Output Mode-cleaner
Meetings
Reports
Report by Kumeta (Japanese, 2013)
Report by Somiya (English, 2013)
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 17/10/25)
item |
RoC |
Beam Raidus |
OMMT1 |
13.16m |
4.58mm |
OMMT2 |
44.39m |
??mm |
OSTM |
flat |
TBA |
OMC1 |
flat |
432um |
OMC2 |
flat |
453um(X)/456um(Y) |
OMC3 |
1.80m |
619um |
OMC4 |
1.80m |
619um |
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
TBD
Control Scheme
TBD