|
Size: 4172
Comment:
|
← Revision 9 as of 2010-11-28 19:31:57 ⇥
Size: 4215
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 1: | Line 1: |
| '''[[../|..Up]]''' |
|
| Line 10: | Line 6: |
| ||Initial Laser Power || 10-20 || TBD ||W|| ||Injecting Laser Power into IFO || 10-20 || TBD ||W|| |
||Initial Laser Power || 10-20 || 20 ||W|| ||Injecting Laser Power into IFO || 10-20 || 20 ||W|| |
| Line 18: | Line 14: |
| ||PR gain || No PR || -- || || ||Arm power (single arm) || -- || -- ||W|| ||PRC power on BS || 10-20 || 100-200 ||W|| |
||PR gain || No PR || ~10 || || ||PRC power on BS || 10-20 || 200 ||W|| |
| Line 27: | Line 22: |
| ||SRC detuning phase|| No SR || TBD ||degree|| | ||SRC detuning phase|| No SR || 90 (BRSE) / 86.0 (DRSE) ||degree|| |
| Line 29: | Line 24: |
| ||EM Reflectivity || 0.999945 || 0.999945 || || | ||EM Reflectivity || 0.999945? || 0.999945? || || |
| Line 34: | Line 29: |
| ||HR Coating Loss of EM and FM || 45e-6 || 45e-6 || || | ||HR Coating Loss of EM and FM || 45e-6? || 45e-6? || || |
| Line 44: | Line 39: |
| ||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|| |
||EM mass || 10.8 || 10.8 ||kg|| ||FM mass || 10.8 || 10.8 ||kg|| ||PRM mass || No PR || 10.8 ||kg|| ||SRM mass || No SR || 10.8 ||kg|| |
| Line 50: | Line 45: |
| ||EM ROC || 7098.08 || TBD ||m|| ||FM ROC || TBD || TBD ||m|| |
||EM ROC || 7260 or 7320 || 7260 or 7320 ||m|| ||FM ROC || 7260 or 7320 || 7260 or 7320 ||m|| |
| Line 53: | Line 48: |
| ||PRM ROC || No PR || -- ||m|| ||SRM ROC || No SR || -- ||m|| |
||PRM ROC || No PR || TBD ||m|| ||SRM ROC || No SR || TBD ||m|| |
| Line 57: | Line 52: |
| ||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|| |
||EM diameter/thickness || 25 / 10 || 25 / 10 ||cm|| ||FM diameter/thickness || 25 / 10 || 25 / 10 ||cm|| ||PRM diameter/thickness || No PR || 25 / 10 ||cm|| ||SRM diameter/thickness || No SR || 25 / 10 ||cm|| ||BS diameter/thickness || 38 / 12 || 38 / 12 ||cm|| |
| Line 75: | Line 70: |
| ||DC readout phase || NA || 90 || degree || | ||DC readout phase || NA || 113.4 (BRSE) / 125.8 (DRSE) || degree || |
Optical Parameters
Parameter |
iLCGT |
mLCGT |
units |
Laser source |
|||
Wave length |
1064 |
1064 |
nm |
Initial Laser Power |
10-20 |
20 |
W |
Injecting Laser Power into IFO |
10-20 |
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 |
1546 |
|
Arm cavity power gain |
960 |
960 |
|
PR gain |
No PR |
~10 |
|
PRC power on BS |
10-20 |
200 |
W |
Cavity Length |
|||
Arm cavity length |
3000 |
3000 |
m |
PR cavity length |
No PR |
73.2826 |
m |
Asymmetry length |
3.33103 |
3.33103 |
m |
BS-FM length |
25 |
25 |
m |
SR cavity length |
No SR |
73.2826 |
m |
SRC detuning phase |
No SR |
90 (BRSE) / 86.0 (DRSE) |
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 |
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 |
10.8 |
kg |
FM mass |
10.8 |
10.8 |
kg |
PRM mass |
No PR |
10.8 |
kg |
SRM mass |
No SR |
10.8 |
kg |
BS mass |
29.9 |
29.9 |
kg |
|
|
|
|
EM ROC |
7260 or 7320 |
7260 or 7320 |
m |
FM ROC |
7260 or 7320 |
7260 or 7320 |
m |
FM AR ROC |
Inf |
Inf |
m |
PRM ROC |
No PR |
TBD |
m |
SRM ROC |
No SR |
TBD |
m |
BS ROC |
Inf |
Inf |
m |
|
|
|
|
EM diameter/thickness |
25 / 10 |
25 / 10 |
cm |
FM diameter/thickness |
25 / 10 |
25 / 10 |
cm |
PRM diameter/thickness |
No PR |
25 / 10 |
cm |
SRM diameter/thickness |
No SR |
25 / 10 |
cm |
BS diameter/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 |
113.4 (BRSE) / 125.8 (DRSE) |
degree |
Control Bandwidth |
|||
Quantum efficiency |
0.9 |
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 |
-- |
|
|
|
|
|