Parameter

iLCGT

--

units

Laser source

Wave length

1064

nm

Initial Laser Power

10-20

W

Injecting Laser Power into IFO

10-20

W

Modulation depth

--

RF freq 1

TBD (PM)

Hz

Primary parameters of interferometer

Arm cavity Finesse

1546

Arm cavity power gain

960

Arm power (single arm)

--

W

Cavity Length

Arm cavity length

3000

m

Asymmetry length

3.33103

m

BS-FM length

25

m

Mirror optical properties

EM Reflectivity

0.999945

FM Reflectivity

0.996000

BS Reflectivity

0.5

HR Coating Loss of EM, FM

45e-6

BS Loss

--

AR Transmittance

--

AR Coating Loss

--

Arm cavity cut-off frequency

Hz

MICH contrast

Mirror geometries

EM mass

10.8

kg

FM mass

30?

kg

BS mass

--

kg

EM ROC

--

m

FM ROC

--

m

FM AR ROC

Flat

m

BS ROC

Infinity

m

EM radius/thickness

25 / 15

cm

FM radius/thickness

--

cm

BS radius/thickness

38 / 12

cm

Mode Cleaner

MC1 length

--

m

MC2 length

13.324109

m

MC1 Finesse

--

MC2 Finesse

--

Control Bandwidth

Quantum efficiency

0.9

CARM control band width

30k?

Hz

DARM control band width

200?

Hz

MICH control band width

50?

Hz