Data Aquisition Measurements

Donnerstag, 12. März 2020

10:16

 

Nr

Angle

Dir

Freq

Limit

Preamp

Rate

Struct

Temp

Time

Voltage

dB

430

45

Down

17

0.20

False

8

Plusses

30

600

2.5

0.0100

431

45

Up

17

0.20

False

8

Plusses

30

600

2.5

0.0100

432

45

Down

17

0.10

True

16

Plusses

30

1024

2.5

0.0025

433

45

Up

113

0.10

True

16

Plusses

30

1024

2.5

0.0020

434

45

Up

113

0.20

True

32

Plusses

30

512

2.5

0.0200

435

45

Down

113

0.10

True

16

Plusses

30

1024

5.0

0.0050

436

45

Down

113

0.20

True

8

Plusses

30

1024

5.0

0.0050

437

45

Up

113

0.15

False

8

Plusses

30

768

5.0

0.0050

438

45

Down

113

0.10

False

4

Plusses

30

2048

5.0

0.0100

439

45

Down

113

0.10

False

16

Plusses

30

1024

5.0

0.0050

440

45

Up

113

0.10

False

32

Plusses

30

512

5.0

0.0050

441

45

Down

113

0.10

False

32

Plusses

30

512

5.0

0.0050

442

45

Up

113

0.10

False

4

Plusses

30

2048

5.0

0.0050

443

45

Down

113

0.10

False

8

Plusses

20

2048

5.0

0.0050

444

45

Up

113

0.10

False

8

Plusses

20

2048

5.0

0.0050

445

45

Down

113

0.10

False

2

Plusses

10

2048

5.0

0.0050

446

45

Down

113

0.10

False

8

Plusses

15

2048

5.0

0.0050

447

45

Up

113

0.10

False

8

Plusses

15

2048

5.0

0.0050

448

45

Down

113

0.10

False

4

Plusses

15

2048

5.0

0.0050

449

45

Up

113

0.10

False

4

Plusses

15

2048

5.0

0.0050

450

45

Down

113

0.10

False

8

Empty

15

2048

5.0

0.0050

451

45

Up

113

0.10

False

8

Empty

15

2048

5.0

0.0050

 

 

 

 

 

 

 

 

 

 

 

 

452

80

Down

17

0.30

False

8

Plusses

15

1024

5.0

0.0150

453

80

Up

17

0.30

False

8

Plusses

15

1024

5.0

0.0150

454

80

Down

17

0.15

False

8

Plusses

15

2048

5.0

0.0050

455

80

Up

17

0.15

False

8

Plusses

15

2048

5.0

0.0050

456

80

STATIC

17

0

False

8

Plusses

15

2048*60

5.0

0

 

 

SR830 as DAQ

Donnerstag, 12. März 2020

10:16

 

Using the SR830 internal Storage as DAQ. Getting data via FAST mode.

Machine generated alternative text: — it 4."

 

 

 

m430: SR830DAQ scheduled without preamp

Donnerstag, 12. März 2020

10:17

Angle of sensor θ

+45

Temp

30 K

Plusses

1-13

8-6

Gate (0V)

9 - 4

14 - 7 (no Preamp)

 

sweeping from +200mT → -200mT

measuring every 10mT steps

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

20 μV

2,5 V

f

17 Hz

τ

100 ms

Input A-B

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

 600 sec for each field

Data files

 in Folder NewMeasurements2020\m430\m430.5*

Machine generated alternative text: Length=600s Down-Sweep Noise PSD 15 6 x 10 15 15 3 x 10 15 2 x 10 15 10 x 10 x 10 x 10 —0.20 —0.15 —0.10 2.0 1.5 1.0 0.5 x 10 —0.10 —0.20 —0.15 —0.10 —0.20 —0.15 —0.10 4 x 10 6 7 Rate x 10 5 —0.05 Fift W4e 8 0.20 10 10 6 15 14 15 Noise Fit at 1 Hz —0.05 0.00 0.05 Noise Sum —0.05 0.00 0.05 Hysteresis Loop —0.20 2.1 2.0 1.9 1.8 1.7 —0.15 100 0.00 (Beat 300 Time 0.05 0.10 = 0.00 T) Timesignal 200 0.15 500 —15 0.10 0.10 0.10 0.15 0.15 0.15 0.20 0.20 0.20 —0.05 0.00 Hext 0.05 T]

 

m430: Problem not stopping SR830DAQ

Donnerstag, 12. März 2020

12:21

At some field vaules the measurement didn't stop, but continue for the next field (e.g. this data contains field .2T in range 0-600s and field .19T in the second half):

· 19 T 7 · 0 6 · 9 200 400 Field 600 800 1000 Vx 1200 Time

 

Splitting these data files manually.

 

 

Fields to split:

·         .19

·         .17

·         -.2

 

 

 

 

 

m431: SR830DAQ scheduled without preamp

Donnerstag, 12. März 2020

10:17

Angle of sensor θ

+45

Temp

30 K

Plusses

1-13

8-6

Gate (0V)

9 - 4

14 - 7 (no Preamp)

 

sweeping from +200mT → -200mT

measuring every 10mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

20 μV

2,5 V

f

17 Hz

τ

100 ms

Input A-B

AC

Ground

Normal Reserve

DAQ settings: Rate: 8 Hz

Period of measurement  (min)

 600 sec for each field

Data files

 in Folder NewMeasurements2020\m431\m431*

Machine generated alternative text: 431 : Rate=8 Hz, Length=600s Up-Sweep Noise PSD 15 6 x 10 15 15 2 x 10 15 15 10 x 10 x 10 7 x 10 4 x 10 5 2.0 1.5 1.0 0.5 —11.1 —11.2 —11.3 ¯ 11.4 —11.5 Fift W4e —0.05 0.00 —0.10 Timesignal (Bext 6 0.05 0.10 = 0.00 T) 2 x 10 10 6 x 10 —0.20 0.20 15 15 —0.20 15 —0.20 —0.15 100 200 0.15 500 —15 —0.20 —0.15 —0.15 —0.15 —0.10 —0.10 —0.10 Noise Fit at 1 Hz —0.05 0.00 0.05 Noise Sum —0.05 0.00 0.05 Hysteresis Loop —0.05 0.00 0.05 0.10 0.10 0.10 0.15 0.15 0.15 0.20 0.20 0.20 300 Time

 

Machine generated alternative text: 8.0 7.8 7.6 7.2 7.0 6.8 6.6 0.06 0.1 0.07 0.08 0.09 0.11 0.12 0.13 Field O. 14 0.15 0.16 0.17 0.18 0.19

Time signal

Freitag, 13. März 2020

 

Machine generated alternative text: ¯ 14.8 —15.0 —15.2 ¯ 15.4 —15.6 —15.8 -0.1 -0.09 -0.08 -0.07 -0.06 Field -0.05 -0.04 -0.03

 

Machine generated alternative text: —7.5 —10.0 —12.5 —15.0 -0.04 -0.03 -0.02 -0.01 0.01 0.02 0.03 0.04 Field

Distribution of Time signal

Freitag, 13. März 2020

12:34

 

Machine generated alternative text: —12 —13 ¯ 14 —15 -0.2 -0.19 -0.18 -0.17 -0.16 -0.15 -0.14 -0.13 -0.12 Field -0.11 -0.1 -0.09 -0.08 -0.07 -0.06 -0.05

 

Evaluate m431 (Development of the time signal)

Donnerstag, 12. März 2020

16:08

 

 

 

 

 

 

 

 

Machine generated alternative text: —15.20 —15.25 —15.30 Vx(Bext 20.0 mT) —15.35 ¯ 15.45 —15.50 —15.55 —12.70 —12.75 —12.80 —12.85 —12.90 —12.95 —13.00 —13.05 ¯ 3.4 ¯ 4.0 ¯ 4.2 —15.00 —15.05 —15.10 —15.15 —11.1 —11.2 —11.3 ¯ 11.4 —11.5 ¯ 0.4 VC (Bext 100 100 vx(B ext 100 -30.0 mT) 100 100 100 200 200 200 300 Time 300 Time 300 Time VC (Bext VC (Bext -40.0 mT) 500 -10.0 mT) 500 500 200 200 30.0 mT) 200 300 Time 300 Time 300 Time vx(B ext 500 500 500 ¯ 14.2 ¯ 14.3 —7.8 ¯ 8.4 1.5 1.4 1.3 1.2 1.1 100 100 vx(B ext 100 200 200 40.0 mT) 200 300 Time 300 Time 300 Time 500 VC (Bext 10.0 mT) 500 500

 

Evaluate m431 (Noise representation)

Freitag, 13. März 2020

10:40

 

Info with second spectrum

Mittwoch, 22. April 2020

09:59

 

 

Noise Hysteresis (430/431)

Montag, 20. April 2020

17:10

 

 

 

m432: rate:16 Hz length:1024 s with preamp (Down Sweep)

Donnerstag, 12. März 2020

10:17

Angle of sensor θ

+45

Temp

30 K

Plusses

1-13

8-6

Gate (0V)

9 - 4

14 - 7 (Preamp)

 

sweeping from +100mT → -100mT

measuring every 2.5mT steps (81 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Pre Amplifier (SR560)

Gain Mode: Low    |   Output: 50O -> Lock In Input A     |   Gain: 1e2  

Filter Cutoffs:   Off     |  Coupling: AC

Sens

1 mV → 20 mV

2,5 V

f

17 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 16 Hz

Period of measurement  (min)

 1024 sec for each field

Data files

 in Folder NewMeasurements2020\m432\*

Notes

Badly choosen Sensitivity resulted in Overload! Not usable!

 

Machine generated alternative text: Rate=16 Hz, Length =1024s 10 10 10—11 12 10 0.6 0.4 0.2 2 x 10 270 265 260 255 250 245 Noise PSD 0.00 0.02 0.04 100 10 10 6 x 10 4 x 10 3 x 10 11 12 10 10 10 10 —0.02 200 0.06 0.10 1000 —0.02 —0.02 —0.02 0.00 0.00 0.00 Noise Fit at 1 Hz 0.02 0.04 Noise Sum 0.02 0.04 Hysteresis Loop Timesignal (Bext = 0.00 T) 600 Time 0.08 800 1000 500 —500 0.06 0.06 0.06 0.08 0.08 0.08 0.10 0.10 0.10 0.02 Hext 0.04 T]

 

m432: Overload B <= -50mT

Freitag, 13. März 2020

15:20

 

Changed the Sensitivity to 20mV

 

Need to Remeasure Values

·         -.0475

·         -.05

·         -.0525

·         -.055

·         -.0575

·         -.06

Machine generated alternative text: —600 —700 —800 —900 —1000 —1100 -0.055 -0.0525 -0.05 -0.0475 Field -0.045 -0.0425 -0.04

 

Evaluate m432 (Timesignal near 0)

Freitag, 13. März 2020

11:08

 

 

Machine generated alternative text: x 775 750 725 700 675 650 625 600 575 0.02 0.0225 0.025 0.0275 0.03 Field 0.0325 0.035 0.0375 0.04

Time signals (Non Gaussian Noise)

Freitag, 13. März 2020

14:36

 

Machine generated alternative text: 585 580 575 647.5 645.0 642.5 640.0 637.5 635.0 727.5 725.0 722.5 720.0 717.5 715.0 10 10 10 15 15 15 10 10 10 15 15 15 10 10 10 15 15 15

 

Machine generated alternative text: 980 960 920 900 880 860 820 0.050.0520.050.05750.060.0620.060.06750.070.0720.070.07750.080.0820.080.08750.090.0920.090.0975 0.1 Field

Time signals (Gaussian Noise)

Freitag, 13. März 2020

16:37

 

Machine generated alternative text: vx(B ext 890 885 880 875 920 915 910 945 935 930 960 955 950 945 62.5 mT) 10 vx(B ext vx(B ext — 65.0 mT) 15 10 Vx(Bext = 72.5 mT) — 75.0 mT) vx(B ext vx(B ext 10 15 905 900 895 890 885 925 920 915 910 950 945 935 930 965 960 955 950 945 10 15 15 905 900 895 935 930 925 920 950 930 965 960 955 950 945 — 67.5 mT) 10 — 77.5 mT) 10 15 15 Vx(Bext = 85.0 mT) Vx(Bext = 87.5 mT) Vx(Bext = 82.5 mT) 915 910 905 900 935 930 925 960 955 950 945 970 960 950 vx(B ext vx(B ext vx(B ext 10 15 70.0 mT) 10 — 80.0 mT) 10 90.0 mT) 10 15 15 15 vx(B ext 10 92.5 mT) 10 15 15 Vx(Bext = 95.0 mT) vx(B ext 10 — 97.5 mT) 10 15 15 VC(Bext — 100.0 mT) 10 15 10 15

 

 

m433: rate:16 Hz length:1024 s with preamp (Up Sweep)

Freitag, 13. März 2020

18:51

Angle of sensor θ

+45

Temp

30 K

Plusses

1-13

8-6

Gate (0V)

9 - 4

14 - 7 (Preamp)

 

Saturating at -.3T. sweeping from -100mT → +100mT

measuring every 2mT steps (101 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Pre Amplifier (SR560)

Gain Mode: Low    |   Output: 50O -> Lock In Input A     |   Gain: 1e2  

Filter Cutoffs:   Off     |  Coupling: AC

Sens

20 mV

2,5 V

f

113 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 16 Hz

Period of measurement  (min)

 1024 sec for each field

Data files

 in Folder NewMeasurements2020\m433\*

Machine generated alternative text: Rate=16 Hz, Length=1024s Up sweep —11 10 12 10 1.5 1.0 0.5 —0.375 —0.380 —0.385 —0.390 —0.395 —0.400 —0.405 Noise PSD 100 Fit —0.100 —0.075 200 —0.050 —0.025 0.000 Timesignal (Bext Time 0.025 0.050 0.075 0.100 = 0.02 T) 600 800 1000 12 10 —0.100 10 10 —0.100 1.0 0.5 —0.100 —0.075 —0.075 —0.075 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100

 

Second Spectrum overview

Mittwoch, 22. April 2020

10:08

 

 

m434: rate:32 Hz length:512 s with preamp (Down Sweep)

Sonntag, 15. März 2020

09:00

Angle of sensor θ

+45

Temp

30 K

Plusses

1-13

8-6

Gate (0V)

9 - 4

14 - 7 (Preamp)

 

Saturating at .3T. sweeping from +200mT → -200mT

measuring every 20mT steps (21 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Pre Amplifier (SR560)

Gain Mode: Low    |   Output: 50O -> Lock In Input A     |   Gain: 1e2  

Filter Cutoffs:   Off     |  Coupling: AC

Sens

20 mV

2,5 V

f

113 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 32 Hz

Period of measurement  (min)

512 sec for each field

Data files

 in Folder NewMeasurements2020\m434\*

Machine generated alternative text: Rate Length=512s Down sweep Noise PSD 10 10 —0.20 —0.15 —0.10 —0.20 —0.15 —0.10 1.0 0.5 —0.20 —0.15 —0.10 11 12 10 10 10 11 12 10 0.7 0.6 0.5 0.4 0.3 0.2 —0.20 0.00 —0.02 —0.06 100 0.00 (Bext = Noise Fit at 1 Hz —0.05 0.00 0.05 Noise Sum —0.05 0.00 0.05 Hysteresis Loop —0.15 100 —0.10 —0.05 Timesignal 200 0.05 0.10 -0.02 T) 0.15 0.20 500 —1.0 —1.5 0.10 0.10 0.10 0.15 0.15 0.15 0.20 0.20 0.20 300 Time —0.05 0.00 Hext 0.05 T]

 

Big Vy signal

Montag, 16. März 2020

12:16

Machine generated alternative text: —0.20 —0.15 —0.10 —0.05 m 434 m435 0.00 0.05 0.10 0.15 0.20

Solution:

Changing + and - connections for next measurement (m435).

Results in a larger Vx signal and lower Vy signal.

 

 

m435: rate:16 Hz Switched Polarity (Down Sweep)

Montag, 16. März 2020

18:51

Angle of sensor θ

+45

Temp

30 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (Preamp)

 

Saturating at -.3T. sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Pre Amplifier (SR560)

Gain Mode: Low    |   Output: 50O -> Lock In Input A     |   Gain: 1e2  

Filter Cutoffs:   Off     |  Coupling: AC

Sens

20 mV

5 V

f

113 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 16 Hz

Period of measurement  (min)

 1024 sec for each field

Data files

 in Folder NewMeasurements2020\m435\*

 

 

 

 

 

 

 

Machine generated alternative text: m435: Rate—IG Hz, Length—1024s switched polarity — 10 10 11 12 10 0.7 0.6 0.5 0.4 0.3 0.2 0.1 2.05 2.04 > 2.03 2.02 2.01 2.00 Noise PSD 100 —0.100 —0.075 —0.050 —0.025 0.ooo 0.025 0.050 0.075 0.100 Timesignal (Bext = 0.07 T) 11 12 10 —0.100 10 10 10 —0.075 —0.075 —0.075 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 0.050 0.075 0.100 Noise Sum —0.050 —0.025 0.ooo 0.025 0.050 0.075 0.100 Hysteresis Loop 200 600 800 1000 —0.100 0 —0.100 Time —0.050 —0.025 0.ooo Hext 0.025 0.050 0.075 0.100 T]

 

 

m436: rate:8 Hz Down Sweep

Dienstag, 17. März 2020

15:13

Angle of sensor θ

+45

Temp

30 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (Preamp)

 

Saturating at -.3T. sweeping from 200mT → -200mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Pre Amplifier (SR560)

Gain Mode: Low    |   Output: 50O -> Lock In Input A     |   Gain: 1e2  

Filter Cutoffs:   Off     |  Coupling: AC

Sens

20 mV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

 1024 sec for each field

Data files

 in Folder NewMeasurements2020\m436\*

 

 

 

 

Machine generated alternative text: Rate Noise PSD 10 — 10 10 —0.15 —0.10 —0.05 —0.15 —0.10 —0.15 —0.10 10 11 12 2 x 10 2.00 1.75 1.50 1.25 1.00 0.75 0.50 —0.15 1.16 1.14 1.12 1.10 1.08 1.06 3 m436: x 10 Length =1027s Noise Fit at 1 Hz x 10 4 x 10 wozAe 0.00 0.05 6 0.10 — 10 10 10 10 11 12 10 —0.10 200 0.20 1000 —0.05 —0.05 —0.05 0.00 0.05 Noise Sum 0.15 0.00 0.05 Timesignal (Bext = 0.01 T) 600 Time Hysteresis Loop 800 0.10 0.10 0.10 0.15 0.15 0.15 0.20 0.20 0.20 0.00 Hext 0.05 T]

 

Second Spectrum Overview

Mittwoch, 22. April 2020

10:32

 

 

 

m437: rate:8 Hz Up Sweep

Mittwoch, 18. März 2020

15:13

Angle of sensor θ

+45

Temp

30 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (no Preamp.)

 

Saturating at -.3T. sweeping from -150mT → 150mT

measuring every 5mT steps (61 different steps)

Resistance Box

1 MΩ

13,5 kΩ

 

1 MΩ

1

1

Sens

50 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

 768 sec for each field

Data files

 in Folder NewMeasurements2020\m437\*

 

 

 

 

 

 

Machine generated alternative text: m437: Rate—8 Hz, Length=892s nofSpectra: 64 10 15 10 1.75 1.50 1.25 1.00 0.75 0.50 —0.00965 —0.00970 —0.00975 —0.00980 —0.00985 —0.00990 —0.00995 2 x 10 Noise PSD 3 x 10 Fit 10 —0.15 3 X 10 2 X 10 6 x 10 6 x 10 4 x 10 3 x 10 2 x 10 10 —0.10 4 X 10 0.05 = 0.01 T) 6 x 10 0.10 0.15 15 15 15 16 —0.15 —0.15 0.00 —0.05 Timesignal (Bext 0.02 0.01 0.00 —0.01 —0.02 —0.03 —0.15 —0.10 —0.10 —0.10 Noise Fit at 1 Hz 0.00 —0.05 Noise Sum 0.00 —0.05 Hysteresis Loop 0.00 —0.05 0.05 0.05 0.05 0.10 0.10 0.10 0.15 0.15 0.15 100 200 300 500 600 700 800 Time

 

Info2 (64 vs 32 Averages)

Mittwoch, 22. April 2020

10:50

 

 

Second Spectrum Overview

Mittwoch, 22. April 2020

10:45

 

 

 

m438: rate:4 Hz 2048 s No Preamp Down Sweep

Donnerstag, 19. März 2020

14:06

Angle of sensor θ

+45

Temp

30 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (no Preamp)

 

Saturating at -.3T. sweeping from 100mT → -100mT

measuring every 10mT steps (21 different steps)

Resistance Box

1 MΩ

13,5 kΩ

 

1 MΩ

1

1

Sens

50 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 4 Hz

Period of measurement  (min)

 2048 sec for each field

Data files

 in Folder NewMeasurements2020\m438\*

 

 

 

 

 

Machine generated alternative text: Rate Length=2049s nofSpectra: 64 10 x 10 x 10 0.6 x 10 0.4 x 10 0.2 x 10 0.0088 0.0086 0.0084 e 0.0082 0.0080 0.0078 10 Noise PSD 2 x 10 II 3 x 10 3 2 6 4 3 —0.100 —0.075 —0.050 —0.025 0.ooo 0.025 0.050 Timesignal (Bext = 0.01 T) 250 500 750 1500 0.075 1750 0.100 2000 15 10 15 15 —0.100 14 14 —0.100 0.02 0.01 0.00 —0.01 —0.02 —0.03 —0.100 —0.075 —0.075 —0.075 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100 1000 Time 1250

 

 

m439: rate:16 Hz 1024s Up Sweep

Freitag, 20. März 2020

02:09

Angle of sensor θ

+45

Temp

30 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at -.3T. sweeping from -100mT → 100mT

measuring every 5mT steps (21 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

50 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 16 Hz

Period of measurement  (min)

 1024 sec for each field

Data files

 in Folder NewMeasurements2020\m437\*

Machine generated alternative text: m439: Noise PSD Rate =16Hz, Length=1024s nofSpectra: 64 6 x 10 3 X 10 2 x 10 2 x 10 15 SSV f 6 x 10 4 x 10 3 x 10 15 15 15 10 0.3 0.2 0.1 —0.100 0.0090 — 0.0088 0086 0.0084 15 15 15 15 —0.100 13 14 —0.075 200 Fit —0.050 —0.025 0.000 Timesignal (Bext Time 0.025 0.050 100 0.075 10 6 x 10 = 0.01 T) 600 0.100 1000 0.02 0.01 0.00 —0.01 —0.02 —0.03 800 —0.100 —0.100 —0.075 —0.075 —0.075 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100

 

 

m440: rate:32 Hz 512s

Samstag, 21. März 2020

10:02

Angle of sensor θ

+45

Temp

30 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at -.3T. sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

20 mV

5 V

f

113 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 32 Hz

Period of measurement  (min)

 512 sec for each field

Data files

 in Folder NewMeasurements2020\m440\*

 

 

 

 

 

Machine generated alternative text: m440: Rate=32 Hz, Length=512s nofSpectra: 64 Noise PSD 15 10 0.5 0.4 0.3 0.2 0.1 —0.100 —0.0172 —0.0173 —0.0174 —0.0175 —0.0176 —0.0177 3 x 10 2 x 10 6 x 10 4 x 10 3 x 10 15 15 15 —0.100 14 14 —0.100 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 0.050 0.075 0.100 Noise Sum —0.050 —0.025 0.ooo 0.025 0.050 0.075 0.100 Hysteresis Loop —0.075 100 100 Fit —0.050 —0.025 0.000 Timesignal (Bext 200 Time 0.025 0.050 = 0.01 T) 300 0.075 0.100 500 0.02 0.01 0.00 —0.01 —0.02 —0.03 —0.100 —0.075 —0.075 —0.075 —0.050 —0.025 0.ooo Hext 0.025 0.050 0.075 0.100 T]

 

 

m441: rate:32 Hz 512s

Montag, 23. März 2020

16:46

Angle of sensor θ

+45

Temp

30 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at -.3T. sweeping from 200mT → -200mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

20 mV

5 V

f

113 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

 1024 sec for each field

Data files

 in Folder NewMeasurements2020\m440\*

Machine generated alternative text: m 441 : Noise PSD Rate=32 Hz, Length=512s nofSpectra: 64 10 15 0.8 0.6 0.4 0.2 —0.100 0.0082 0.0080 0.0078 0.0076 0.0074 —0.075 100 100 —0.050 —0.025 0.000 Timesignal (Bext 200 Time 0.025 0.050 = 0.01 T) 300 0.075 0.100 500 15 4 x 10 15 3 x 10 15 II —0.100 14 6 x 10 14 4 x 10 3 x 10 —0.100 0.02 0.01 0.00 —0.01 —0.02 —0.03 —0.100 —0.075 —0.075 —0.075 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100

 

 

m442: rate:4 Hz 2048s

Montag, 23. März 2020

16:46

Angle of sensor θ

+45

Temp

30 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at -.3T. sweeping from 200mT → -200mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

20 mV

5 V

f

113 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

 1024 sec for each field

Data files

 in Folder NewMeasurements2020\m440\*

 

 

 

 

Machine generated alternative text: m 442 : Rate Noise PSD Length=2049s nofSpectra: 64 14 10 Noise Fit at 1 Hz 10 15 6 x 10 15 0.6 0.4 0.2 14 2 x 10 x 10 x 10 x 10 x 10 000 6 4 3 10 15 15 15 —0.100 2 x 10 Fit 3 x 10 0.075 —0.100 —0.018 —0.019 —0.020 —0.021 —0.075 250 —0.050 —0.025 0.000 Timesignal (Bext 0.025 0.050 = 0.01 T) 500 750 4 0.100 2000 13 10 6 x 10 —0.100 0.02 0.01 0.00 —0.01 —0.02 —0.03 —0.100 —0.075 —0.075 —0.075 —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100 1000 Time 1250 1500 1750

 

 

m443: rate:8 Hz 2048s Down

Montag, 23. März 2020

16:46

Angle of sensor θ

+45

Temp

30 - 5 K (slow cooldown due to missing exchange gas)

Starting @ 17:30 with 28K (INSTABLE)

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at -.3T. sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

20 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Data files

 in Folder NewMeasurements2020\m443\*

Machine generated alternative text: m 443 : Noise PSD Rate Length=2048s nofSpectra: 64 15 10 10 1.5 1.0 0.5 —0.100 —0.010 —0.011 —0.012 —0.013 10 14 x 10 x 10 Fit —0.050 —0.025 0.000 Timesignal (Bext = — 10 10 2 x 10 10 6 4 15 —0.100 13 13 14 14 —0.100 —0.075 250 0.025 0.050 -0.03 T) 500 750 0.075 1750 0.100 2000 —0.075 —0.075 —0.075 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100 1000 Time 1250 1500 0.02 0.01 0.00 —0.01 —0.02 —0.03 —0.100

 

Violin Plot (-.05 -> -.01)

Mittwoch, 22. April 2020

11:47

 

 

Second Spectrum Info32

Mittwoch, 22. April 2020

11:13

 

 

Second Spectrum

Mittwoch, 22. April 2020

11:19

 

 

Time Signal vs Second Spectrum

Mittwoch, 22. April 2020

11:39

 

 

Second Spectrum 64 Averages

Mittwoch, 22. April 2020

12:45

 

 

m444: rate:8 Hz 2048s Up

Montag, 23. März 2020

17:29

Angle of sensor θ

+45

Temp

Ended @ 11 K (INSTABLE)

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at -.3T. sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

50 μV

5 V

f

113 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

 2048 sec for each field

Data files

 in Folder NewMeasurements2020\m444\*

Machine generated alternative text: m444: Noise PSD Rate Length=2048s nofSpectra: 64 10 x 10 x 10 x 10 10 15 10 2.00 1.75 1.50 1.25 1.00 0.75 —0.100 —0.0256 —0.0258 —0.0260 —0.0262 Fit —0.050 —0.025 0.000 Timesignal (Bext 6 4 3 10 6 x 10 15 16 16 16 13 —0.075 250 0.025 0.050 = 0.00 T) 500 750 0.075 1750 0.100 2000 0.01 0.00 —0.01 —0.02 —0.03 —0.100 —0.100 —0.100 —0.075 —0.075 —0.075 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100 1000 Time 1250 1500

 

Noise Hysteresis (443/444)

Temperature Sweep from 30K -> 10K (to save Helium)

Mittwoch, 22. April 2020

11:26

 

Violin Plot (0.01 -> 0.05)

Mittwoch, 22. April 2020

15:07

 

Info 2

Mittwoch, 22. April 2020

14:33

 

Second Spectrum

Mittwoch, 22. April 2020

14:34

 

Machine generated alternative text: -0.0050 -0.0075 = 40.0 mT -0.0100 -0.0125 -0.0150 -0.0175 -0.0200 -0.0225 -0.0250 500 m444: Time Signal 1000 1500 Hext = 10.0 Hext = 15.0 Hext = 20.0 = 25.0 Hext = 30.0 Hext 2000

 

 

m445: rate:2 Hz ERROR

Freitag, 27. März 2020

13:58

Angle of sensor θ

+45

Temp

10 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at -.3T. sweeping from 100mT → -100mT

measuring every 5mT steps (21 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

50 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 2 Hz

Period of measurement  (min)

 2048 sec for each field

Data files

 in Folder NewMeasurements2020\m445\*

 

Program did not measure the full time! It crashed always too early!

 

Unable to evaluate data!

 

 

m446: rate:8 Hz 2048s Down (15K)

Freitag, 27. März 2020

13:59

Angle of sensor θ

+45

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.3T sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

50 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Data files

 in Folder NewMeasurements2020\m446\*

Machine generated alternative text: m 446 : Noise PSD Rate Length=2048s nofSpectra: 64 10 2 x 10 10 10 x 10 x 10 x 10 x 10 13 14 15 10 2.0 1.5 1.0 —0.100 0.0014 0.0012 0.0010 0.0008 6 4 3 2 10 10 15 15 16 —0.100 13 13 13 13 —0.100 —0.075 250 —0.050 —0.025 0.000 Timesignal (Bext 0.025 0.050 = 0.00 T) 500 750 0.075 1750 0.100 2000 —0.075 —0.075 —0.075 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100 1000 Time 1250 1500 0.02 0.01 0.00 —0.01 —0.02 —0.03 —0.100

 

Violin Plot (-.015 -> .015)

Donnerstag, 16. April 2020

17:48

 

 

Second Spectrum

Dienstag, 21. April 2020

18:03

 

 

 

m447: rate:8 Hz 2048s Up (15K)

Freitag, 27. März 2020

14:01

Angle of sensor θ

+45

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.3T sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

50 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Data files

 in Folder NewMeasurements2020\m447\*

 

 

 

 

Machine generated alternative text: m 447 : Rate Length=2048s nofSpectra: 64 10 10 14 15 10 —0.100 250 Noise PSD Fit —0.025 0.ooo 0.025 2 x 10 2 x 10 10 15 15 13 13 1.4 1.2 1.0 0.8 ¯ 0.0244 —0.0246 —0.0248 —0.0250 —0.075 500 —0.050 Timesignal (Bext = 0.00 T) 750 0.050 1750 0.075 2000 0.02 0.01 0.00 —0.01 —0.02 —0.03 —0.100 —0.100 —0.100 —0.075 —0.075 —0.075 —0.050 —0.050 —0.050 Noise Fit at 1 Hz —0.025 0.ooo Noise Sum —0.025 0.ooo Hysteresis Loop —0.025 0.ooo 0.025 0.025 0.025 0.050 0.050 0.050 0.075 0.075 0.075 1000 Time 1250 1500

 

Violin Plot (.015 -> .045)

Mittwoch, 22. April 2020

15:23

 

 

Noise Hysteresis (446/447)

Mittwoch, 22. April 2020

15:22

 

Second Spectrum

Mittwoch, 22. April 2020

15:26

 

 

m448: rate:4 Hz 2048s Down (15K)

Dienstag, 31. März 2020

15:30

Angle of sensor θ

+45

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.3T sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

50 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 4 Hz

Period of measurement  (min)

2048 sec for each field

Data files

 in Folder NewMeasurements2020\m448\*

Machine generated alternative text: m 448 : Rate Noise PSD 2 x 10 Length=2048s nofSpectra: 64 15 15 — 3 x 10 15 Noise Fit at 1 Hz 14 10 10 1.2 1.0 0.8 0.6 0.4 —0.100 0.0020 0.0018 — 0.0016 0.0014 0.0012 3 x 10 13 2 x 10 13 10 6 x 10 —0.100 —0.100 —0.075 250 —0.050 —0.025 0.000 Timesignal (Bext 0.025 0.050 = 0.00 T) 500 750 0.075 1750 0.100 2000 —0.075 —0.075 —0.075 —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100 1000 Time 1250 1500 0.02 0.01 0.00 —0.01 —0.02 —0.03 —0.100

 

 

m449: rate:4 Hz 2048s Up (15K)

Dienstag, 31. März 2020

15:30

Angle of sensor θ

+45

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.3T sweeping from -100mT → 100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

50 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 4 Hz

Period of measurement  (min)

2048 sec for each field

Data files

 in Folder NewMeasurements2020\m446\*

 

 

 

 

Machine generated alternative text: m 449 : — 4 x 10 10 x 10 x 10 10 —0.100 1.4 1.2 1.0 0.8 x 10 —0.100 —0.100 —0.0260 —0.0265 —0.0270 —0.0275 250 —0.100 Rate 0.050 1750 Length=2048s nofSpectra: 64 Noise PSD 4 0.075 2000 3 x 10 2 x 10 10 2 x 10 10 6 15 15 15 —0.075 —0.050 2 x 10 Fit o.ooo —0.025 3 0.025 15 13 13 Timesignal (Bext = 0.00 T) —0.075 —0.075 —0.075 —0.050 —0.050 —0.050 Noise Fit at 1 Hz o.ooo —0.025 Noise Sum o.ooo —0.025 Hysteresis Loop 0.01 0.00 —0.01 —0.02 —0.03 500 750 0.025 0.025 0.025 0.050 0.050 0.050 0.075 0.075 0.075 1000 Time 1250 1500 —0.025 Hext o.ooo T]

 

Noise Hysteresis (448/449)

Mittwoch, 22. April 2020

15:43

 

 

m450:  EMPTY rate:8 Hz 1024s Down (15K)

Dienstag, 31. März 2020

15:30

Angle of sensor θ

+45

Temp

15 K

Empty Cross #2

10-5

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.3T sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

500 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Comment

After Filling Helium measured high signal! Changed Sensitivity to 500 μV

Machine generated alternative text: m450: Noise PSD Fit Rate 0.075 Length=1024s nofSpectra: 64 13 10 10 10 2.0 1.8 1.6 d 1.4 1.2 1.0 0.8 —0.100 —0.0015 —0.0016 —0.0017 —0.0018 —0.0019 —0.0020 6 4 3 2 x 10 x 10 x 10 x 10 15 15 15 15 —0.100 —0.075 200 —0.050 —0.025 Timesignal o.ooo 0.025 0.050 (Beat ¯ — 0.00 mT) 600 800 0.100 1000 12 10 13 10 —0.100 0.02 0.01 0.00 —0.01 —0.02 —0.100 —0.075 —0.075 —0.075 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100 Time

 

Contour Plot Info

Machine generated alternative text: m450: Rate=8Hz, Length Noise PSD ¯ 13 4 x 10 3X10 10¯14 2X10 2X10 -1024.os Noise PSD 3 X SIO 400 600 Time [s] a x 10 800 6X10 0.100 —100 -13 —50 Noise 2.0 1.5 1.0 0.5 0.4 0.3 0.2 o 10 10-15 100 et98B 0.050 0.075 0.100 0.075 1000 10 -15 200 0.02 0.01 0.00 _0.01 _0.02 —0.100-0.075-0.050-0.025 0.ooo 0.025 0.050 0.075 0.100 u OH ext [T]

Samstag, 16. Mai 2020

19:13

 

 

m451:  EMPTY rate:8 Hz 1024s Up (15K)

Mittwoch, 1. April 2020

14:03

Angle of sensor θ

+45

Temp

15 K

Empty Cross #2

10-5

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.3T sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

13,5

 

1 MΩ

1

1

Sens

500 μV

5 V

f

113 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

1024 sec for each field

Comment

After Filling Helium measured high signal! Changed Sensitivity to 500 μV

Machine generated alternative text: m451: x 10 x 10 x 10 10 x 10 x 10 x 10 x 10 x 10 Noise PSD 2 x 10 Fit Rate 0.075 Length=1024s nofSpectra: 64 10 2.0 1.5 1.0 0.5 —0.100 —0.0021 —0.0022 —0.0023 —0.0024 —0.0025 3 0.025 0.050 = 0.00 mT) 6 4 3 2 6 4 3 10 15 15 15 15 —0.100 13 14 14 —0.100 —0.075 200 —0.050 —0.025 0.000 Timesignal (Bext 0.100 1000 0.02 0.01 0.00 —0.01 —0.02 —0.03 —0.100 —0.075 —0.075 —0.075 Noise Fit at 1 Hz —0.050 —0.025 0.ooo 0.025 Noise Sum —0.050 —0.025 0.ooo 0.025 Hysteresis Loop —0.050 —0.025 0.ooo 0.025 0.050 0.050 0.050 0.075 0.075 0.075 0.100 0.100 0.100 600 Time 800

 

Contour Plot Info

Machine generated alternative text: m451: Rate=4Hz, Length Noise PSD 4 x 10 3X10 10-14 2X10 2X10 1.75 -1024.os slo a x 10-1 —50 Noise PSD Noise 1.50 1.25 1.00 0.75 0.5 0.4 0.3 0.2 o 6X10 0.100 10 6X10 4 x 10 3X10 —100 -13 -14 -14 -14 10-15 100 et98B 0.050 0.075 0.100 200 400 600 800 0.075 1000 10 -15 Time [s] 0.02 0.01 0.00 _0.01 _0.02 _0.03 —0.100-0.075-0.050-0.025 0.ooo 0.025 0.050 0.075 0.100 u OH ext [T]

Samstag, 16. Mai 2020

19:14

 

Noise Hysteresis (Empty Reference)

Mittwoch, 22. April 2020

15:46

 

 

 

Changing Angle (80deg)

Donnerstag, 2. April 2020

15:26

 

Angle of sensor θ

80

 1 

Notes

Voltage before Changing Angle: -17,166 mV

Changing Angle to 0deg to measure new maximum Voltage:
V_Max = - 25,023 mV

 

<<m452_ChangeAngle.dat>>

Aiming for Hall Voltage:

Voltage measured:

 

New Gradiometry Setup for this Angle (Plusses: 13-1): R_12 = 15 kΩ

 

 

m452:  rate:8 Hz 2048s Down (15K)

Dienstag, 7. April 2020

16:26

Angle of sensor θ

+80

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.4T sweeping from 300mT → -300mT

measuring every 15mT steps (41 different steps)

Resistance Box

1 MΩ

15

 

1 MΩ

7

1

Sens

50 μV

5 V

f

17 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

1024 sec for each field

Comment

 

 

Contour Plot Info

Samstag, 16. Mai 2020

19:34

Machine generated alternative text: m452: Noise PSD Rate=8 Hz, Length= 100 1024.os Noise PSD 10—14 10¯15 200 -100 2.2 2.0 1.8 1.6 0.3 PSD = 15.00 mT) 6 x 10 4 x 10 3 x 10 -1 -1 -1 -1 -0.3 -0.2 -0.1 Fit YI-Bbe 600 [s] 100 0.2 1000 -13 -13 10 -14 6 x 10 -0.3 -0.005 -0.010 -0.015 -0.020 -0.3 100 200 Sum 0.1 0.1 800 -0.2 -0.2 -0.1 Time resolved Hysteresis Loop 1.50 1.25 1.00 0.75 0.50 0.25 200 10 -15 -0.1 300 0.2 0.2 10-15 0.3 0.3 400 Time 0.1 uoHext [T]

 

Second Spectrum

Mittwoch, 22. April 2020

15:58

 

 

 

m453:  rate:8 Hz 2048s Up (15K)

Freitag, 10. April 2020

10:41

Angle of sensor θ

+80

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at -0.5T sweeping from -300mT → 300mT

measuring every 15mT steps (41 different steps)

Resistance Box

1 MΩ

15

 

1 MΩ

7

1

Sens

50 μV

5 V

f

17 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

1024 sec for each field

Comment

 

Machine generated alternative text: m453: Noise PSD Rate Length=1024s nofSpectra: 64 10 1.6 1.4 d 1.2 1.0 0.8 —0.0036 —0.0038 —0.0040 —0.0042 10 2 x 10 3 x 10 x 10 x 10 x 10 x 10 x 10 4 x 10 0.1 3 2 2 6 4 15 15 15 13 13 Noise Fit at 1 Hz 0.1 Noise Sum 0.1 Hysteresis Loop 200 Fit Timesignal (Bext Time 6 0.2 800 10 x 10 x 10 = 0.00 mT) 600 0.3 1000 o.ooo —0.005 —0.1 —0.1 0.2 0.2 0.2 0.3 0.3 0.3 Hext 0.1 T]

 

Contour Plot Info

Samstag, 16. Mai 2020

19:34

Machine generated alternative text: 1024.os Noise PSD 10—14 (f) 10¯15 2.2 2.0 1.8 1.6 0.3 m453: 100 0.2 Rate=8 Hz, Length= 100 Fit YI-Bbe Noise PSD 100 200 Sum -0.2 -0.1 -1 6 x 10 -1 4 x 10 -1 3 x 10 -1 -13 -13 10 -14 6 x 10 o.ooo -0.005 -0.010 -0.015 -200 -100 -0.2 0.1 (Bext= - 15.00 mT) -0.1 0.1 Time resolved PSD Hysteresis Loop 1.50 1.25 1.00 0.75 0.50 0.25 200 10 -15 300 0.2 0.2 10-15 0.3 0.3 400 Time 600 [s] 800 1000 -0.2 -0.1 0.1 uoHext [T]

 

Second Spectrum

Mittwoch, 22. April 2020

16:07

 

Noise Hysteresis

Mittwoch, 22. April 2020

16:04

 

 

m454:  rate:8 Hz 2048s Down (15K)

Freitag, 10. April 2020

10:51

Angle of sensor θ

+80

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.5T sweeping from 100mT → 100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

15

 

1 MΩ

7

1

Sens

50 μV

5 V

f

17 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Comment

 

 

 

 

 

 

 

Machine generated alternative text: Rate Length=1920s nofSpectra: 64 10 1.0 0.9 0.8 0.7 0.6 0.5 0.0010 0.0005 o.oooo —0.0005 —0.0010 —0.0015 10 0.00 250 Noise PSD 3 x 10 Fit 0.04 Noise Fit at 1 Hz 2 x 10 0.02 4 x 10 0.06 6 0.08 1500 3 x 10 2 x 10 x 10 10 0.10 15 15 0.00 13 0.00 0.02 0.02 0.02 0.04 Noise Sum 0.04 0.06 0.06 Timesignal (Bext = 0.00 mT) Hysteresis Loop 500 750 0.08 0.08 0.08 0.10 0.10 0.10 1000 Time 1250 1750 0.002 0.001 o.ooo —0.001 —0.002 0.00 0.04 Hext 0.06 T]

 

Error Measurement Length

Mittwoch, 22. April 2020

15:37

 

 

m455:  rate:8 Hz 2048s Up (15K)

Freitag, 10. April 2020

10:52

Angle of sensor θ

+80

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at -0.5T sweeping from -150mT → 150mT

measuring every 5mT steps (61 different steps)

Resistance Box

1 MΩ

15

 

1 MΩ

7

1

Sens

50 μV

5 V

f

17 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Comment

 

Machine generated alternative text: Rate 10 13 10 Noise PSD 3 x 10 m455: 6 Length=1920s nofSpectra: 64 Noise Fit at 1 Hz —0.10 0.10 x 10 x 10 x 10 x 10 —0.15 —0.10 x 10 x 10 x 10 —0.15 —0.10 —0.15 —0.10 II 2 x 10 —0.05 4 3 2 4 3 2 1.75 1.50 d 1.25 1.00 0.75 0.50 —0.15 —0.022 —0.023 —0.024 —0.025 —0.026 Fit 0.00 (Bext = 1000 Time 10 15 15 15 13 13 13 13 0.15 1750 —0.05 —0.05 —0.05 0.00 Noise Sum 0.00 Hysteresis Loop 0.05 0.05 Timesignal 500 750 0.05 10.00 mT) 1250 —0.005 —0.010 —0.015 —0.020 —0.025 250 1500 0.10 0.10 0.10 0.15 0.15 0.15 0.00 Hext 0.05 T]

 

 

m456:  rate:8 Hz multiple 2048s at 0 T

Freitag, 10. April 2020

10:53

Angle of sensor θ

+80

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

Turn off magnet to save helium. Measuring while warming up.

Resistance Box

1 MΩ

15

 

1 MΩ

7

1

Sens

50 μV

5 V

f

17 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each file times 61 Files = around 35 Hours!!!

Slope (alpha):        0.742
Intercept:        2.8610e-15
Sum of Noise:        3.0521e-11

 

Histogram (Gaussian Data)

Dienstag, 21. April 2020

15:49

 

Second Spectrum

Mittwoch, 22. April 2020

16:46

 

 

Analysis

Sonntag, 17. Mai 2020

14:01

 

45deg Plusses

Dienstag, 19. Mai 2020

15:34

 

8 Hz

Machine generated alternative text: 0 = 17 Hz; T = 301< 100 6 x 10¯1 4 x 10—1 -200 150 -100 -150 -100 m430: -50 Down Sweep 45 0 150 200 m431: -50 Up Sweep 7.74e-16 6.52e-16 5.49e-16 4.63e-16 3.90e-16 3.29e-16 2.77e-16 2.33e-16 1.97e-16 1.66e-16 o 50 100 o 50 100 150

Sonntag, 17. Mai 2020

14:01

 

Machine generated alternative text: 0 = 113Hz; T = 151< Down Sweep 100 10-1 -100 -75 50 45 0 75 m447: Up Sweep 3.58e-15 2.41e-15 1.62e-15 1.09e-15 7.36e-16 4.95e-16 3.34e-16 2.25e-16 1.51e-16 1.02e-16 -50 -25 o 25 100 -100 -80 -60 -20 o 20 40 60 80

 

32 Hz

Dienstag, 19. Mai 2020

15:36

 

Machine generated alternative text: 45 0 0 = 113Hz; T = 301< Up Sweep 100 6 x 10¯1 4 x 10—1 -100 -75 -50 -25 441 : -25 Down Sweep o 25 2.41e-15 2.18e-15 1.97e-15 1.79e-15 1.62e-15 1.46e-15 1.32e-15 1.20e-15 1.08e-15 9.81e-16 o 25 50 75 100 -100 -75 -50 50 75 100

 

Empty Background 45deg (450/451)

Dienstag, 19. Mai 2020

09:51

 

Machine generated alternative text: 0 = 113Hz; T = 151< Down Sweep 4 x 10—1 3 X 10¯1 2 x 10-1 -100 -75 -50 m450: -25 o 25 50 45 0 75 100 -100 -75 -50 m451: -25 Up Sweep o 25 50 75 1.58e-14 1.27e-14 1.03e-14 8.29e-15 6.69e-15 5.40e-15 4.36e-15 3.52e-15 2.84e-15 2.29e-15 100

 

80deg wide sweep (452/453)

Dienstag, 19. Mai 2020

09:50

Machine generated alternative text: 0 = 17 Hz; T = 100 6 x 10¯1 4 x 10—1 3 X 10¯1 2 x 10-1 -300 -200 m452: -100 Down Sweep 100 200 300 -200 m453: -100 Up Sweep 100 200 3.10e-15 2.28e-15 1.68e-15 1.24e-15 9.09e-16 6.69e-16 4.92e-16 3.62e-16 2.66e-16 1.96e-16 300

 

 

m458:  rate:8 Hz 2048s Down (15K)

Samstag, 20. Juni 2020

13:14

Angle of sensor θ

+80

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.4T sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

15

 

1 MΩ

7

1

Sens

100 μV

5 V

f

17 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Comment

 

 

 

m459:  rate:8 Hz 2048s Up (15K)

Samstag, 20. Juni 2020

13:14

Angle of sensor θ

+80

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.4T sweeping from 100mT → -100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

15

 

1 MΩ

7

1

Sens

100 μV

5 V

f

17 Hz

τ

100 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Comment

 

 

 

m460:  rate:8 Hz 2048s Down (15K)

Samstag, 27. Juni 2020

12:00

Angle of sensor θ

+80

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.5T sweeping from 100mT → 100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

15

 

1 MΩ

7

1

Sens

100 μV

5 V

f

17 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Comment

 

 

 

m461:  rate:8 Hz 2048s Up (15K)

Samstag, 27. Juni 2020

12:00

Angle of sensor θ

+80

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.5T sweeping from 100mT → 100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

15

 

1 MΩ

7

1

Sens

100 μV

5 V

f

17 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Comment

 

 

 

m462:  rate:8 Hz 2048s Down (15K)

Samstag, 27. Juni 2020

12:00

Angle of sensor θ

+80

Temp

15 K

Plusses

13-1

6-8

Gate (0V)

9 - 4

7 - 14 (No Preamp)

 

Saturating at 0.5T sweeping from 100mT → 100mT

measuring every 5mT steps (41 different steps)

Resistance Box

1 MΩ

15

 

1 MΩ

7

1

Sens

100 μV

5 V

f

17 Hz

τ

30 ms

Input A

AC

Ground

Normal Reserve

DAQ settings:  Rate: 8 Hz

Period of measurement  (min)

2048 sec for each field

Comment