Differences between revisions 3 and 4
Revision 3 as of 2010-11-08 01:56:24
Size: 4077
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Revision 4 as of 2010-11-08 01:57:31
Size: 4108
Comment:
Deletions are marked like this. Additions are marked like this.
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||RF freq 1 || TBD (PM) || ||Hz||
||RF freq 2 || NA || ||Hz||
||RF freq 1 || TBD (PM) || 11.25 (PM) ||MHz||
||RF freq 2 || NA || 45 (AM) ||MHz||
Line 65: Line 65:
||MC2 length || 26.648218 || ||m|| ||MC2 length || 26.648218 || 26.648218 ||m||

..Up

Interferometer Parameters

Parameter

iLCGT

mLCGT

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)

11.25 (PM)

MHz

RF freq 2

NA

45 (AM)

MHz

Primary parameters of interferometer

Arm cavity Finesse

1546

Arm cavity power gain

960

PR gain

No PR

Arm power (single arm)

--

W

PRC power on BS

10-20

W

Cavity Length

Arm cavity length

3000

m

PR cavity length

No PR

73.2826

m

Asymmetry length

3.33103

m

BS-FM length

25

m

SR cavity length

No SR

73.2826

m

SRC detuning phase

No SR

TBD

degree

Mirror optical properties

EM Reflectivity

0.999945

0.999945

FM Reflectivity

0.996000

0.996000

PRM Reflectivity

No PR

0.77

SRM Reflectivity

No SR

0.85

BS Reflectivity

0.5

HR Coating Loss of EM and FM

45e-6

45e-6

BS Loss

--

--

AR Transmittance

--

--

AR Coating Loss

--

--

MICH contrast

Other losses in PRC

Other losses in SRC

Mirror geometries

EM mass

10.8

TBD

kg

FM mass

30?

TBD

kg

PRM mass

No PR

10.8?

kg

SRM mass

No SR

10.8?

kg

BS mass

29.9

29.9

kg

EM ROC

7098.08

TBD

m

FM ROC

TBD

m

FM AR ROC

Flat

m

PRM ROC

No PR

--

m

SRM ROC

No SR

--

m

BS ROC

Infinity

m

EM radius/thickness

25 / 10

--

cm

FM radius/thickness

TBD

--

cm

PRM radius/thickness

No PR

--

cm

SRM radius/thickness

No SR

--

cm

BS radius/thickness

38 / 12

38 / 12

cm

Mode Cleaner

MC1 length

--

--

m

MC2 length

26.648218

26.648218

m

MC1 Finesse

--

--

MC2 Finesse

--

--

Output Mode Cleaner

OMC length

No OMC

TBD

m

OMC Finesse

No OMC

TBD

OMC input/output mirror reflectivity

No OMC

TBD

OMC end mirror reflectivity

No OMC

TBD

OMC MC FSR

No OMC

TBD

MHz

DC readout phase

NA

90

degree

Control Bandwidth

Quantum efficiency

0.9

 

CARM control band width

30k?

Hz

DARM control band width

200?

Hz

PRC control band width

No PR

Hz

MICH control band width

50?

Hz

SRC control band width

No SR

Hz

Feed-Forward gain

TBD


LCGT/iLCGT/IFOParameters (last edited 2010-11-28 19:31:57 by KentaroSomiya)