scholarly journals Development of laser-plasma generator for injector of C4+ ions

2012 ◽  
Vol 30 (1) ◽  
pp. 65-73 ◽  
Author(s):  
N.N. Alekseev ◽  
A.N. Balabaev ◽  
A.A. Vasilyev ◽  
Yu.A. Satov ◽  
S.M. Savin ◽  
...  
Keyword(s):  
Laser Beam ◽  
Plasma Generator ◽  
Heavy Ion ◽  
Ion Source ◽  
Optical Scheme ◽  
Laser Ion Source ◽  
Active Volume ◽  
Free Running ◽  
Discharge Formation ◽  
Current Trace

AbstractThe results of the development of the ITEP accelerator carbon ion injector based on a repetition-rate CO2 laser ion source are described. The improvement includes a modified pulsed HV-feeding generator for the discharge formation in the laser gas mixture. The advanced discharge module ensures essential increase of the laser active volume and specific electrical deposition energy. The comparative computer simulations of the discharge characteristics for the improved and the prototype lasers are applied. The design and the output spatial-temporal parameters of the free-running laser “Malish-M” are shown, so the significant increase of the laser power is reached. The spatial characteristics of the laser beam obtained with diffraction calculations are compared to measured radial distribution of the energy density. The target laser intensity and the different channels of the energy loss of the laser beam in the optical scheme are estimated. Finally, the output C4+ current trace of heavy ion injector as well as the injector scheme are shown.

Laser ion source for heavy ion accelerators

1992 ◽  
Vol 63 (4) ◽  
pp. 2841-2843 ◽  
Author(s):  
B. Yu. Sharkov ◽  
A. V. Shumshurov ◽  
V. P. Dubenkow ◽  
O. B. Shamaev ◽  
A. A. Golubev
Keyword(s):  
Heavy Ion ◽  
Ion Source ◽  
Laser Ion Source

scholarly journals The CERN laser–ion source

1996 ◽  
Vol 14 (3) ◽  
pp. 283-292 ◽  
Author(s):  
J. Collier ◽  
G. Hall ◽  
H. Haseroth ◽  
H. Kugler ◽  
A. Kuttenberger ◽  
...  
Keyword(s):  
Radio Frequency ◽  
Feasibility Study ◽  
Heavy Ion ◽  
Ion Beams ◽  
Ion Source ◽  
Laser Ion Source ◽  
Radio Frequency Quadrupole ◽  
Laser Produced Plasma ◽  
Light Ions ◽  
First Results

This paper describes the first results of a feasibility study undertaken at CERN to determine whether a laser-produced plasma can be used as a source of intense highly charged heavy ion beams. A variety of important measurements have been made, and the results are encouraging. Furthermore, a beam of highly charged light ions produced by the laser ion source has been accelerated successfully in a radio frequency quadrupole (RFQ) structure.

scholarly journals CO2 laser ion source: Comparison between mode-locked and free-running laser beams

2001 ◽  
Vol 19 (4) ◽  
pp. 647-655 ◽  
Author(s):  
N. LISI ◽  
C. MEYER ◽  
R. SCRIVENS
Keyword(s):  
Laser Pulse ◽  
Hadron Collider ◽  
Ion Source ◽  
Intense Laser ◽  
Laser Ion Source ◽  
Pulse Trains ◽  
Free Running ◽  
Time Structures ◽  
First Time ◽  
Charged Ions

The production of highly charged ions in a CO2 laser-generated plasma is compared for different laser pulse-time structures. The work was performed at the CERN Laser Ion Source, which has the aim of developing a high current, high charge-state ion source for the Large Hadron Collider (LHC). When an intense laser pulse is focused onto a high-Z metal target, the ions expanding in the plasma plume are suitable for extraction from the plasma and matching into a synchrotron. For the first time, a comparison is made between free-running pulses with randomly fluctuating intensity, and mode-locked pulse trains with a reproducible structure and the same energy. Despite the lower power density with respect to the mode-locked pulse train, the free-running pulse provides higher charge states and higher yield.

scholarly journals Laser ion source for isobaric heavy ion collider experiment

2016 ◽  
Vol 87 (2) ◽  
pp. 02A920 ◽  
Author(s):  
T. Kanesue ◽  
M. Kumaki ◽  
S. Ikeda ◽  
M. Okamura
Keyword(s):  
Heavy Ion ◽  
Ion Source ◽  
Laser Ion Source ◽  
Collider Experiment

scholarly journals Laser ion source of multicharged ions for ITEP accumulator facility

2002 ◽  
Vol 20 (3) ◽  
pp. 455-458 ◽  
Author(s):  
N.D. MESCHERYAKOV ◽  
N.N. ALEXEEV ◽  
A.N. BALABAEV ◽  
S.A. KONDRASHEV ◽  
K.V. KONYUKOV ◽  
...  
Keyword(s):  
High Voltage ◽  
Ion Beam ◽  
Laser Cavity ◽  
Heavy Ion ◽  
Ion Source ◽  
Target Chamber ◽  
Laser Ion Source ◽  
State Institute ◽  
Energy Beam ◽  
Term Operation

In this article, we present the results of the laser ion source (LIS) for heavy ion high charge state Institute of Theoretical and Experimental Physics terawatt accumulator facility. This LIS is a duty ion source of C+4 for the injector. The main parameters of CO2 laser, vacuum target chamber, ion beam high voltage extraction system, and low energy beam transport line are shown. The stability of the LIS operation is discussed and measured ion beam parameters (ion current, pulse duration, emittance) for different charge states are presented. After the upgrading of the laser cavity, high voltage capacitors, and spark gaps and the installation of a new catalyst regenerator system, the CO2 laser became much more stable and allows long term operation. LIS works about 1 × 106 shots without intervention.

Laser ion source for heavy ion synchrotrons (invited)

1998 ◽  
Vol 69 (2) ◽  
pp. 1035-1039 ◽  
Author(s):  
B. Yu. Sharkov ◽  
S. Kondrashev ◽  
I. Roudskoy ◽  
S. Savin ◽  
A. Shumshurov ◽  
...  
Keyword(s):  
Heavy Ion ◽  
Ion Source ◽  
Laser Ion Source

TWAC facility and the use of the laser ion source for production of intense heavy ion beams

1999 ◽  
Author(s):  
Boris Sharkov ◽  
S. Kondrashev ◽  
A. Shumshurov ◽  
N. Mescheryakov ◽  
I. Rudskoy ◽  
...  
Keyword(s):  
Heavy Ion ◽  
Ion Beams ◽  
Ion Source ◽  
Laser Ion Source
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