Differences between revisions 1 and 7 (spanning 6 versions)
Revision 1 as of 2010-11-08 02:11:47
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Revision 7 as of 2010-11-08 02:18:04
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Deletions are marked like this. Additions are marked like this.
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||Beam radius || 3.5 cm || ||
||Suspension length || 40 cm || ||
||Diameter of suspension fiber (silica) || -- || ||
||Number of suspension fiber || 4 || ||
||Mechanical loss of fiber || -- || ||
||Mechanical loss of a mirror ||
1e-8 || ||
||Number of coating layers (ITM) || 9  || ||
||Number of coating layers (ETM) || 18 || ||
||Mechanical loss of Silica coatings || 5e-5? || ||
||Mechanical loss of Tantala coatings || 2e-4? || ||
||Optical loss of each arm || 100 ppm/roundtrip || ||
||Optical loss in the SRC || 2% || ||
||Optical loss at the PD || 10% || ||
||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 ||

Parameters

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

Material properties

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

LCGT/iLCGT/ClassicalNoise (last edited 2010-11-08 02:18:04 by KentaroSomiya)