RSI: Conference Proceedings Articles

Development of a versatile multiaperture negative ion source

M. Cavenago, T. Kulevoy, S. Petrenko, G. Serianni, V. Antoni et al.
A 60 kV ion source (9 beamlets of 15 mA each of H) and plasma generators are being developed at Consorzio RFX and INFN-LNL, for their versatility in experimental campaigns and for training. Unlike most experimental sources, the design aimed at continuous operation. Magnetic configuration can achieve ... [Rev. Sci. Instrum. 83, 02A707 (2012)] published Mon Feb 13, 2012.

High-energy metal ion implantation for reduction of surface resistivity of alumina ceramic

V. I. Gushenets, A. G. Nikolaev, E. M. Oks, K. P. Savkin, G. Yu. Yushkov et al.
In this work, the possibility to increase the surface conductivity of ceramic insulators through their treatment with accelerated metal ion beams produced by a MevvaV.Ru vacuum arc source is demonstrated. The increase in surface conductivity is made possible due to experimental conditions in which a ... [Rev. Sci. Instrum. 83, 02B908 (2012)] published Mon Feb 13, 2012.

Numerical simulation of gridded electrostatic lens

G. N. Kropachev, N. N. Alexeev, A. I. Balabin, T. V. Kulevoy, and V. I Nikolaev
Gridded electrostatic lenses are frequently used in extraction systems and low energy ion beam transport line. Typically, for numerical simulation the grid is treated as a metal plate transparent for beam particles. The influence of real grid geometry on the beam dynamics in the gridded lens has bee ... [Rev. Sci. Instrum. 83, 02B907 (2012)] published Mon Feb 13, 2012.

Study on the beam transport from the Bio-Nano ECRIS

T. Uchida, H. Minezaki, K. Oshima, R. Racz, M. Muramatsu et al.
The beam transport of N ion and C ion in the Bio-Nano ECRIS with min-B configuration was investigated based on the ion beam profiles. The N beam could be focused under the low-beam current conditions. Also the C beam could be focused in spite of the large space-charge effect which will lead the dive ... [Rev. Sci. Instrum. 83, 02B713 (2012)] published Mon Feb 13, 2012.

Use of a wire scanner for monitoring residual gas ionization in Soreq Applied Research Accelerator Facility 20 keV/u proton/deuteron low energy beam transport beam line

B. Vainas, I. Eliyahu, L. Weissman, and D. Berkovits
The ion source end of the Soreq Applied Research Accelerator Facility accelerator consists of a proton/deuteron ECR ion source and a low energy beam transport (LEBT) beam line. An observed reduction of the radio frequency quadrupole transmission with increase of the LEBT current prompted additional ... [Rev. Sci. Instrum. 83, 02B712 (2012)] published Mon Feb 13, 2012.

Deuteron injector for Peking University Neutron Imaging Facility project

H. T. Ren, S. X. Peng, P. N. Lu, Q. F. Zhou, Z. X. Yuan et al.
The deuteron injector developed for the PKUNIFTY (Peking University Neutron Imaging Facility) has been installed and commissioned at Peking University (PKU). The injector system must transfer 50 keV 50 mA of D ion beam to the entrance of the 2 MeV radio frequency quadrupole (RFQ) with 10% duty facto ... [Rev. Sci. Instrum. 83, 02B711 (2012)] published Mon Feb 13, 2012.

A new extraction system for the Linac4 Hion source

O. Midttun, T. Kalvas, M. Kronberger, J. Lettry, H. Pereira et al.
As part of the CERN accelerator complex upgrade, a new linear accelerator for H (Linac4) is under construction. The ion source design is based on the non-caesiated DESY RF-driven ion source, with the goal of producing an H beam of 80 mA beam current, 45 keV beam energy, 0.4 ms pulse length, and 2 Hz ... [Rev. Sci. Instrum. 83, 02B710 (2012)] published Mon Feb 13, 2012.

Models of radiofrequency coupling for negative ion sources

M. Cavenago and S. Petrenko
Radiofrequency heating for ICP (inductively coupled plasma) ion sources depends on the source operating pressure, the presence or absence of a Faraday shield, the driver coil geometry, the frequency used, and the magnetic field configuration: in negative ion source a magnetic filter seems necessary ... [Rev. Sci. Instrum. 83, 02B503 (2012)] published Mon Feb 13, 2012.

Laser ion source with a double pulse laser system

M. Okamura, K. Kondo, G. Gish Allouche, and T. Yamamoto
To extend an ion beam pulse of a laser ion source, multiple laser shots could be used. To check the feasibility of this idea, we tested double laser irradiations on an iron target. When the interval of the two laser shots is longer than 10 [mu]s, the obtained ion current profile was expressed as a s ... [Rev. Sci. Instrum. 83, 02B308 (2012)] published Mon Feb 13, 2012.

Cesium dynamics in long pulse operation of negative hydrogen ion sources for fusion

U. Fantz and C. Wimmer
Large scale negative hydrogen ion sources operating stable for 1 h (cw mode) are required for the neutral beam heating system of the fusion experiment ITER. The formation of negative hydrogen ions relies on the surface effect for which cesium is evaporated into the source. In order to monitor the ce ... [Rev. Sci. Instrum. 83, 02B110 (2012)] published Mon Feb 13, 2012.

Beam injection improvement for electron cyclotron resonance charge breeders

T. Lamy, J. Angot, P. Sortais, T. Thuillier, and A. Galata
The injection of a 1+ beam into an electron cyclotron resonance (ECR) charge breeder is classically performed through a grounded tube placed on its axis at the injection side. This tube presents various disadvantages for the operation of an ECR charge breeder. First experiments without a grounded tu ... [Rev. Sci. Instrum. 83, 02A909 (2012)] published Mon Feb 13, 2012.

Correlation between the plasma parameters and the extracted current density in the volume-production based sources of negative hydrogen ions

St. Lishev, A. Shivarova, and Kh. Tarnev
Unified description of a volume-production based source of negative hydrogen ions, including its three regionsthe driver, the plasma expansion through the magnetic filter, and the extraction of the ions at the position of the first electrode of the extraction systemis presented within a two-dimensio ... [Rev. Sci. Instrum. 83, 02A709 (2012)] published Mon Feb 13, 2012.

Forty years of surface plasma source development

Vadim Dudnikov
The cesiation effect, a significant enhancement of negative ion emission from a gas discharge with decrease of co-extracted electron current below negative ion current, was observed for the first time on July 1, 1971 by placing into the discharge a compound with 1 mg of cesium. Subsequent developmen ... [Rev. Sci. Instrum. 83, 02A708 (2012)] published Mon Feb 13, 2012.

Optimization of negative ion current in a compact microwave driven upper hybrid resonance multicusp plasma source

D. Sahu, S. Bhattacharjee, M. J. Singh, M. Bandyopadhyay, and A. Chakraborty
Performance of a microwave driven upper hybrid resonance multicusp plasma source as a volume negative ion source is reported. Microwaves are directly launched into the plasma chamber predominantly in the TE mode. The source is operated at different discharge conditions to obtain the optimized negati ... [Rev. Sci. Instrum. 83, 02A706 (2012)] published Mon Feb 13, 2012.

The influence of the extraction voltage on the energetic electron population of an electron cyclotron resonance ion source plasma

K. E. Stiebing, L. Schachter, and S. Dobrescu
An influence of the extraction voltage on the high energy slope of bremsstrahlung radiation spectra has been reported in ECRIS experiments, which is not well understood so far. In order to provide more detailed data on this effect, we have measured bremsstrahlung radiation spectra accompanying espec ... [Rev. Sci. Instrum. 83, 02A331 (2012)] published Mon Feb 13, 2012.

Nanostructure operations by means of the liquid metal ion sources

I. S. Gasanov and I. I. Gurbanov
Characteristics of a disperse phase of liquid metal ion source on the basis of various working substances are investigated. It is revealed that generation of the charged particles occurs in the threshold image and is simultaneously accompanied by excitation of capillary instability on a surface of t ... [Rev. Sci. Instrum. 83, 02B906 (2012)] published Fri Feb 10, 2012.

Study of space charge compensation phenomena in charged particle beams

P. Veltri, M. Cavenago, and G. Serianni
The propagation of a charged particle beam is accompanied by the production of secondary particles created in the interaction of the beam itself with the background gas flowing in the accelerator tube. In the drift region, where the electric field of the electrodes is negligible, secondary particles ... [Rev. Sci. Instrum. 83, 02B709 (2012)] published Fri Feb 10, 2012.

Development of low-energy and high-current-density ion beam system

H. Sakakita, S. Kiyama, Y. Hirano, H. Koguchi, T. Shimada et al.
A low-energy ion beam system operating at a dc voltage of less than 300 V was developed using an ion source with a multicusp magnetic field. A high-current-density ion beam of 6.9 mA/cm was successfully extracted at the electrode. The beam extraction characteristics for flat and concave electrodes w ... [Rev. Sci. Instrum. 83, 02B708 (2012)] published Fri Feb 10, 2012.

Use of the focusing multi-slit ion optical system at RUssian Diagnostic Injector (RUDI)

A. Listopad, J. Coenen, V. Davydenko, A. Ivanov, V. Mishagin et al.
The upgrade of the diagnostic neutral beam injector RUDI in 2010 was performed to increase the beam density at the focal plane in accordance with the requirements of charge-exchange recombination spectroscopy diagnostics. A new focusing ion-optical system (IOS) with slit beamlets and an enlarged ape ... [Rev. Sci. Instrum. 83, 02B707 (2012)] published Fri Feb 10, 2012.

New methods for high current fast ion beam production by laser-driven acceleration

D. Margarone, J. Krasa, J. Prokupek, A. Velyhan, L. Torrisi et al.
An overview of the last experimental campaigns on laser-driven ion acceleration performed at the PALS facility in Prague is given. Both the 2 TW, sub-nanosecond iodine laser system and the 20 TW, femtosecond Ti:sapphire laser, recently installed at PALS, are used along our experiments performed in t ... [Rev. Sci. Instrum. 83, 02B307 (2012)] published Fri Feb 10, 2012.

Sheath structure in negative ion sources for fusion (invited)

R. McAdams, D. B. King, A. J. T. Holmes, and E. Surrey
In fusion negative ion sources, the negative ions are formed on the caesiated plasma grid predominantly by hydrogen atoms from the plasma. The space charge of the negative ions leaving the wall is not fully compensated by incoming positive ions and at high enough emission a virtual cathode is formed ... [Rev. Sci. Instrum. 83, 02B109 (2012)] published Fri Feb 10, 2012.

Progress in the MITICA beam source design

P. Zaccaria, P. Agostinetti, D. Marcuzzi, M. Pavei, N. Pilan et al.
In the framework of the development of the ITER neutral beam (NB) system, a test facility is planned to be built in Padova. A full size prototype of the ITER heating NB injector (MITICA) shall be built and tested at full beam power (17 MW) as per ITER requirements. The design of the MITICA beam sour ... [Rev. Sci. Instrum. 83, 02B108 (2012)] published Fri Feb 10, 2012.

Concepts for the magnetic design of the MITICA neutral beam test facility ion accelerator

G. Chitarin, P. Agostinetti, N. Marconato, D. Marcuzzi, E. Sartori et al.
The megavolt ITER injector concept advancement neutral injector test facility will be constituted by a RF-driven negative ion source and by an electrostatic Accelerator, designed to produce a negative Ion with a specific energy up to 1 MeV. The beam is then neutralized in order to obtain a focused 1 ... [Rev. Sci. Instrum. 83, 02B107 (2012)] published Fri Feb 10, 2012.

A close-coupling multi-antenna type radio frequency driven ion source

Y. Oka and T. Shoji
A newly close coupling multi-antenna type radio frequency driven ion source is tested for the purpose of essentially improving plasma coupling on the basis of our old type ion source, which reuses a NNBI (negative ion source for neutral beam injection) ion source used in 1/5th scale of the Large Hel ... [Rev. Sci. Instrum. 83, 02B106 (2012)] published Fri Feb 10, 2012.

A 3D Monte Carlo code for the modeling of plasma dynamics and beam formation mechanism in electron cyclotron resonance ion sources

L. Neri, D. Mascali, L. Celona, S. Gammino, and G. Ciavola
The code here presented is the first part of a Monte Carlo (MC) self-consistent 3D plasma simulator. It is yet able to solve the equation of motion for thousands of independent charged particles. The procedure allows to understand the consequences of each phenomenon introduced in the evolution steps ... [Rev. Sci. Instrum. 83, 02A330 (2012)] published Fri Feb 10, 2012.

A 2.45 GHz electron cyclotron resonance proton ion source and a dual-lens low energy beam transport

W. H. Zhang, H. Y. Ma, Y. Yang, Q. Wu, X. Z. Zhang et al.
The structure and preliminary commissioning results of a new 2.45 GHz ECR proton ion source and a dual-lens low energy beam transport (LEBT) system are presented in this paper. The main magnetic field of the ion source is provided by a set of permanent magnets with two small electro-solenoid magnets ... [Rev. Sci. Instrum. 83, 02A329 (2012)] published Fri Feb 10, 2012.

Development of DRAGON electron cyclotron resonance ion source at Institute of Modern Physics

W. Lu, D. Z. Xie, X. Z. Zhang, B. Xiong, L. Ruan et al.
A new room temperature electron cyclotron resonance (ECR) ion source, DRAGON, is under construction at IMP. DRAGON is designed to operate at microwaves of frequencies of 14.518 GHz. Its axial solenoid coils are cooled with evaporative medium to provide an axial magnetic mirror field of 2.5 T at the ... [Rev. Sci. Instrum. 83, 02A328 (2012)] published Fri Feb 10, 2012.

Improvement of efficiency and temperature control of induction heating vapor source on electron cyclotron resonance ion source

T. Takenaka, R. Kiriyama, M. Muramatsu, A. Kitagawa, T. Uchida et al.
An electron cyclotron resonance ion source (ECRIS) is used to generate multicharged ions for many kinds of the fields. We have developed an evaporator by using induction heating method that can generate pure vapor from solid state materials in ECRIS. We develop the new matching and protecting circui ... [Rev. Sci. Instrum. 83, 02A327 (2012)] published Fri Feb 10, 2012.

Design and fabrication of a superconducting magnet for an 18 GHz electron cyclotron resonance ion/photon source NFRI-ECRIPS

H.-J. You, S.-W. Jang, Y.-H. Jung, T.-H. Lho, and S.-J. Lee
A superconducting magnet was designed and fabricated for an 18 GHz ECR ion/photon source, which will be installed at National Fusion Research Institute (NFRI) in South Korea. The magnetic system consists of a set of four superconducting coils for axial mirror field and 36 pieces of permanent magnets ... [Rev. Sci. Instrum. 83, 02A326 (2012)] published Fri Feb 10, 2012.

Multicharged ion source based on Penning-type discharge with electron cyclotron resonance heating by millimeter waves

A. V. Vodopyanov, I. V. Izotov, D. A. Mansfeld, and G. Yu. Yushkov
We suggest a Penning-type discharge as a trigger discharge for fast development of pulsed electron cyclotron resonance plasma. The Penning-type discharge glows at a low pressure as needed. Gyrotron radiation (75 GHz, 200 kW, 1 ms) was used for plasma heating. Fully striped helium ions were demonstra ... [Rev. Sci. Instrum. 83, 02A325 (2012)] published Fri Feb 10, 2012.

Intense beams from gases generated by a permanent magnet ECR ion source at PKU

H. T. Ren (任海涛), S. X. Peng (彭士香), P. N. Lu (吕鹏南), S. Yan (颜莎), Q. F. Zhou (周泉丰) et al.
An electron cyclotron resonance (ECR) ion source is designed for the production of high-current ion beams of various gaseous elements. At the Peking University (PKU), the primary study is focused on developing suitable permanent magnet ECR ion sources (PMECRs) for separated function radio frequency ... [Rev. Sci. Instrum. 83, 02B905 (2012)] published Thu Feb 9, 2012.

Test bench to commission a third ion source beam line and a newly designed extraction system

T. Winkelmann, R. Cee, T. Haberer, B. Naas, and A. Peters
The HIT (Heidelberg Ion Beam Therapy Center) is the first hospital-based treatment facility in Europe where patients can be irradiated with protons and carbon ions. Since the commissioning starting in 2006 two 14.5 GHz electron cyclotron resonance ion sources are routinely used to produce a variety ... [Rev. Sci. Instrum. 83, 02B904 (2012)] published Thu Feb 9, 2012.

Progress towards the development of a realistic electron cyclotron resonance ion source extraction model

D. Winklehner, D. Leitner, J. Y. Benitez, C. M. Lyneis, and M. M. Strohmeier
In this paper, an ongoing effort to provide a simulation and design tool for electron cyclotron resonance ion source extraction and low energy beam transport is described and benchmarked against experimental results. Utilizing the particle-in-cell code WARP, a set of scripts has been developed: A se ... [Rev. Sci. Instrum. 83, 02B706 (2012)] published Thu Feb 9, 2012.

Target normal sheath acceleration analytical modeling, comparative study and developments

C. Perego, D. Batani, A. Zani, and M. Passoni
Ultra-intense laser interaction with solid targets appears to be an extremely promising technique to accelerate ions up to several MeV, producing beams that exhibit interesting properties for many foreseen applications. Nowadays, most of all the published experimental results can be theoretically ex ... [Rev. Sci. Instrum. 83, 02B502 (2012)] published Thu Feb 9, 2012.

Ion optics of RHIC electron beam ion source

A. Pikin, J. Alessi, E. Beebe, A. Kponou, M. Okamura et al.
RHIC electron beam ion source has been commissioned to operate as a versatile ion source on RHIC injection facility supplying ion species from He to Au for Booster. Except for light gaseous elements RHIC EBIS employs ion injection from several external primary ion sources. With electrostatic optics ... [Rev. Sci. Instrum. 83, 02A504 (2012)] published Thu Feb 9, 2012.

Electron cyclotron resonance plasma production by using pulse mode microwaves and dependences of ion beam current and plasma parameters on the pulse condition

Ryutaro Kiriyama, Tomoya Takenaka, Yousuke Kurisu, Dai Nozaki, Fuminobu Sato et al.
We measure the ion beam current and the plasma parameters by using the pulse mode microwave operation in the first stage of a tandem type ECRIS. The time averaged extracted ion beam current in the pulse mode operation is larger than that of the cw mode operation with the same averaged microwave powe ... [Rev. Sci. Instrum. 83, 02A324 (2012)] published Thu Feb 9, 2012.

First commissioning results with the Grenoble test electron cyclotron resonance ion source at iThemba LABS

R. Thomae, J. Conradie, H. Delsink, H. Du Plessis, D. Fourie et al.
iThemba Laboratory for Accelerator Based Science (iThemba LABS) is a multi-disciplinary accelerator facility. One of its main activities is the operation of a separated-sector cyclotron with a K-value of 200, which provides beams of various ion species. These beams are used for fundamental nuclear p ... [Rev. Sci. Instrum. 83, 02A323 (2012)] published Thu Feb 9, 2012.

Design of a compact electron cyclotron resonance ion source for medium charge state light ions

D. Button, M. A. C. Hotchkis, and G. N. Milford
At the Australian Nuclear Science and Technology Organization we are developing a new isotope ratio mass spectrometer based on the measurement of multiple charge state ions. We have carried out a review of our existing ECR ion source and identified a number of design flaws. For the new instrument, w ... [Rev. Sci. Instrum. 83, 02A322 (2012)] published Thu Feb 9, 2012.

Reliability test of an electron cyclotron resonance ion source for accelerator driven sub-critical system

B. Cui, B. Tang, R. Ma, Q. Huang, Y. Ma et al.
The reliability test of an electron cyclotron resonance ion source developed for accelerator driven sub-critical system is carried out in China Institute of Atomic Energy. A unique technique to improve the reliability is adopted. The source is operated for more than 200 h at 75 keV, 100 mA extracted ... [Rev. Sci. Instrum. 83, 02A321 (2012)] published Thu Feb 9, 2012.

Performance and operation of advanced superconducting electron cyclotron resonance ion source SECRAL at 24 GHz

H. W. Zhao, W. Lu, X. Z. Zhang, Y. C. Feng, J. W. Guo et al.
SECRAL (superconducting ECR ion source with advanced design in Lanzhou) ion source has been in routine operation for Heavy Ion Research Facility in Lanzhou (HIRFL) accelerator complex since May 2007. To further enhance the SECRAL performance in order to satisfy the increasing demand for intensive hi ... [Rev. Sci. Instrum. 83, 02A320 (2012)] published Thu Feb 9, 2012.

Design and investigations of the superconducting magnet system for the multipurpose superconducting electron cyclotron resonance ion source

K. Tinschert, R. Lang, J. Mader, J. Rossbach, P. Spadtke et al.
The production of intense beams of heavy ions with electron cyclotron resonance ion sources (ECRIS) is an important request at many accelerators. According to the ECR condition and considering semi-empirical scaling laws, it is essential to increase the microwave frequency together with the magnetic ... [Rev. Sci. Instrum. 83, 02A319 (2012)] published Thu Feb 9, 2012.

Influence of the shear flow on electron cyclotron resonance plasma confinement in an axisymmetric magnetic mirror trap of the electron cyclotron resonance ion source

I. V. Izotov, S. V. Razin, A. V. Sidorov, V. A. Skalyga, V. G. Zorin et al.
Influence of shear flows of the dense plasma created under conditions of the electron cyclotron resonance (ECR) gas breakdown on the plasma confinement in the axisymmetric mirror trap (vortex confinement) was studied experimentally and theoretically. A limiter with bias potential was set inside the ... [Rev. Sci. Instrum. 83, 02A318 (2012)] published Thu Feb 9, 2012.

Low energy beam transport for facility for rare isotope beams driver linear particle accelerator

L. T. Sun, D. Leitner, G. Machicoane, E. Pozdeyev, V. Smirnov et al.
The driver linac for the facility for rare isotope beams (FRIB) will provide a wide range of primary ion beams for nuclear physics research. The linac will be capable of accelerating a uranium beam to an energy of up to 200 Mev/u and delivering it to a fragmentation target with a maximum power of 40 ... [Rev. Sci. Instrum. 83, 02B705 (2012)] published Wed Feb 8, 2012.

Electrostatic energy analyzer measurements of low energy zirconium beam parameters in a plasma sputter-type negative ion source

Giovanni M. Malapit, Christian Lorenz S. Mahinay, Matthew D. Poral, and Henry J. Ramos
A plasma sputter-type negative ion source is utilized to produce and detect negative Zr ions with energies between 150 and 450 eV via a retarding potential-type electrostatic energy analyzer. Traditional and modified semi-cylindrical Faraday cups (FC) inside the analyzer are employed to sample negat ... [Rev. Sci. Instrum. 83, 02B704 (2012)] published Wed Feb 8, 2012.

Effects of electrode geometry on the ion beam extraction of closed drift type anode layer linear ion source

Seunghun Lee, Jong-Kuk Kim, and Do-Geun Kim
Closed drift type anode layer linear ion source was investigated with focusing on the electrode geometry effects on ion beam emission and anode layer formation. In the electrode geometry, the discharge gap between anode and cathode plays an important role to control anode layer formation as well as ... [Rev. Sci. Instrum. 83, 02B703 (2012)] published Wed Feb 8, 2012.

New laser setup for the selective isotope production and investigation in a laser ion source at the IRIS (Investigation of Radioactive Isotopes on Synchrocyclotron) facility

A. E. Barzakh, D. V. Fedorov, V. S. Ivanov, P. L. Molkanov, V. N. Panteleev et al.
New laser installation for the resonance ionization spectroscopy in a laser ion source and for rare isotope production has been recently put into operation at the IRIS (Investigation of Radioactive Isotopes on Synchrocyclotron) facility (Petersburg Nuclear Physics Institute, Gatchina). This is a sig ... [Rev. Sci. Instrum. 83, 02B306 (2012)] published Wed Feb 8, 2012.

Generation of solid-density ultraintense ion beams by a picosecond laser pulse of circular polarization

S. Jablonski and J. Badziak
This contribution reports particle-in-cell numerical studies of deuteron beam acceleration by a picosecond laser pulse of circular polarization. The effect of laser wavelength lambda and the Ilambda product (I is laser intensity) on the ion beam parameters is investigated. It is shown that at the Il ... [Rev. Sci. Instrum. 83, 02B105 (2012)] published Wed Feb 8, 2012.

Initial commissioning results with the NSCL Electron Beam Ion Trap

S. Schwarz, G. Bollen, J. R. Crespo Lopez-Urrutia, O. Kester, K. Kittimanapun et al.
The ReA reaccelerator is being added to the National Superconducting Cyclotron Laboratory (NSCL) fragmentation facility in order to provide exotic rare-isotope beams, not available at the Isotope Separation On-Line facilities, in the several-MeV/u energy range. The first stage of the NSCL reaccelera ... [Rev. Sci. Instrum. 83, 02A908 (2012)] published Wed Feb 8, 2012.

Off-line ionization tests using the surface and the plasma ion sources of the SPES project

M. Manzolaro, M. Manente, D. Curreli, J. Vasquez, J. Montano et al.
The development of new target ion source systems for the selective production of exotic species (SPES) facility is currently in progress at Legnaro National Laboratories. In this context, the study of ion sources and their performance in terms of ionization efficiency and transversal emittance is a ... [Rev. Sci. Instrum. 83, 02A907 (2012)] published Wed Feb 8, 2012.

Profiles of ion beams and plasma parameters on a multi-frequencies microwaves large bore electron cyclotron resonance ion source with permanent magnets

Yushi Kato, Naoki Sakamoto, Ryutaro Kiriyama, Tomoya Takenaka, Yosuke Kurisu et al.
In order to contribute to various applications of plasma and beams based on an electron cyclotron resonance, a new concept on magnetic field with all magnets on plasma production and confinement has been proposed with enhanced efficiency for broad and dense ion beam. The magnetic field configuration ... [Rev. Sci. Instrum. 83, 02A317 (2012)] published Wed Feb 8, 2012.