Diff for "LCGT/iLCGT/IFOParameters"

Differences between revisions 1 and 8 (spanning 7 versions)

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	86.0	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	--

-  ⇤ ← Revision 1 as of 2010-11-08 01:36:18 → 
  Size: 2737
  Editor: KentaroSomiya
  Comment:
+   ← Revision 8 as of 2010-11-28 19:30:52 → ⇥
  Size: 4196
  Editor: KentaroSomiya
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
-'''[[../|..Up]]'''


== Interferometer Parameters ==
+== Optical Parameters ==
-Line 6:
+Line 3:
-||<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 5:
-||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  || 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||
-Line 14:
+Line 12:
-||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 || ~10 || ||
||PRC power on BS                    || 10-20 || 200 ||W||
-Line 18:
+Line 17:
-||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      ||  86.0  ||degree||
-Line 22:
+Line 24:
-||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 34:
-||Arm cavity cut-off frequency       ||      || ||Hz||
-Line 32:
+Line 35:
+||Other losses in PRC                ||  || || ||
||Other losses in SRC                ||  || || ||
-Line 34:
+Line 39:
-||EM mass           || 10.8 || ||kg||
||FM mass           || 30? || ||kg||
||BS mass           || -- || ||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||
||BS mass           || 29.9 || 29.9 ||kg||
-Line 38:
+Line 45:
-||EM ROC            || -- || ||m||
||FM ROC            || -- || ||m||
||FM AR ROC         || Flat || ||m||
||BS ROC            || Infinity    || ||m||
+||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||
-Line 43:
+Line 52:
-||EM radius/thickness      || 25 / 15 || ||cm||
||FM radius/thickness      || -- || ||cm||
||PRM radius/thickness     || No PR || ||cm||
||SRM radius/thickness     || No SR || ||cm||
||BS radius/thickness      || 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 50:
+Line 59:
-||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 55:
+Line 64:
+||<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 || 113.4 (BRSE) / 125.8 (DRSE) || degree ||
-Line 56:
+Line 72:
-||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 || -- || ||