Differences between revisions 7 and 33 (spanning 26 versions)

Output Mode-cleaner

Meetings

2016
2017
2018

Task List

here

Reports

OMC Design Document

Requirement

Shot noise increase due to the signal reduction by the OMC and residual spatial higher order modes after the OMC should be less than 5%.

Optical Design (updated 17/11/14)

item	RoC	Beam Raidus
OMMT1	13.16m	4.46mm
OMMT2	44.39m	2.68mm
OSTM	flat	TBA
OMC1	flat	444um
OMC2	flat	444um(X)/447um(Y)
OMC3	1.80m	604um
OMC4	1.80m	604um
DCPD	--	562um

Space	Distance	AOI
SRM-OMMT1	5.63m	3.07deg
OMMT1-OMMT2	2.60m	3.07deg
OMMT2-OSTM	2.97m	90deg
OSTM-OBS1	0.30m	90deg
OBS1-OMC1	0.03m	0.078deg
OMC1-OMC2	0.357m	3.00deg
OMC2-OMC3	0.359m	3.00deg
OMC3-OMC4	0.357m	3.00deg
OMC4-OMC1	0.359m	3.00deg

Suspension Design

Total mass to be suspended	13kg
Number of suspensions	3
Blade spring size	220x53
Blade material	MAS-1
Blade mass	4.3kg

JGW-G1707050-v1

Control Scheme

LSC
Dither frequency	TBD
Dither optics	OMC3 or OMC4
Signal extraction port	OMC trans DCPDs
ASC
Dither frequency	TBD
Dither optics	TBD
Signal extraction port	TBD

-  ⇤ ← Revision 7 as of 2016-09-20 00:12:04 → 
  Size: 991
  Editor: KentaroSomiya
  Comment:
+   ← Revision 33 as of 2018-03-13 14:59:51 → ⇥
  Size: 1643
  Editor: KentaroSomiya
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 4:
- * [[KAGRA/Subgroups/IOO/OMC/meeting2016|OMCmeeting2016]]
+ * [[KAGRA/Subgroups/IOO/OMC/meeting2016|2016]]
 * [[KAGRA/Subgroups/IOO/OMC/meeting2017|2017]]
 * [[KAGRA/Subgroups/IOO/OMC/meeting2018|2018]]
-Line 6:
+Line 8:
- * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1875|Report by Kumeta]] (Japanese)
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2105|Report by Somiya]] (English)
+== Task List ==
 * [[KAGRA/Subgroups/IOO/OMC/Tasks|here]]
-Line 9:
+Line 11:
-=== Requirement ===
+== Reports ==

 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8043|OMC Design Document]]

== Requirement ==
-Line 13:
+Line 19:
-=== Optical Design ===
+== Optical Design (updated 17/11/14) ==
-Line 15:
+Line 21:
-||OMMT1||26.5m||4.52mm||
||OMMT2||26.5m||3.23mm||
||OMC1||2.35m||756umm||
||OMC2||flat||653um||
||OMC3||flat||614um||
||OMC4||flat||653um||
+||OMMT1||13.16m||4.46mm||
||OMMT2||44.39m||2.68mm||
||OSTM||flat||TBA||
||OMC1||flat||444um||
||OMC2||flat||444um(X)/447um(Y)||
||OMC3||1.80m||604um||
||OMC4||1.80m||604um||
||DCPD||--||562um||
-Line 23:
+Line 31:
-||SRM-OMMT1||4.0m||1.9deg||
||OMMT1-OMMT2||4.0m||1.9deg||
||OMMT2-OMC1||4.75m||TBD||
||OMC1-OMC2||0.435m||TBD||
||OMC2-OMC3||0.435m||TBD||
||OMC3-OMC4||0.435m||TBD||
||OMC4-OMC1||0.435m||TBD||
+||SRM-OMMT1||5.63m||3.07deg||
||OMMT1-OMMT2||2.60m||3.07deg||
||OMMT2-OSTM||2.97m||90deg||
||OSTM-OBS1||0.30m||90deg||
||OBS1-OMC1||0.03m||0.078deg||
||OMC1-OMC2||0.357m||3.00deg||
||OMC2-OMC3||0.359m||3.00deg||
||OMC3-OMC4||0.357m||3.00deg||
||OMC4-OMC1||0.359m||3.00deg||
-Line 31:
+Line 41:
-=== Suspension Design ===
+== Suspension Design ==
-Line 33:
+Line 43:
-TBD
+||Total mass to be suspended||13kg||
||Number of suspensions||3||
||Blade spring size||220x53||
||Blade material||MAS-1||
||Blade mass||4.3kg||
-Line 35:
+Line 49:
-=== Control Scheme ===
+ * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7050|JGW-G1707050-v1]]
-Line 37:
+Line 51:
-TBD
+== Control Scheme ==

||||LSC||
||Dither frequency||TBD||
||Dither optics||OMC3 or OMC4||
||Signal extraction port||OMC trans DCPDs||
||||ASC||
||Dither frequency||TBD||
||Dither optics||TBD||
||Signal extraction port||TBD||