Differences between revisions 38 and 40 (spanning 2 versions)

Output Mode-cleaner

Meetings

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%.

item	RoC	Beam Raidus	Misc
OMMT1	13.16m	4.46mm	Dia: 99.95mm, thick: 55.58(largest), wedge: 2.45deg (measured by Hirose-san 2018)
OMMT2	44.39m	2.68mm	Dia: 99.97mm, thick: 55.08(largest), wedge: 3.3deg (measured by Hirose-san 2018)
OSTM	flat	TBA
OMC1	flat	444um
OMC2	flat	444um(X)/447um(Y)
OMC3	1.80m	604um
OMC4	1.80m	604um
DCPD	--	592um

Total mass to be suspended	13kg
Number of suspensions	3
Blade spring size	220mm x 53mm
Radius of curvature	190mm
Distance from a blade end to a suspension wire	203.5mm
Blade material	MAS-1
Blade mass	4.3kg

LSC
Dither frequency	1kHz (tentative)
Dither optics	OMC3 or OMC4
Signal extraction port	OMC trans DCPDs
ASC
Dither frequency	not yet decided
Dither optics	OSTM (tentative)
Signal extraction port	OMC trans DCPDs; on-board QPDs are used for the course alignment

-  ⇤ ← Revision 38 as of 2019-07-09 10:17:58 → 
  Size: 2002
  Editor: KentaroSomiya
  Comment:
+   ← Revision 40 as of 2019-08-11 16:32:54 → ⇥
  Size: 2101
  Editor: KentaroSomiya
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 30:
-||DCPD||--||562um||||
+||DCPD||--||592um||||
 Line 58:
-||Dither frequency||TBD||
+||Dither frequency||1kHz (tentative)||
 Line 62:
-||Dither frequency||TBD||
||Dither optics||TBD||
||Signal extraction port||TBD||
+||Dither frequency||not yet decided||
||Dither optics||OSTM (tentative)||
||Signal extraction port||OMC trans DCPDs; on-board QPDs are used for the course alignment||