status of the bmbf project · cryo detector lab ccc project meeting 25 thand 26 june 2018 volker...

Status of the BMBF project

CCC Project Meeting 25th and 26th June 2018 Volker Tympel (HI-Jena) CERN Geneva

BMBF- Joint Project 05P2018 – R&D BESCHLEUNIGER (DIAGNOSE)

July 2018 – June 2021

(1) 05P18SJRB1 (2.5 FTE) Prof. T. Stöhlker / Prof. Schmidl

„Innovative Kryo-Stromkomparatoren (CCC) für FAIR”

(2) 05P18RDRB1 (0.5 FTE) Prof. H. De Gersem

„Quenchsimulation für Supraleitende Magnete “

Associated partners: GSI Darmstadt, CERN Genf

(3) Uni Frankfurt

(4) Uni Mainz

Interim report 2018/III&IV + 2019/I&II

Status BMBF 2019/II Milestone 1

M1

return

stop

forward

parties agree to

continue with the

project as foreseen


Arbeitsplan 2 0 1 8 2 0 1 9

III IV I II III

Meilensteine J A S O N D J F M A M J J A

M1 Designphase abgeschlosseno

M2 Inbetriebnahme Laborteststand

M3 Herstellung und Labortests der

Demonstratoren abgeschlossen

M4 Strahltests des CCC-Komplett-

systems abgeschl. u. dokumentiert

M1: design phase completed

Milestone 1 Task 1

1.1.1 Geometry & Adaptation: on time


AP1 Steigerung der Leistungsfähigkeit der Kryo-Stromkomparatoren (Prof. Schmidl)

AP1.1 Kern-Verbesserungen,

neue Materialien

AP1.1.1 Geometrie und

Anpassung

AP1.1.2 Kernlos Geometrie

AP1.2 Verbesserung Slew

rate / Dynamik

AP1.3 Verbesserung

Schirmfaktor

AP1.4 Referenzsensoren

AP1.5 Signalaufbereitung

M1

Milestone 1 Task 2


AP2 Entwicklung eines robusten Demonstrators (Prof. Stöhlker)

AP2.1 Kostengünstige SL-

Technologie

AP2.2 robuste Auslese

AP2.3 Simul. Mechanik,

Schwingungsunterdrückung

AP2.4 Ausbau UHV-Fähigkeit

AP2.5 Optimierung /

Entstörung Rückverflüssiger

M1

2.1 Inexpensive sc-technology: on time

AP3 Durchführung von Testmessungen (Prof. Schmidl + Prof. Stöhlker)

AP3.1 Aufbau CCC-System-

Testplatz

AP3.2 Einbau Kryostat

AP3.3 Optimierung Kryostat

und CCC

AP3.4 Testmessungen

AP3.5 Analyse der Daten

Milestone 1 Task 3


M1

3.2 Installation CCC in cryostat: not on timenot part of M1: „design phase completed“

Publications


Status BMBF 2019/II

1x Paper (IPHT)

IBIC 2018


2x Poster +

proceedings

(GSI, FSU)

Status BMBF 2019/II

PublicationsWorkshop 'Kryoelektronische Bauelemente 2018' (Kryo 2018), Kloster Schöntal


Status BMBF 2019/II

2x Poster

(HI-Jena, FSU-Jena)

IPAC 2019


1x Talk + proceedings

1x Poster + proceedings

Status BMBF 2019/II

PublicationsMT Meeting 2018 Berlin & 2019 Jena


1x Poster & speed talk (HI-Jena) 2x Poster (HI-Jena, FSU-Jena)

3x Lab tour (Cryo Detector Lab)

Status BMBF 2019/II

Proposal


Status Helmholtz-DDL

Start: MT Meeting June 2018, Berlin

Helmholtz Distributed Detector Laboratory (DDL)

Proposal for a large investment (> EUR 15 million)

Now: Proposal ready, supported by GSI management

Jena (HI-Jena, FSU-Jena, Leibniz-IPHT) < 5 EUR million

located at FSU-Jena: Cryo Detector Lab

Cryo Detector Lab



Cryogenic service

TiefTemperaturService

annual production is over 60,000 liters LHe

Magnetically & acoustically

shielded chamber

LHe-wide-neck bath cryostat (380 mm max. sample diameter) with a

dual-diaphragm condenser microphone (2 Hz – 20 kHz) in the

acoustically and magnetically shielded chamber at the Institute of

Solid State Physics (IFK).

Cryo Detector Lab



Cryogenic x-ray spectrometer imaging– SQUID-based Metallic Magnetic Calorimeter

– coming up, Helmholtzweg 5, Room K010

[SPARC Technical Design Report 2014, A. Fleischmann]

CCCs– Helmholtzweg 5, Room K021, TTS

– in progress

Cryo Detector Lab



PurchasedAntivibration

up to 800 kg loadMagnetic field room

generation /

compensation

Superfluidity

Strong He-pump, 65 m3/h

Rapid CCC prototyping


Measurements with dummy Pb-Core-CCCs

Core GSI328plus GSI328plus Mf106

Measurementsdummy Pb-CCC


Measurements:

- Current noise desity

* White noise 1 kHz - 10 kHz

* Low Frequency 50 mHz – 1 Hz

* Long time jumps

- Thermal drifts

- Slew rate

- Small pulses

- Transfer function

meander skipping

GSI-Nb-CCC-XD vs. dummy-Pb-CCC-XD-3b


Full GSI328 plus core (3 bands)1 pickup coil, 80 µH @ 4.2 K, 1 kHz

Measurements:




* Long time jumps

- Thermal drifts

- Slew rate

- Small pulses

- Transfer function

dummy Pb-CCC Measurements

meander skipping

GSI-Nb-CCC-XD vs. dummy-Pb-CCC-XD-3b


Measurements:




* Long time jumps

- Thermal drifts

- Slew rate

- Small pulses

- Transfer function

100m 1 10 100 1k 10k 100k 1M

100f

1p

10p

100p

1n

Cu

rre

nt

no

ise

de

nsity (

A/

Hz)

Frequency (Hz)

Dummy-Pb-CCC-XD direct version

GSI-Nb-CCC-XD balanced version

dummy Pb-CCC Measurements

dummy-Pb-CCC-XD-3b


100m 1 10 100 1k 10k 100k

1p

10p

100p

1n

Curr

ent nois

e d

ensity (

A/

Hz)

Frequency (Hz)

49,0 49,2 49,4 49,6 49,8 50,0 50,2 50,4

1p

10p

100p

1n

Curr

ent nois

e d

ensity (

A/

Hz)

Frequency (Hz)

Current noise density

Measurements

GSI328plus core: 3 bands vs. 1 band

Making


dummy-Pb-CCC-XD-1b

GSI328plus core 1 band: dummy-Pb-CCC-XD-1band


1 core band shielded dummy Pb-CCCPickup coil

dummy-Pb-CCC-XD-1b Making

dummy-Pb-CCC-XD-3b vs. dummy-Pb-CCC-XD-1b


Measurements:




* Long time jumps

- Thermal drifts

- Slew rate

- Small pulses

- Transfer function

100m 1 10 100 1k 10k 100k

1p

10p

100p

1n

Cu

rre

nt

no

ise

de

nsity (

A/

Hz)

Frequency (Hz)

1/3 GSI328plus

3/3 GSI328plus

dummy-Pb-CCC-XD Measurements

dummy-Pb-CCC-XD-3/3 vs. dummy-Pb-CCC-XD-1/3


Measurements:




* Long time jumps

- Thermal drifts

- Slew rate

- Small pulses

- Transfer function

2k 4k 6k 8k 10k

2,0p

2,5p

3,0p

3,5p

4,0p

4,5p

5,0p

5,5p

6,0p

Cu

rre

nt

no

ise

de

nsity (

A/

Hz)

Frequency (Hz)

1/3 GSI328plus

3/3 GSI328plus

x 1.7 (≈√3)


SPICE Simulation


dummy-Pb-CCC-XD-3b vs. dummy-Pb-CCC-XD-1b

1 A 0.99 A0.97 A

27 µH 27 µH

dummy-Pb-CCC-XD


Pb-CCC-XD-3c

1 A 2.7 A

80 µH 9 µH => Max Stapelfeld

Predicted white noise:

3 pA / 2.7 => 1.1 pA/√Hz

dummy-Pb-CCC-XD SPICE Simulation

dummy-Pb-CCC-XD-1b


Measurements:




* Long time jumps

- Thermal drifts

- Slew rate

- Small pulses

- Transfer function

0 60 120 180 240 300 360

-1µ

-900n

-800n

-700n

-600n

-500n

-400n

-300n

-200n

-100n

0

100n

200n

Cu

rre

nt

(A)

Time (min)

day 3 (Fri 15:00)

day 5 (Sun 06:00)

day 6 (Mon 15:00) + Grd + Ferrite

day 7 (Tue 16:00) + Grd + 2xFerrite

Sheath current filter !


Sheath current filter


Power supply SQUID signal


Long time jumps


CERN-Nb-CCC

before low passing

100m 1 10 100 1k 10k 100k 1M

100f

1p

10p

100p

1n

Cu

rre

nt

no

ise

de

nsity (

A/

Hz)

Frequency (Hz)

Dummy-Pb-CCC-XD direct version

GSI-Nb-CCC-XD balanced version

GSI-Nb-CCC-DX

0.1 1 Hz

500 80 450 150 pA/√Hz

500 pA/√Hz @ 100 mHz

0.1 1 Hz

Nb-CCCs Measurements

other core materialRapid prototyping


Manifer 106

Initial permeability: 2 000

Mf 106 sample: Ferritkern RK

(120x70x30) mm, AL 5.6 µH

MnaZn(1-a)Fe2O4

70 mm

Manganese-zinc ferrite

100m 1 10 100 1k 10k 100k 1M

1p

10p

100p

1n

10n

100n

dummy Mf106-CCC

Input curr

ent density (

Arm

s/

Hz)

Frequency (Hz)

Current noise density

dummy Pb-CCC-Mf106


100m 1 10 100 1k 10k 100k 1M

1p

10p

100p

1n

10n

100n

dummy Mf106-CCC

GSI-Nb-CCC-XD

Inpu

t cu

rren

t d

en

sity (

Arm

s/

Hz)

Frequency (Hz)

100x

10x

Mf106 core + 1 µH SQUID

Measurements

10 100 1k 10k 100k 1M

10n

100n

1µ

10µ

One-t

urn

loop inducta

nce L

s (

H)

Frequency (Hz)

300K

4.2 K

Inductance Ls=f(frequency)


1/60

Mf106 core + 6 turns

Measurementsdummy Pb-CCC-Mf106


50 100 150 200 250 300

0,0

1,0µ

2,0µ

3,0µ

4,0µ

5,0µ

6,0µ

One-t

urn

loop inducta

nce L

s (

H)

Temperature (K)

100 Hz

1 kHz

10 kHz

100 kHz

200 kHz

Mf106 core + 6 turns

dummy Pb-CCC-Mf106

Inductance Ls=f(temperature)

Measurements


50 100 150 200 250 300

0,0

1,0µ

2,0µ

3,0µ

4,0µ

5,0µ

6,0µ

One-t

urn

loop inducta

nce L

s (

H)

Temperature (K)

100 Hz

1 kHz

10 kHz

100 kHz

200 kHz

10 100

0,0

1,0µ

2,0µ

3,0µ

4,0µ

5,0µ

6,0µ

One-t

urn

loop inducta

nce L

s (

H)

Temperature (K)

100 Hz

1 kHz

10 kHz

100 kHz

200 kHz

dummy Pb-CCC-Mf106 Measurements



10 100

0,0

1,0µ

2,0µ

3,0µ

4,0µ

5,0µ

6,0µ

One-t

urn

loop inducta

nce L

s (

H)

Temperature (K)

100 Hz

1 kHz

10 kHz

100 kHz

200 kHz

10 100

100n

1µ

10µ

One-t

urn

loop inducta

nce L

s (

H)

Temperature (K)

100 Hz

1 kHz

10 kHz

100 kHz

200 kHz




10 100

100n

1µ

10µ

One-t

urn

loop inducta

nce L

s (

H)

Temperature (K)

100 Hz

1 kHz

10 kHz

100 kHz

200 kHz

10 100

100µ

1m

10m

100m

1

One-t

urn

loop r

ests

tance R

s (W

)

Temperature (K)

100 Hz

1 kHz

10 kHz

100 kHz

200 kHz


Inductance Ls=f(temperature) Resistance Ls=f(temperature)


Small inductance

1 A 0.09 A

100 nH 100 nH

Mismatch => insensitivity

dummy Pb-CCC-Mf106 SPICE Simulation


1 A 0.75 A

300 nH 300 nH 100 nH

=> Factor 8.3x (+ √3x noise reduction)

dummy Pb-CCC-Mf106

Small inductance

SPICE Simulation

100m 1 10 100 1k 10k 100k 1M

1p

10p

100p

1n

10n

100n

dummy Mf106-CCC

GSI-Nb-CCC-XD

Input curr

ent density (

Arm

s/

Hz)

Frequency (Hz)


10x

3x Mf106 cores + 100 nH SQUID

Only prediction,

was not measured yet!

OK

dummy Pb-CCC-Mf106

Small inductance

SPICE Simulation

Pulse


Mf106 cores + 1 µH SQUID

GBP: 7.2 GHz

1µs-pulse: 400 nApp

-1,0µ -500,0n 0,0 500,0n 1,0µ 1,5µ 2,0µ

-400n

-200n

0

200n

400n

Cu

rre

nt

(A)

Time (s)

CCC

Input

Delay: 100 ns

Time-resolution: 100 ns




GBP: 0.55 GHz

25 s-pulse: 1.6 µApp

Creeping approach: 25 s

Transfer function

below 1 Hz ?

-5 0 5 10 15 20 25 30

-0,8

-0,6

-0,4

-0,2

0,0

0,2

0,4

0,6

0,8

Time (s)

Calib

ration c

oil

curr

ent (µ

A)

-300

-200

-100

0

100

200

300

Raw

SQ

UID

sig

nal (m

V)


Pulse

Transfer function



GBP: 7.2 GHz

10m 100m 1 10 100 1k 10k 100k 1M

50

100

150

200

250

300

350

Input sensitiv

ity (

mV

/µA

)

Frequency (Hz)

@ 4 K more time is necessery to

change the magnetic order of Mf106

(typical range 10 s)

CCC => Signal deconvolution!



GSI-Nb-CCC-XD

GBP: 0.23 GHz

-5 0 5 10 15 20 25 30

-0,8

-0,6

-0,4

-0,2

0,0

0,2

0,4

0,6

0,8

Time (s)

Calib

ration c

oil

curr

ent (µ

A)

-300

-200

-100

0

100

200

300

Raw

SQ

UID

sig

nal (m

V)

-100 -50 0 50 100 150 200 250 300 350 400

-4

-2

0

2

4

6

8

10

12

GS

I-N

b-C

CC

-XD

cu

rre

nt

(nA

)

Time (µs)

measured, CCC output

test signal, CCC input


Pulse

Squid it !

Short summary


1. Dummy CCCs without meander can be useful.

2. Other core materials – other problems.


100m 1 10 100 1k 10k 100k 1M

100f

1p

10p

100p

1n

10n

Curr

ent nois

e d

ensi

ty (

Arm

s/H

z)

Frequency (Hz)

Pb-4C-XD DT100+HP100k+HP5M

Nb-CCC-XD magnetic shielded chamber 1.8 GHz

Pb-4C Measurements


-200µ -100µ 0 100µ 200µ 300µ 400µ

-50n

0

50n

100n

150n

200n

Cu

rre

nt

(A)

Time (s)

CCC

Input

Pb-4C Measurements


-200µ -100µ 0 100µ 200µ 300µ 400µ

0

5n

10n

15n

20n

Cu

rre

nt

(A)

Time (s)

measured CCC input current

current through the CCC

Pb-4C Measurements


dummy Pb-CCC-XD-3c SPICE Simulation


Pb-CCC-XD-3c SPICE Simulation

Meander: Cm=250 nF



Meander: Cm=500 nF



1 kHz Low pass (10 turns + 20 µF + 5Ω)

status of the bmbf project · cryo detector lab ccc project meeting 25 thand 26 june 2018 volker...

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