TAMA300
XIII (AB

EI)

FJKB

FJL

A

TAMA CollaborationMABILA

H

A.BertoliniD R.DeSalvoE
GKDGACCAJITAMA CollaborationM

Overview
SAS4SAS

Locked Fabry-Perot
Locked FP()EM2 SAS

300m

NM2 SAS10W
Nd:YAG
10mMC

10W
Laser

Recycling
Mirror
()NM1SAS

300m

EM1SAS

10m(Wave Front Sensor)
LengthDAC

SAS

u~10urad_rms=>sub urad

Anti-Aliasing ADC
FilterLabView
Realtime
TargetOptical Lever System
Fiber-Pigtailed Diode Laser

Position Sensitive Detector
12mm x 12mm

(2)BS:BS:DAC DSPADC

Digital mass lock filter
DSP
mass lock
200kHz~800Hz

error

error
error

SAS( 34)

JPS Talk 2005
JPS Talk 2006

(3)

WFS

WFS

preemphasis

WFS

Digital Alignment Control
LabView RealTime
500Hz sampling~10Hz

OffsetGainpole/zero
OL->WFS
SignalInjection

OL-WFS
switchingX

10Hz 20-25deg

Feedback

High freq
steep filter settingPre-emphasis / De-emphasis
pre-emphasis filter / de-emphasis filter

pre-emphasis ADC

pre-emphasis:de-emphasis:

DigitalSystem

DAC

ADDA

Length filter 10

pre-emphasis

de-emphasis

Sensitivity
Locked FP
Displacement noise of TAMA300(2007/03/20)

Displacement noise [m/rtHz]

10 -6
10 -8

10 -10
10 -12
10 -14

Locked FP

10 -16

RFPMI(2003/11/04)

10 -18-2

10-1

100

101102

3

1010
Frequency [Hz]4105101.5x10-16 m/rtHz@200Hz~1.5kHz

Sensitivity
Locked FP
Displacement noise of TAMA300(2007/03/20)

Displacement noise [m/rtHz]

10 -6
10 -8

2~100Hz

10 -10
10 -12
10 -14

Locked FP

10 -16

RFPMI(2003/11/04)

10 -18-2

10-1

100101102

31010
Frequency [Hz]4105101.5x10-16 m/rtHz@150Hz~1.5kHz

Alignment noise
10Hz / 4LPF 90Hz ...

10-3~10-4 (1mm~0.1mm) ...0.1mm?(Recycling Mirror)
Beam Jitter?

MCBeamjitter

Angular Fluctuation [rad/rtHz]

WFS

NM2: NS Front Pitch-5

10-610-710-810-910-10

10WFS-1110-1210-1

10010

110Frequency [Hz]210310SAS
RMS ~-4

Displacement noise [m/rtHz]or RMS [m]10SAS 5.5um-510-6102.1um-7103Hz2-8101Hz
microseismicRMS-910-10

10-1110IP-210(-1:10010Frequency
1 [Hz]
104.5um V/m x 20V = 90um (per SAS)
2-3)
RMS

SASRMS ~-4Mirror Velocity [(m/s)/rtHz]or RMS [m/s]

10SAS 12um/s-5

106.5um-610-710

0.7 1Hz
RMS-8

10-9

10IP-210-110010Frequency
1 [Hz]
10Summary
4SAS

300m

Locked FP

1.5 x 10-16 m/rtHz@150Hz~1.5kHz(~10Hz,WFS
=>

RMS
5.5um
=>IP12um/s

90Hz)

1/2

Displacement noise [m/Hz ]Locked Fabry-Perot: Displacement Sensitivity
10-510-610-710-810-910-1010-1110-1210-1310-1410-15

10-16

10-17

10-18

10-19(2007/03/20)

dL- (2003/11/04)
LFP (2007/03/15)
LFP (2007/03/16)
LFP (2007/03/19)
LFP (2007/03/20)

10-2

10-1

10010

1

10Frequency [Hz]2103104105

Actuator Response [rad/V]

Test Mass Actuator Response
10-2

10-3

10-4

10-510-610-710-810

NM1: WE Front Pitch
NM1: WE Front Yaw
EM1: WE End Pitch
EM1: WE End Yaw
NM2: NS Front Pitch
NM2: NS Front Yaw
EM2: NS End Pitch
EM2: NS End Yaw

-1

234

5 6 7 8100234

5 6 7 8Frequency [Hz]101

NM1: WE Front Pitch
factor -14.84u
pole
2.903 35.04
pole
2.317 9.109
zero
2.428 6.981

NM2: NS Front Pitch
factor -14.69upole
3.165 21.03
pole
2.498 13.92
zero
2.840 7.481

NM1: WE Front Yaw
factor 197.7u
pole
773.4m 22.17
pole
734.7m 8.451
zero
727.4m 6.540

NM2: NS Front Yaw
factor 204.7u
pole
781.0m 33.35

EM1: WE End Pitch
factor -15.93u
pole
2.968 26.79
pole
1.837 3.063
zero
1.973 2.569

EM2: NS End Pitch
factor -12.89u
pole
3.063 27.21
pole
2.366 6.555
zero
2.494 4.826

EM1: WE End Yaw
factor -289.2u
pole
781.1m 19.67
pole
757.5m 22.34
zero
763.6m 12.33

EM2: NS End Yaw
factor -214.1u
pole
803.0m 85.77

Remarks:- pole/zeroはf,qの並び m=10-3 u=10-6- EM2は磁石が折れた分を回路で補正しているので現状もこのままとして良い

234

5 6 7 8102

101010-9-10-11-12101010101010-51/2

Angular Fluctuation [rad/Hz ]10101/2

Angular Fluctuation [rad/Hz ]1010101010-50101102-1210101010-1100101101010-9-11-1210-110010110Frequency [Hz]10101010101010100-510

110210-8-9-11-1210-110010

110

Frequency [Hz]EM2: NS End Yaw

10-9-10-11-1210101010101010101

Frequency [Hz]1021033-7

Frequency [Hz]-810-6

EM1: WE End Yaw-70-52-103-610-8

EM2: NS End Pitch-93-7Frequency [Hz]-810-6

EM1: WE End Pitch-710-52-103-6-1-111010-1-1010-9-1-9Frequency [Hz]-81010-810-121010-7

NM2: NS Front Yaw-111010-6

Frequency [Hz]-101010

NM2: NS Front Pitch-5

NM1: WE Front Yaw-7101010-1210103-111010102-101010101-61010100

1/2

101010-1

Angular Fluctuation [rad/Hz ]1/2

Angular Fluctuation [rad/Hz ]10101/2-81/210-7

Angular Fluctuation [rad/Hz ]10-61/21010Angular Fluctuation [rad/Hz ]10NM1: WE Front Pitch-5

Angular Fluctuation [rad/Hz ]1/2

Angular Fluctuation [rad/Hz ]10-52103-6-7-8-9-10-11-1210-1

WFS controlled (meas.)
WFS uncontrolled (calc.)
OL uncontrolled (meas.)

100

10

1

Frequency [Hz]

102

103

1/2

Displacement Noise [m/Hz ]Alignment control noise coupling (2007/03/20)
10-510-610-710-810-910-1010-1110-1210-1310-1410-15

10-16

10-1710Locked FP displacement
Alignment control noise-210-1

100101102

103104

101/2

Displacement Noise [m/Hz ]Frequency [Hz]10-710-810-910-1010-1110-1210-1310-1410-1510-1610-1710-18

10-19

Alignment control noise coupling (2007/03/20)
Alignment noise coupling

10010110Frequency [Hz]NM1: WE Front Pitch
NM1: WE Front Yaw
EM1: WE End Pitch
EM1: WE End Yaw
NM2: NS Front Pitch
NM2: NS Front Yaw
EM2: NS End Pitch
EM2: NS End Yaw

1.2e-31.1e-31.0e-38.6e-5
1.6e-41.9e-45.3e-45.2e-42

31051/2

Voltage Noise [V/Hz ]1010-1

10-2

10-310-410-510-610

1/2

Voltage Noise [V/Hz ]10WFS Error SIgnal

0

NM1: WE Front Pitch
NM1: WE Front Yaw
EM1: WE End Pitch
EM1: WE End Yaw
NM2: NS Front Pitch
NM2: NS Front Yaw
EM2: NS End Pitch
EM2: NS End Yaw

20-1

10-2

10-3

10-4

10-510-610-7345 6 7 8102

1345 6 7 8Frequency [Hz]102

WFS Feedback Signal010(2007/3/20)

2345 6 7 8(2007/3/20)

NM1: WE Front Pitch
NM1: WE Front Yaw
EM1: WE End Pitch
EM1: WE End Yaw
NM2: NS Front Pitch
NM2: NS Front Yaw
EM2: NS End Pitch
EM2: NS End Yaw

10010

110
Frequency [Hz]

2

1010

3

3

10

101010101010-110-2

1/2

10-3-4-5-6-7-81010101010
10100

10
1010
10101010101010101010

1/2-8101010
10101010

110

2-7-8010010

1102-3-4-5-6-7-8010

1102

Frequency [Hz]Frequency [Hz]EM1: WE End Pitch

EM2: NS End Pitch

101/2-2-3-4-5-6-7101010101010-810101102

100-3-4-5-6-7-80101102

Frequency [Hz]Frequency [Hz]EM1: WE End Yaw

EM2: NS End Yaw

10

1/2-2-3-4-5-6-7101010101010-8101011021033-2

101010-13-1

3-2

101010-13-110-610100-5

Frequency [Hz]-70-4

NM2: NS Front Yaw-60-3

Frequency [Hz]-50-2

NM1: WE Front Yaw-40-110Voltage Noise [V/Hz ]1/2

Voltage Noise [V/Hz ]1010-31010NM2: NS Front Pitch

03-21010102Voltage Noise [V/Hz ]1/2

Voltage Noise [V/Hz ]1010101010101-11010100

Voltage Noise [V/Hz ]1/2

Voltage Noise [V/Hz ]101010101010Voltage Noise [V/Hz ]1/2

Voltage Noise [V/Hz ]10NM1: WE Front Pitch

00103-1-2-3-4-5-6-7-8100Frequency [Hz]101Frequency [Hz]Feedback signal (meas.)
Feedback signal (calc. from error sig)

102103

NM1: WE Front Pitch/Yaw

101010Pitch
Yaw

31-1

101010-31010

Phase [deg]10Meas. Calc. UGF PM
10.3 30.9
10.7 18.3
Magnitude

105-3

10-2

10-1

100

10

1

1021051-1-3

10180

180

12012060
0-60-120-310-2

10-1

10-210-1

100

10

1

102

1010105Pitch
Yaw

Phase [deg]2103-3

10-2

10-1

10

Meas. Calc. UGF PM
13.6 18.9
15.8 14.4

101010-31010-210-1

1000101EM2: NS End Pitch/Yaw(2007/3/20)-1-310102103

Frequency [Hz]1101102103

31-1-3101201200-60-120

Meas. Calc. UGF PM
13.8 13.0
15.4 12.0

Pitch
Yaw

18060(2007/3/20)

5180-310-210-1

100

10

1102

103600-60-120-180
10100

10

Magnitude

3101-60

3Phase [deg]Magnitude

1010-180-3

EM1: WE End Pitch/Yaw

10060

Frequency [Hz]1010-120-18010(2007/3/20)
Meas. Calc. UGF PM
13.8 10.7
8.65 34.0

Pitch
Yaw33

Phase [deg]Magnitude

10NM2: NS Front Pitch/Yaw(2007/3/20)-180-3

10-2

10-1

100

Frequency [Hz]10110210310-310-210-1

100

Frequency [Hz]101102

103

Delay incl. AAF
NM1: 5ms
EM1: 5ms
NM2: 5ms
EM2: 6.6ms

Displacement Noise measured by MCPZTfb(2007/3/20)

1/2

Displacement noise [m/Hz ] or RMS [m]-510-610-710

Inline FP displacement
PSD RMS
1.5µmrms
2006/08/24 Perp. OL Sus
2006/08/24 Inline OL
4.5µmrms
2007/03/13 Inline WFS4.9µmrms
2007/03/14 Perp. OL
3.8µmrms
2007/03/15 Inline OL
3.1µmrms
2007/03/19 Inline WFS
4.5µmrms
2007/03/20 Inline WFS
3.6µmrms-810-910-22345 6 7 810-1

2345 6 7 81002345 6 7 8

101

10

Frequency [Hz]Mirror Velocity measured by MCPZTfb(2007/3/20)

-4

1/2

Displacement noise [m/Hz ] or RMS [m]10-510-610-710

Inline FP displacement
PSD RMS
4.6µm/srms
2006/08/24 Perp. OL Sus
2006/08/24 Inline OL
5.3µm/srms
2007/03/13 Inline WFS
13µm/srms
2007/03/14 Perp. OL10µm/srms
2007/03/15 Inline OL
7.9µm/srms
2007/03/19 Inline WFS
19µm/srms
2007/03/20 Inline WFS
14µm/srms-810-910-210234

5 6 7 8-1

234

5 6 7 810010
Frequency [Hz]2345 6 7 8110