Beam radius

3.5 cm

Suspension length

40 cm

Diameter of suspension fiber (silica)

550um (30kg) / 300um (10.8kg)

Number of suspension fiber

4

Mechanical loss of fiber

6e-7 at 100Hz, 7e-8 at 1kHz

Mechanical loss of a mirror

1e-8

Number of coating layers (ITM)

9 + cap

Number of coating layers (ETM)

18 + cap

Mechanical loss of Silica coatings

5e-5

Mechanical loss of Tantala coatings

2e-4

Density of Silica

2200

kg/m^3

Young's modulus of Silica

7.2e10

Pa

Poisson ratio of Silica

0.17

Refraction index of Silica

1.45

Thermal expansion of Silica

5.1e-7

1/K

Specific heat per volume of Silica

1.64e6

J/K/m^3

Thermal conductivity of Silica

1.38

W/m/K

dn/dT of Silica

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

3.6e-7

1/K

Specific heat per volume of Tantala

2.1e6

J/K/m^3

Thermal conductivity of Tantala

33

W/m/K

dn/dT of Tantala

14e-6

1/K