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To be uploaded.  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8043|OMC Design Document]]
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=== Requirement === == Requirement ==
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=== Optical Design (updated 17/11/14) === == Optical Design (updated 17/11/14) ==
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=== Suspension Design === == Suspension Design ==
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=== Control Scheme === == Control Scheme ==
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=== 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

Task List

Reports

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

KAGRA/Subgroups/IOO/OMC (last edited 2023-06-22 13:24:12 by miyoki)