optical loss in the SRC

2%

Optical loss at the PD

10%

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