New Configuration and Results with the LPSC Charge...
Transcript of New Configuration and Results with the LPSC Charge...
![Page 1: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/1.jpg)
New Configuration and Results with the LPSC Charge Breeder
Experimental setupLight and heavy ions charge breeding
Booster ‘improvements’14 GHz results with the new configuration
18 GHz resultsPreliminary 14+18 GHz frequency mixing
Thierry Lamy, Julien Angot, Christian Fourel, Thomas Thuillier
Laboratoire de Physique Subatomique et de CosmologieCNRS-IN2P3/UJF/INP Grenoble
![Page 2: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/2.jpg)
Experimental setup (1)New Configuration and Results with the LPSC Charge Breeder
H-V Emittancemeters
![Page 3: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/3.jpg)
Allison type 1+ and n+ Emittancemeters
Example natural Kr1+ isotopesDelivered by the 2.45 GHz Monobob source
(GANIL-SPIRAL2)
New Configuration and Results with the LPSC Charge BreederExperimental setup (2)
![Page 4: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/4.jpg)
New Configuration and Results with the LPSC Charge BreederExperimental setup (3)
![Page 5: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/5.jpg)
New Configuration and Results with the LPSC Charge BreederExperimental setup (4)
1+ BeamFrom TIS
n+ Beamto acceleration
Well known ECRtechnologysimplicityCw or pulsedoperation
SIMION 3D Calculations
ECR Plasma capture andIonization
DecelerationOpticaladaptation
![Page 6: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/6.jpg)
New Configuration and Results with the LPSC Charge BreederExperimental setup (5)
0,0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
1,0
-60 -50 -40 -30 -20 -10 0 10 20 30
DV (volts)
Capturevs DV
Ar8+ Rb15+ Zn11+ Sn22+
The potential difference between the 1+ and the n+ sources permit the capture
![Page 7: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/7.jpg)
New Configuration and Results with the LPSC Charge BreederLight and heavy ions charge breeding (1)
Thermoionization source
1+ beam line
![Page 8: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/8.jpg)
17O3+, 34S6+, 68Zn12+,85Rb15+…17O3+, 34S6+, 68Zn12+…
85Rb15+ (+ O2 gas) 3.6 % 70 ms, (We had before, 5 %, 225 ms)
The tuning of the boostermay depend on the isotopehalf life
74Rb 64.9 ms82Rb 1.273 m
Rb1+ spectrumRubidium
87Rb1+85Rb1+
85Rb1+ X emittance
85Rb15+ X emittance
New Configuration and Results with the LPSC Charge BreederLight and heavy ions charge breeding (2)
10 eV
![Page 9: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/9.jpg)
Na+
NaO+
Y
Y’
New Configuration and Results with the LPSC Charge BreederLight and heavy ions charge breeding (3)
Sodium beam
23Na6+ (+ He gas) 1.9 % 50 ms
![Page 10: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/10.jpg)
14 GHz
200 W
300 W
400 W
500 W
600 W
New Configuration and Results with the LPSC Charge Breeder
V curves versus RF Power
Light and heavy ions charge breeding (4)
![Page 11: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/11.jpg)
Na3+
Na6+
Na7+
Na8+
New Configuration and Results with the LPSC Charge BreederLight and heavy ions charge breeding (5)
![Page 12: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/12.jpg)
Magnetic nose
Booster ‘improvements’New Configuration and Results with the LPSC Charge Breeder
![Page 13: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/13.jpg)
EvacuationAdmission
New double frequency plasma chamberCooling between inner and outer cylinderIR camera: FLIR Thermacam E45
Plasma chamber fully cooled down in 25 ms
Cooling tests of the double frequency plasma chamber
New Configuration and Results with the LPSC Charge Breeder
![Page 14: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/14.jpg)
Booster Body(grounded)
Central insulator, e = 3mm(2 parts) 60 kV: OK
1
2Extraction side
Insertion central insulator 1 Insertion central insulator 1Recouvrement (1et 2): 100 mm
After 10 yearsRemember: central core of the Booster (HT)To be inserted into the insulator
New Configuration and Results with the LPSC Charge BreederBooster ‘improvements’
![Page 15: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/15.jpg)
New Configuration and Results with the LPSC Charge BreederBooster ‘improvements’
A slight demagnetization at theinjection 8 kG on the poles (nominal)
Champ magnétique radial sur les pôles de l'hexapôle du booster
0
1
23
45
6
78
9
0 5 10 15 20 25 30 35Injection Z (cm) Extraction
B(k
G) Pôle 1 0° (-)
Pôle 2 60° (+)Pôle 3 120° (-)
Pôle 4 180° (+)Pôle 5 240° (-)
Pôle 6 300° (+)
Hexapole insertionInto the centralinsulator
Plasma chamber insertionInto the hexapole
Hexapole magnetization check
![Page 16: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/16.jpg)
Booster ‘improvements’New Configuration and Results with the LPSC Charge Breeder
Magnetic plug injection insertion
Booster ready to land !
Efficient and fast worker(Julien not contaminated)6 screws to tighten
Magnetic plug extraction insertion6 screws to tighten
![Page 17: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/17.jpg)
Montage alumine extractionVue nez extraction Montage butée Permaglass
Vue support tube ralentisseurFixation alumine injection Fixation alumine extraction
Booster ‘improvements’New Configuration and Results with the LPSC Charge Breeder
![Page 18: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/18.jpg)
New Configuration and Results with the LPSC Charge BreederPreliminary results
Booster opened many times (high drain current on power supply)
@14 GHz the Eff. Yield 85Rb13+after the modifications 2%
12 V
@ 18 GHz08/31/08
After 1 weekdrying
@18 GHz: Eff. Yield 85Rb13+ 1% (after 1 hour)
![Page 19: New Configuration and Results with the LPSC Charge Breederepaper.kek.jp/ecris08/talks/weco-a01_talk.pdfNew Configuration and Results with the LPSC Charge Breeder Experimental setup](https://reader033.fdocuments.in/reader033/viewer/2022041421/5e1f4c211d01b61a520242d3/html5/thumbnails/19.jpg)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
100 200 300 400 500 600 700
Puissance (W)
Ren
dem
ent
pou
rR
b13
+(%
)
14GHz18GHz50% 14GHz + 50% 18GHz25% 14GHz + 75% 18GHz10% 14GHz + 90% 18GHz
New Configuration and Results with the LPSC Charge Breeder
Initial conditions
1.3 % at best after 3 hours experiment‘slight’ effect of frequency mixingAt least no drama…!
CH1
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-0.10 -0.05 0.00 0.05 0.10 0.15 0.20 0.25 0.30
12 eV
93 ms
Preliminary results