|
Size: 5736
Comment:
|
Size: 5889
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 9: | Line 9: |
| ||Parameter||LCGT VRSE-D (2010)<<FootNote(2004 data referred to [[http://gw.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=30&version=1|LCGT design document 1.0]].)>>||LCGT VRSE-B (2010)<<FootNote(2007 data referred to [[http://gw.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=30|LCGT design document 2.0]] and [[attachment:LCGT/subgroup/ifo/ISC/CoreDocuments/TAC.ppt|TAC presentation]] at 2005/8/23)>> ||units|| ||<colspan="4", bgcolor="#FFFF00"> Laser source || |
||'''Parameter'''||'''LCGT VRSE-D (2010)'''<<FootNote(2004 data referred to [[http://gw.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=30&version=1|LCGT design document 1.0]].)>>||'''LCGT VRSE-B (2010)'''<<FootNote(2007 data referred to [[http://gw.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=30|LCGT design document 2.0]] and [[attachment:LCGT/subgroup/ifo/ISC/CoreDocuments/TAC.ppt|TAC presentation]] at 2005/8/23)>> ||units|| /* ===================================================================== */ ||<bgcolor="#FFFF00":colspan="4"> '''Laser source''' || |
| Line 13: | Line 14: |
| ||Injecting Laser Power into IFO||75 (carrier) = 78.48 (in total) || ||W|| | ||Injecting Laser Power into IFO||78.48 (in total), 75 (carrier) || ||W|| |
| Line 23: | Line 24: |
| || || || || || | ||<bgcolor="#FFFF00":colspan="4"> '''Mirror optical properties''' || |
Interferometer Parameters
Old parameter sets (before 2010)
(Classical-noise parameters are here)
Laser source |
|||||
Wave length |
1064 |
|
nm |
||
Initial Laser Power |
150 |
|
W |
||
Injecting Laser Power into IFO |
78.48 (in total), 75 (carrier) |
|
W |
||
Modulation depth |
0.3 for both |
|
|
||
RF freq 1 |
11.25 (PM) |
|
MHz |
||
RF freq 2 |
45.00 (PM) |
|
MHz |
||
MC1 length |
|
|
m |
||
MC2 length |
|
|
m |
||
MC1 FSR |
|
|
MHz |
||
MC2 FSR |
|
|
MHz |
||
MC1 Finesse |
|
|
MHz |
||
MC2 Finesse |
|
|
MHz |
||
Mirror optical properties |
|||||
EM Reflectivity |
0.999945 |
|
|
||
FM Reflectivity |
0.996 |
|
|
||
PRM Reflectivity |
0.9 |
|
|
||
SRM Reflectivity |
0.8464 = 0.92^2 |
|
|
||
BS Reflectivity |
0.5 |
|
|
||
EM Loss |
45e-6 |
|
|
||
FM Loss |
45e-6 |
|
|
||
PRM Loss |
45e-6 |
|
|
||
SRM Loss |
45e-6 |
|
|
||
BS Loss |
100e-6 |
|
|
||
Transmittance |
1 - R - Loss |
|
|
||
|
|
|
|
||
Arm cavity length |
3006.69 |
|
m |
||
PR cavity length |
73.2826 |
|
m |
||
PRM-BS length |
48.2826 |
|
m |
||
BS-FM X length |
26.665515 |
|
m |
||
BS-FM Y length |
23.334485 |
|
m |
||
Asymmetry length |
3.33103 |
|
m |
||
SR cavity length |
17.9878? |
45? |
|
|
m |
SRM-BS length |
Not determined |
Not determined |
|
|
m |
SRC detuning phase |
0.05934 = 3.4 degree |
pi/2 |
|
rad |
|
|
|
|
|
|
|
Arm cavity FSR |
0.05 |
0.05 |
|
|
MHz |
PRC cavity FSR |
19.3166 |
6.7 |
|
|
MHz |
Arm cavity Finesse |
1250 |
1548 |
777 |
777 |
|
Arm power gain |
796 |
987 |
|
|
|
Arm power(single) |
0.398 |
0.3859 |
0.202 |
0.202 |
MW |
PR gain |
10 |
10.63 |
11 |
11 |
|
PRC power on BS |
1000 |
797.14 |
825 |
825 |
W |
SR gain |
10 |
14.68 |
? |
N/A |
|
Arm cavity cut-off frequency |
|
16.14 |
31.8 |
31.8 |
Hz |
PR cavity cut-off frequency |
|
1.209e6 |
|
|
Hz |
PR-Arm cut-off frequency |
|
1.189 |
2.3 |
2.3 |
Hz |
Signal band |
|
236.9 |
|
|
Hz |
MICH contrast |
0.995 |
0.995 |
|
|
|
Other losses in PRC |
Not defined |
1e-3 |
0.02/PRG |
0.02/PRG |
|
Other losses in SRC |
Not defined |
|
0.02/SRG |
0.02/SRG |
|
|
|
|
|
|
|
EM mass |
50.9 |
30 |
30 |
30 |
kg |
FM mass |
50.9 |
30 |
30 |
30 |
kg |
PRM mass |
Not defined |
Not defined |
|
|
kg |
SRM mass |
Not defined |
Not defined |
|
|
kg |
BS mass |
Not defined |
Not defined |
|
|
kg |
|
|
|
|
|
|
EM ROC |
4500 |
4500 |
4500 |
4500 |
m |
FM ROC |
Infinity |
Infinity |
Infinity |
Infinity |
m |
FM AR ROC |
12 |
?? |
Infinity |
Infinity |
m |
PRM ROC |
0.81 |
?? |
|
|
m |
SRM ROC |
Not defined |
Not defined |
|
|
m |
BS ROC |
Infinity |
Infinity |
|
|
m |
|
|
|
|
|
|
EM AR Reflectivity |
Not defined |
1e-3 |
|
|
|
FM AR Reflectivity |
Not defined |
1e-3 |
|
|
|
PRM AR Reflectivity |
Not defined |
1e-3 |
|
|
|
SRM AR Reflectivity |
Not defined |
1e-3 |
|
|
|
BS AR Reflectivity |
Not defined |
1e-3 |
|
|
|
EM AR Loss |
Not defined |
Not defined |
|
|
|
FM AR Loss |
Not defined |
Not defined |
|
|
|
PRM AR Loss |
Not defined |
Not defined |
|
|
|
SRM AR Loss |
Not defined |
Not defined |
|
|
|
BS AR Loss |
Not defined |
Not defined |
|
|
|
|
|
|
|
|
|
EM absorption loss (bulk) |
20 |
20 |
|
|
ppm/cm |
FM absorption loss (bulk) |
20 |
20 |
20 |
20 |
ppm/cm |
EM absorption loss (coat) |
|
|
ppm |
||
FM absorption loss (coat) |
<1 |
<1 |
ppm |
||
PRM absorption loss |
5 |
5 |
|
|
ppm/cm |
SRM absorption loss |
5 |
5 |
|
|
ppm/cm |
BS absorption loss |
5 |
5 |
|
|
ppm/cm |
EM thickness |
18 |
15 |
15 |
15 |
cm |
FM thickness |
18 |
15 |
15 |
15 |
cm |
PRM thickness |
Not defined |
Not defined |
|
|
cm |
SRM thickness |
Not defined |
Not defined |
|
|
cm |
BS thickness |
Not defined |
Not defined |
|
|
cm |
EM bulk Loss |
1000 |
1000 |
|
|
ppm |
FM bulk Loss |
1000 |
1000 |
|
|
ppm |
PRM bulk Loss |
1000 |
1000 |
|
|
ppm |
SRM bulk Loss |
1000 |
1000 |
|
|
ppm |
BS bulk Loss |
1000 |
1000 |
|
|
ppm |
|
|
|
|
|
|
OMC input/output mirror reflectivity |
0.8 |
0.8 |
|
|
|
OMC end mirror reflectivity |
0.99995 |
0.99995 |
|
|
|
OMC length |
0.07 |
0.07 |
|
|
m |
OMC MC FSR |
4282 |
4282 |
|
|
MHz |
OMC Finesse |
14 |
14 |
|
|
MHz |
|
|
|
|
|
|
Quantum efficiency |
0.9 |
0.9 |
|
||
Frequency Stabilization band width |
10000 |
10000 |
|
|
Hz |
CARM control band width |
Not defined |
0.1 |
|
|
Hz |
DARM control band width |
Not defined |
1000 |
|
|
Hz |
PRC control band width |
Not defined |
1000 |
|
|
Hz |
MICH control band width |
Not defined |
10 |
|
|
Hz |
SRC control band width |
Not defined |
1000 |
|
|
Hz |
To do list to define parameters for 2009
Reference
Length Sensing Scheme Review by Somiya (Japanese) lcgtrse.pdf
Length Sensing Scheme Review for advLIGO by Somiya AdvLIGO-LSCv4.pdf
2004 data referred to LCGT design document 1.0. (1)
2007 data referred to LCGT design document 2.0 and TAC presentation at 2005/8/23 (2)