Target life time of laser ion source for low charge state ion production

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Laser ion source (LIS) produces ions by irradiating pulsed high power laser shots onto the solid state target. For the low charge state ion production, laser spot diameter on the target can be over several millimeters using a high power laser such as Nd:YAG laser. In this case, a damage to the target surface is small while there is a visible crater in case of the best focused laser shot for high charge state ion production (laser spot diameter can be several tens of micrometers). So the need of target displacement after each laser shot to use fresh surface to ... continued below

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Kanesue,T.; Tamura, J. & Okamura, M. June 23, 2008.

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Laser ion source (LIS) produces ions by irradiating pulsed high power laser shots onto the solid state target. For the low charge state ion production, laser spot diameter on the target can be over several millimeters using a high power laser such as Nd:YAG laser. In this case, a damage to the target surface is small while there is a visible crater in case of the best focused laser shot for high charge state ion production (laser spot diameter can be several tens of micrometers). So the need of target displacement after each laser shot to use fresh surface to stabilize plasma is not required for low charge state ion production. We tested target lifetime using Nd:YAG laser with 5 Hz repetition rate. Also target temperature and vacuum condition were recorded during experiment. The feasibility of a long time operation was verified.

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  • 11th Biennial European Particle Accelerator Conference (EPAC2008); Genoa, Italy; 20080623 through 20080627

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  • Report No.: BNL--79912-2008-CP
  • Grant Number: DE-AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 935374
  • Archival Resource Key: ark:/67531/metadc894916

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 23, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 1, 2016, 5:11 p.m.

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Kanesue,T.; Tamura, J. & Okamura, M. Target life time of laser ion source for low charge state ion production, article, June 23, 2008; United States. (digital.library.unt.edu/ark:/67531/metadc894916/: accessed April 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.