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A test stand for off-line laser ion source development at TRIUMF
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10.1063/1.4788938
/content/aip/journal/rsi/84/1/10.1063/1.4788938
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/1/10.1063/1.4788938

Figures

Image of FIG. 1.
FIG. 1.

Cross-section of the LIS STAND showing: (1) the ion source and extraction optics, (2) the spherical deflector, (3) the deceleration optics, (4) the quadrupole mass spectrometer (QMS), (5) Einzel lenses, (6) a Faraday cup and a fork scanner, (7) parallel plate beam steerers and (8) the electron multiplier and the Faraday plate.

Image of FIG. 2.
FIG. 2.

Gallium ionization schemes investigated. Gallium can either be resonantly ionized via excitation to Rydberg states or nonresonantly ionized by a high power 532 nm laser. A ki is the Einstein A coefficient.

Image of FIG. 3.
FIG. 3.

Spectrum of gallium ion current as a function of the second step laser wavenumber, with the first excitation step from 0 cm−1 4s24p to 34 787.66 cm−1 4s24d 2D3/2. Laser wavenumber scan from 13 400 cm −1 to 13 580 cm −1 shows both of the 4s2nf and 4s2np Rydberg series.

Tables

Generic image for table
Table I.

Comparison between simulated and measured potentials for the ion source test stand ion optics.

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/content/aip/journal/rsi/84/1/10.1063/1.4788938
2013-01-29
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A test stand for off-line laser ion source development at TRIUMF
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/1/10.1063/1.4788938
10.1063/1.4788938
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