Diff for "LCGT/iLCGT/IFOParameters"

Differences between revisions 3 and 7 (spanning 4 versions)

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	--

-  ⇤ ← Revision 3 as of 2010-11-08 01:56:24 → 
  Size: 4077
  Editor: KentaroSomiya
  Comment:
+   ← Revision 7 as of 2010-11-08 02:05:33 → ⇥
  Size: 4148
  Editor: KentaroSomiya
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
-'''[[../|..Up]]'''
-Line 3:
+Line 2:
-== Interferometer Parameters ==
+== Optical Parameters ==
-Line 9:
+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||
||RF freq 2                          || NA || ||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 16:
+Line 13:
-||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||
+||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 22:
+Line 19:
-||Arm cavity length || 3000      || ||m||
+||Arm cavity length || 3000      || 3000 ||m||
-Line 24:
+Line 21:
-||Asymmetry length  || 3.33103   || ||m||
||BS-FM length      || 25        || ||m||
+||Asymmetry length  || 3.33103   || 3.33103 ||m||
||BS-FM length      || 25        || 25 ||m||
-Line 33:
+Line 30:
-||BS Reflectivity   || 0.5      ||        || ||
+||BS Reflectivity   || 0.5   || 0.5 || ||
-Line 51:
+Line 48:
-||FM ROC            || TBD || ||m||
||FM AR ROC         || Flat || ||m||
+||FM ROC            || TBD || TBD ||m||
||FM AR ROC         || Inf || Inf ||m||
-Line 55:
+Line 52:
-||BS ROC            || Infinity    || ||m||
+||BS ROC            || Inf  || Inf ||m||
-Line 65:
+Line 62:
-||MC2 length                         || 26.648218 || ||m||
+||MC2 length                         || 26.648218 || 26.648218 ||m||
-Line 77:
+Line 74:
-||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 || || ||
+||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 || -- || ||