Differences between revisions 1 and 15 (spanning 14 versions)
Revision 1 as of 2014-01-04 15:09:21
Size: 32
Comment:
Revision 15 as of 2017-06-15 12:24:32
Size: 1120
Comment:
Deletions are marked like this. Additions are marked like this.
Line 3: Line 3:
TBA == Meetings ==
 * [[KAGRA/Subgroups/IOO/OMC/meeting2016|2016]]
 * [[KAGRA/Subgroups/IOO/OMC/meeting2017|2017]]

== Reports ==
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1875|Report by Kumeta]] (Japanese, 2013)
 * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2105|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 ===
||item||RoC||Beam Raidus||
||OMMT1||12.48m||4.58mm||
||OMMT2||75.00m||2.62mm||
||OSTM||flat||TBA||
||OMC1||flat||432um||
||OMC2||flat||453um(X)/456um(Y)||
||OMC3||1.89m||619um||
||OMC4||1.89m||619um||

||Space||Distance||AOI||
||SRM-OMMT1||6.0m||3.0deg||
||OMMT1-OMMT2||2.73m||3.0deg||
||OMMT2-OSTM||2.96m||TBA||
||OSTM-OMC1||0.20m||TBA||
||OMC1-OMC2||0.370m||TBA||
||OMC2-OMC3||0.380m||TBA||
||OMC3-OMC4||0.370m||TBA||
||OMC4-OMC1||0.380m||TBA||

=== Suspension Design ===

TBD

=== Control Scheme ===

TBD

Output Mode-cleaner

Meetings

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

item

RoC

Beam Raidus

OMMT1

12.48m

4.58mm

OMMT2

75.00m

2.62mm

OSTM

flat

TBA

OMC1

flat

432um

OMC2

flat

453um(X)/456um(Y)

OMC3

1.89m

619um

OMC4

1.89m

619um

Space

Distance

AOI

SRM-OMMT1

6.0m

3.0deg

OMMT1-OMMT2

2.73m

3.0deg

OMMT2-OSTM

2.96m

TBA

OSTM-OMC1

0.20m

TBA

OMC1-OMC2

0.370m

TBA

OMC2-OMC3

0.380m

TBA

OMC3-OMC4

0.370m

TBA

OMC4-OMC1

0.380m

TBA

Suspension Design

TBD

Control Scheme

TBD

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