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TBA == Meetings ==
 * [[KAGRA/Subgroups/IOO/OMC/meeting2016|OMCmeeting2016]]

 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1875|Report by Kumeta]] (Japanese)
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2105|Report by Somiya]] (English)

=== 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 ===
||item||RoC||Beam Raidus||
||OMMT1||26.5m||4.52mm||
||OMMT2||26.5m||3.23mm||
||OMC1||2.35m||756umm||
||OMC2||flat||653um||
||OMC3||flat||614um||
||OMC4||flat||653um||

||Space||Distance||AOI||
||SRM-OMMT1||4.0m||1.9deg||
||OMMT1-OMMT2||4.0m||1.9deg||
||OMMT2-OMC1||4.75m||TBD||
||OMC1-OMC2||0.435m||TBD||
||OMC2-OMC3||0.435m||TBD||
||OMC3-OMC4||0.435m||TBD||
||OMC4-OMC1||0.435m||TBD||

=== Suspension Design ===

TBD

=== Control Scheme ===

TBD

Output Mode-cleaner

Meetings

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

item

RoC

Beam Raidus

OMMT1

26.5m

4.52mm

OMMT2

26.5m

3.23mm

OMC1

2.35m

756umm

OMC2

flat

653um

OMC3

flat

614um

OMC4

flat

653um

Space

Distance

AOI

SRM-OMMT1

4.0m

1.9deg

OMMT1-OMMT2

4.0m

1.9deg

OMMT2-OMC1

4.75m

TBD

OMC1-OMC2

0.435m

TBD

OMC2-OMC3

0.435m

TBD

OMC3-OMC4

0.435m

TBD

OMC4-OMC1

0.435m

TBD

Suspension Design

TBD

Control Scheme

TBD

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