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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

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

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