A laser ablation ion source for gas cell studies

Davies, D.; Morrissey, D. J.; Bollen, G.; Lofy, P. A.; Schwarz, S.; Ottarson, J.

doi:10.1016/j.nima.2006.09.055

Cited by 4 publications

(2 citation statements)

References 22 publications

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“…The reason for the difference in the chemical evolution of the primary ionization in the NSCL and the SHIPTRAP gas cells is now apparent. The shortest drift time from the midpoint of the NSCL gas cell at 1 bar of t $ 50 ms (l $ 20 cm 2 /s/V and E $ 25 V/ cm, see for example [27]), is longer than the mean lifetime for charge exchange at this pressure. On the other hand, the drift time reported for the SHIPTRAP gas cell of t 6 10 ms [21] is fifty times shorter than the estimated mean lifetime for reactions in this system (s $ 500 ms) at the same ppb level of contamination.…”

Section: Ion Chemistrymentioning

confidence: 97%

Pulsed extraction of ionization from helium buffer gas

Morrissey

Bollen

Facina

et al. 2008

Nuclear Instruments and Methods in Physics Research Section B:

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The migration of intense ionization created in helium buffer gas under the influence of applied electric fields is considered. First the chemical evolution of the ionization created by fast heavy-ion beams is described. Straight forward estimates of the lifetimes for charge exchange indicate a clear suppression of charge exchange during ion migration in low pressure helium. Then self-consistent calculations of the migration of the ions in the electric field of a gas-filled cell at the National Superconducting Cyclotron Laboratory (NSCL) using a Particle-In-Cell computer code are presented. The results of the calculations are compared to measurements of the extracted ion current caused by beam pulses injected into the NSCL gas cell.Comment: Accepted for pubilication in Nucl. Instrum. Meth. B, 14 pages, 8 figure

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Section: Ion Chemistrymentioning

confidence: 97%

Pulsed extraction of ionization from helium buffer gas

Morrissey

Bollen

Facina

et al. 2008

Nuclear Instruments and Methods in Physics Research Section B:

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“…The laser ablation ion source can produce most of the stable/radioactive metallic ions by local heating of a metal target with a laser in order to sputter ions from the surface into the gas [115,116]. Figure 3.7 shows a schematic view of the laser ablation ion-production principle.…”

Section: Internal Ion Sourcesmentioning

confidence: 99%

Mass and half-life measurements of neutron-deficient isotopes with A~100 and developments for the FRS Ion Catcher and CISE

Mollaebrahimi

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A laser ablation source for offline ion production at LEBIT

Izzo

Bollen

Bustabad

et al. 2016

Nuclear Instruments and Methods in Physics Research Section B:

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A laser ablation ion source has been developed and implemented at the Low-Energy Beam and Ion Trap (LEBIT) facility at the National Superconducting Cyclotron Laboratory. This offline ion source enhances the capabilities of LEBIT by providing increased access to ions used for calibration measurements and checks of systematic effects as well as stable and long-lived ions of scientific interest. The design of the laser ablation ion source and a demonstration of its successful operation are presented.

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A laser ablation ion source for gas cell studies

Cited by 4 publications

References 22 publications

Pulsed extraction of ionization from helium buffer gas

Pulsed extraction of ionization from helium buffer gas

Mass and half-life measurements of neutron-deficient isotopes with A~100 and developments for the FRS Ion Catcher and CISE

A laser ablation source for offline ion production at LEBIT

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