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| TBA | == Meetings == * [[KAGRA/Subgroups/IOO/OMC/meeting2016|2016]] * [[KAGRA/Subgroups/IOO/OMC/meeting2017|2017]] * [[KAGRA/Subgroups/IOO/OMC/meeting2018|2018]] == Reports == To be uploaded. === 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 === TBD === Control Scheme === TBD === Task List for OMC and OFI (updated 18/3/11) === ||item||state|| ||Design a post||Not yet|| ||Make a breadboard for OFI||Not yet|| ||Check the extinction ratio of OFI||Not yet|| ||Design and make the Transport fixture for OMC||On going|| ||Make a mount for PD(for OMC)||Not yet|| ||Make a QPD for monitoring alignment of OMC||Not yet|| ||Make a control system for alignment of OMC||Not yet|| ||Design a frame of suspension for OMC||On going|| ||Control test and cabling (in Air and vacuum)||Not yet|| ||Make a suspension for OFI||Not yet|| ||Install OMC and its suspension||Not yet|| ||Install OFI and its suspension||Not yet|| ||Simulation of control MIF using beacon signal||Not yet|| ||Check the all calculation by Somiya-san about OMC||Not yet|| ||Make a control system for OMC in Digital system||Not yet|| |
Output Mode-cleaner
Meetings
Reports
To be uploaded.
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
TBD
Control Scheme
TBD
Task List for OMC and OFI (updated 18/3/11)
item |
state |
Design a post |
Not yet |
Make a breadboard for OFI |
Not yet |
Check the extinction ratio of OFI |
Not yet |
Design and make the Transport fixture for OMC |
On going |
Make a mount for PD(for OMC) |
Not yet |
Make a QPD for monitoring alignment of OMC |
Not yet |
Make a control system for alignment of OMC |
Not yet |
Design a frame of suspension for OMC |
On going |
Control test and cabling (in Air and vacuum) |
Not yet |
Make a suspension for OFI |
Not yet |
Install OMC and its suspension |
Not yet |
Install OFI and its suspension |
Not yet |
Simulation of control MIF using beacon signal |
Not yet |
Check the all calculation by Somiya-san about OMC |
Not yet |
Make a control system for OMC in Digital system |
Not yet |