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Comment:
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Editor: YutaMichimura
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----
== Mirror Location ==
=== Length ===
||MCi to MCo ||0.500m ||
||MCi/o to MCe ||26.400m ||
||MCo to IMMT1 ||5.868m ||
||IMMT1 to IMMT2 ||3.105m ||
||IMMT2 to PRM ||5.017m ||
|| PRM to PR2 || 14.7615m ||
|| PR2 to PR3 || 11.0661m ||
|| PR3 to BS || 15.7638m ||
|| BS to ITMX (iKAGRA) || 53.3829m ||
|| BS to ITMY (iKAGRA) || 50.0531m ||
|| ITMX/Y to ETMX/Y (iKAGRA) || 2938.35m ||

* note that there's no PRM in iKAGRA

* ITMX/Y for iKAGRA is 26.718m ahead of ITMX/Y for bKAGRA (considering MC length and ITM substrate)

* ETMX/Y for iKAGRA is 34.932m ahead of ETMX/Y for bKAGRA

=== Incident Angles ===
||MCi ||44.729deg ||
||MCe ||44.729deg ||
||MCo ||0.543deg ||

=== Beam Radii ===
||MC waist ||2.3887mm ||
||MCi ||2.3889mm ||
||MCe ||2.3889mm ||
||MCo ||4.4703mm ||
||IMMT1(iKAGRA) ||2.5413mm ||
||IMMT2(iKAGRA) ||2.7232mm ||
||PR2(iKAGRA) ||4.7554mm ||
||PR3(iKAGRA) ||34.629mm ||
||BS(iKAGRA) ||34.593mm ||
||Arm waist (iKAGRA) ||33.723mm ||
||ITMX/Y(iKAGRA) ||34.481mm ||
||ETMX/Y(iKAGRA) ||39.671mm ||

* I/ETM RoCs are 14km and 7.5km for iKAGRA
* Beam radii at PDs are less than ~0.4 mm

----
== Mirror Specs ==
'''MCi'''
||HR Radius of Curvature ||Flat (>100km) ||As flat as possible ||
||AR Radius of Curvature ||Flat (>100km) ||As flat as possible ||
||AR Wedge Angle ||2.5 (+/-??)deg || ||
||Transmission@1064nm ||0.0062 +/-?? || ||
||HR Loss@1064nm ||<100ppm || ||
||AR Reflectivity@1064nm ||?(+/-??)ppm || ||
||Diameter ||100mm ||or slightly less ||
||Thickness ||30mm || ||

'''MCo'''
||HR Radius of Curvature ||Flat (>100km) ||As flat as possible ||
||AR Radius of Curvature ||Flat (>100km) ||As flat as possible ||
||AR Wedge Angle ||2.5 (+/-??)deg || ||
||Transmission@1064nm ||0.0062 +/-?? || ||
||HR Loss@1064nm ||<100ppm || ||
||AR Reflectivity@1064nm ||??(+/-??)ppm || ||
||Diameter ||100mm ||or slightly less ||
||Thickness ||30mm || ||

'''MCe'''
||HR Radius of Curvature ||37.3(+/-0.1)m ||0.5% error ||
||AR Radius of Curvature ||Flat (>100km) ||As flat as possible ||
||AR Wedge Angle ||??+/-??deg || ||
||Transmission@1064nm ||?? +/-?? || ||
||HR Loss@1064nm ||<100ppm || ||
||AR Reflectivity@1064nm ||??(+/-??)ppm || ||
||Diameter ||100mm ||or slightly less ||
||Thickness ||60mm? || ||

'''MMT1 (bKAGRA)'''
||HR Radius of Curvature ||-8.953(+/-0.1)m || ||
||AR Radius of Curvature ||Flat (>100km) ||As flat as possible ||
||AR Wedge Angle ||0.3(+/-??)deg || ||
||Transmission@1064nm ||1500ppm<T<2000ppm || ||
||HR Loss@1064nm ||<1000ppm || ||
||AR Reflectivity@1064nm ||<0.1% || ||
||AR Reflectivity@670nm ||>40% || ||
||Diameter ||100mm? || ||
||Thickness ||30mm? || ||

'''MMT2 (bKAGRA)'''
||HR Radius of Curvature ||13.910(+/-0.1)m || ||
||AR Radius of Curvature ||Flat (>100km) ||As flat as possible ||
||AR Wedge Angle ||0.3(+/-??)deg || ||
||Transmission@1064nm ||200ppm<T<400ppm || ||
||HR Loss@1064nm ||<1000ppm || ||
||AR Reflectivity@1064nm ||<0.1% || ||
||AR Reflectivity@670nm ||>40% || ||
||Diameter ||100mm? || ||
||Thickness ||30mm? || ||

'''MMT1 (iKAGRA)'''
||HR Radius of Curvature ||Flat || ||
||AR Radius of Curvature ||Flat || ||
||AR Wedge Angle ||??+/-??deg || ||
||Transmission@1064nm ||?? +/-?? || ||
||HR Loss@1064nm ||<100ppm || ||
||AR Reflectivity@1064nm ||?(+/-??)ppm || ||
||Diameter ||???mm || ||
||Thickness ||??mm || ||

'''MMT2 (iKAGRA)'''
||HR Radius of Curvature ||Flat || ||
||AR Radius of Curvature ||Flat || ||
||AR Wedge Angle ||??+/-??deg || ||
||Transmission@1064nm ||?? +/-?? || ||
||HR Loss@1064nm ||<100ppm || ||
||AR Reflectivity@1064nm ||?(+/-??)ppm || ||
||Diameter ||???mm || ||
||Thickness ||??mm || ||

'''IFI'''
||TGG Diameter ||???mm || ||
||TGG Thickness ||??mm || ||
||TGG Wedge Angle ||??deg || ||
||QR Diameter ||???mm || ||
||QR Thickness ||??mm || ||
||QR Wedge Angle ||??deg || ||
||CWP Diameter ||???mm || ||
||CWP Thickness ||??mm || ||
||CWP Wedge Angle ||??deg || ||
||HWP Diameter ||???mm || ||
||HWP Thickness ||??mm || ||
||HWP Wedge Angle ||??deg || ||

IOO Optical Parameters

Under construction...

Mirror Location

Length

MCi to MCo

0.500m

MCi/o to MCe

26.400m

MCo to IMMT1

5.868m

IMMT1 to IMMT2

3.105m

IMMT2 to PRM

5.017m

PRM to PR2

14.7615m

PR2 to PR3

11.0661m

PR3 to BS

15.7638m

BS to ITMX (iKAGRA)

53.3829m

BS to ITMY (iKAGRA)

50.0531m

ITMX/Y to ETMX/Y (iKAGRA)

2938.35m

* note that there's no PRM in iKAGRA

* ITMX/Y for iKAGRA is 26.718m ahead of ITMX/Y for bKAGRA (considering MC length and ITM substrate)

* ETMX/Y for iKAGRA is 34.932m ahead of ETMX/Y for bKAGRA

Incident Angles

MCi

44.729deg

MCe

44.729deg

MCo

0.543deg

Beam Radii

MC waist

2.3887mm

MCi

2.3889mm

MCe

2.3889mm

MCo

4.4703mm

IMMT1(iKAGRA)

2.5413mm

IMMT2(iKAGRA)

2.7232mm

PR2(iKAGRA)

4.7554mm

PR3(iKAGRA)

34.629mm

BS(iKAGRA)

34.593mm

Arm waist (iKAGRA)

33.723mm

ITMX/Y(iKAGRA)

34.481mm

ETMX/Y(iKAGRA)

39.671mm

* I/ETM RoCs are 14km and 7.5km for iKAGRA * Beam radii at PDs are less than ~0.4 mm

Mirror Specs

MCi

HR Radius of Curvature

Flat (>100km)

As flat as possible

AR Radius of Curvature

Flat (>100km)

As flat as possible

AR Wedge Angle

2.5 (+/-??)deg

Transmission@1064nm

0.0062 +/-??

HR Loss@1064nm

<100ppm

AR Reflectivity@1064nm

?(+/-??)ppm

Diameter

100mm

or slightly less

Thickness

30mm

MCo

HR Radius of Curvature

Flat (>100km)

As flat as possible

AR Radius of Curvature

Flat (>100km)

As flat as possible

AR Wedge Angle

2.5 (+/-??)deg

Transmission@1064nm

0.0062 +/-??

HR Loss@1064nm

<100ppm

AR Reflectivity@1064nm

??(+/-??)ppm

Diameter

100mm

or slightly less

Thickness

30mm

MCe

HR Radius of Curvature

37.3(+/-0.1)m

0.5% error

AR Radius of Curvature

Flat (>100km)

As flat as possible

AR Wedge Angle

??+/-??deg

Transmission@1064nm

?? +/-??

HR Loss@1064nm

<100ppm

AR Reflectivity@1064nm

??(+/-??)ppm

Diameter

100mm

or slightly less

Thickness

60mm?

MMT1 (bKAGRA)

HR Radius of Curvature

-8.953(+/-0.1)m

AR Radius of Curvature

Flat (>100km)

As flat as possible

AR Wedge Angle

0.3(+/-??)deg

Transmission@1064nm

1500ppm<T<2000ppm

HR Loss@1064nm

<1000ppm

AR Reflectivity@1064nm

<0.1%

AR Reflectivity@670nm

>40%

Diameter

100mm?

Thickness

30mm?

MMT2 (bKAGRA)

HR Radius of Curvature

13.910(+/-0.1)m

AR Radius of Curvature

Flat (>100km)

As flat as possible

AR Wedge Angle

0.3(+/-??)deg

Transmission@1064nm

200ppm<T<400ppm

HR Loss@1064nm

<1000ppm

AR Reflectivity@1064nm

<0.1%

AR Reflectivity@670nm

>40%

Diameter

100mm?

Thickness

30mm?

MMT1 (iKAGRA)

HR Radius of Curvature

Flat

AR Radius of Curvature

Flat

AR Wedge Angle

??+/-??deg

Transmission@1064nm

?? +/-??

HR Loss@1064nm

<100ppm

AR Reflectivity@1064nm

?(+/-??)ppm

Diameter

???mm

Thickness

??mm

MMT2 (iKAGRA)

HR Radius of Curvature

Flat

AR Radius of Curvature

Flat

AR Wedge Angle

??+/-??deg

Transmission@1064nm

?? +/-??

HR Loss@1064nm

<100ppm

AR Reflectivity@1064nm

?(+/-??)ppm

Diameter

???mm

Thickness

??mm

IFI

TGG Diameter

???mm

TGG Thickness

??mm

TGG Wedge Angle

??deg

QR Diameter

???mm

QR Thickness

??mm

QR Wedge Angle

??deg

CWP Diameter

???mm

CWP Thickness

??mm

CWP Wedge Angle

??deg

HWP Diameter

???mm

HWP Thickness

??mm

HWP Wedge Angle

??deg

KAGRA/Subgroups/IOO/OptParam (last edited 2022-02-09 11:47:14 by matteo.leonardi)