|
Size: 2642
Comment:
|
Size: 4148
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 1: | Line 1: |
| '''[[../|..Up]]''' | |
| Line 3: | Line 2: |
== iLCGT Optical Parameters == |
== Optical Parameters == |
| Line 6: | Line 4: |
| ||<align="center":width="20%">'''Parameter'''||<align="center":width="15%">'''iLCGT'''||<align="center":width="15%">'''--''' ||<align="center":width="5%"> units|| | ||<align="center":width="20%">'''Parameter'''||<align="center":width="15%">'''iLCGT'''||<align="center":width="15%">'''mLCGT''' ||<align="center":width="5%"> units|| |
| Line 8: | Line 6: |
| ||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|| |
||Wave length || 1064 || 1064 ||nm|| ||Initial Laser Power || 10-20 || TBD ||W|| ||Injecting Laser Power into IFO || 10-20 || TBD ||W|| ||Modulation depth || -- || -- || || ||RF freq 1 || TBD (PM) || 11.25 (PM) ||MHz|| ||RF freq 2 || NA || 45 (AM) ||MHz|| |
| Line 14: | Line 13: |
| ||Arm cavity Finesse || 1546 || || || ||Arm cavity power gain || 960 || || || ||Arm power (single arm)|| -- || ||W|| |
||Arm cavity Finesse || 1546 || 1546 || || ||Arm cavity power gain || 960 || 960 || || ||PR gain || No PR || -- || || ||Arm power (single arm) || -- || -- ||W|| ||PRC power on BS || 10-20 || 100-200 ||W|| |
| Line 18: | Line 19: |
| ||Arm cavity length || 3000 || ||m|| ||Asymmetry length || 3.33103 || ||m|| ||BS-FM length || 25 || ||m|| |
||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 || TBD ||degree|| |
| Line 22: | Line 26: |
| ||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 || -- || || || |
||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 || -- || -- || || |
| Line 30: | Line 36: |
| ||Arm cavity cut-off frequency || || ||Hz|| | |
| Line 32: | Line 37: |
| ||Other losses in PRC || || || || ||Other losses in SRC || || || || |
|
| Line 34: | Line 41: |
| ||EM mass || 10.8 || ||kg|| ||FM mass || 30? || ||kg|| ||BS mass || -- || ||kg|| |
||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|| |
| Line 38: | Line 47: |
| ||EM ROC || -- || ||m|| ||FM ROC || -- || ||m|| ||FM AR ROC || Flat || ||m|| ||BS ROC || Infinity || ||m|| |
||EM ROC || 7098.08 || TBD ||m|| ||FM ROC || TBD || TBD ||m|| ||FM AR ROC || Inf || Inf ||m|| ||PRM ROC || No PR || -- ||m|| ||SRM ROC || No SR || -- ||m|| ||BS ROC || Inf || Inf ||m|| |
| Line 43: | Line 54: |
| ||EM radius/thickness || 25 / 15 || ||cm|| ||FM radius/thickness || -- || ||cm|| ||BS radius/thickness || 38 / 12 || ||cm|| |
||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|| |
| Line 48: | Line 61: |
| ||MC1 length || -- || ||m|| ||MC2 length || 13.324109 || ||m|| ||MC1 Finesse || -- || || || ||MC2 Finesse || -- || || || |
||MC1 length || -- || -- ||m|| ||MC2 length || 26.648218 || 26.648218 ||m|| ||MC1 Finesse || -- || -- || || ||MC2 Finesse || -- || -- || || |
| Line 53: | Line 66: |
| ||<bgcolor="#FFFF00":colspan="4"> '''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 || |
|
| Line 54: | Line 74: |
| ||Quantum efficiency || 0.9 || || || ||CARM control band width || 30k? || ||Hz|| ||DARM control band width || 200? || ||Hz|| ||MICH control band width || 50? || ||Hz|| |
||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 || -- || || |
Optical Parameters
Parameter |
iLCGT |
mLCGT |
units |
Laser source |
|||
Wave length |
1064 |
1064 |
nm |
Initial Laser Power |
10-20 |
TBD |
W |
Injecting Laser Power into IFO |
10-20 |
TBD |
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 |
-- |
|
Arm power (single arm) |
-- |
-- |
W |
PRC power on BS |
10-20 |
100-200 |
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 |
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 |
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 |
TBD |
m |
FM AR ROC |
Inf |
Inf |
m |
PRM ROC |
No PR |
-- |
m |
SRM ROC |
No SR |
-- |
m |
BS ROC |
Inf |
Inf |
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 |
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 |
-- |
|
|
|
|
|