Modeling and Optimization of Deflection Slits for Fast-Pulsing a Low Energy Ion Beam

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Paper discusses an experiment that a set of deflection slits for fast-pulsing a keV ion beam.

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23 p.: ill.

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Bosca, Ryan 2006.

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This article is part of the collection entitled: The Eagle Feather and was provided by the UNT Libraries to the UNT Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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Paper discusses an experiment that a set of deflection slits for fast-pulsing a keV ion beam.

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23 p.: ill.

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Abstract: When a transverse electric field between a pair of closely spaced slits is used to deflect an ion beam, the length of the field region along the beam axis directly affects the length of time required to make the transition between the beam’s undeflected and deflected states. Using the SIMIONTM 3D 7.0 ion optics simulation program, which calculates electrostatic fields via numerical solutions to Laplace’s equation, we have modeled a set of deflection slits for fast-pulsing a keV ion beam. We used the electric fields calculated in the model to simulate ion flight through the deflection region. By establishing a condition for ion transmission to a downstream target and by starting ion flights at different positions along the beam axis in the electric field region, we have obtained the time dependence for the beam’s transition from the undeflected to the deflected state on the downstream target, assuming negligible propagation times of the electric field through the deflection region. We compare the simulated deflection to the measured performance of a deflection system on a small Cockcroft-Walton accelerator. We also investigate simulated slit configurations that reduce the length of the fields along the beam axis, thus optimizing the pulsing mechanism.

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  • Eagle Feather, Issue 3, University of North Texas Honors College: Denton, Texas. 2006

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  • Publication Title: Eagle Feather
  • Volume: 3
  • Issue: 2006
  • Peer Reviewed: Yes

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The Eagle Feather

Launched in 2004 by UNT's Honors College, The Eagle Feather was an interdisciplinary undergraduate research journal that promoted the work of students and their faculty mentors. The Eagle Feather was published annually until 2017 when it transitioned into the North Texas Journal of Undergraduate Research.

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This collection presents scholarly and artistic content created by undergraduate students. All materials have been previously accepted by a professional organization or approved by a faculty mentor. Most classroom assignments are not eligible for inclusion. The collection includes, but is not limited to Honors College theses, thesis supplemental files, professional presentations, articles, and posters. Some items in this collection are restricted to use by the UNT community.

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  • 2006

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  • March 22, 2020, 10:07 a.m.

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  • April 15, 2020, 12:35 p.m.

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Bosca, Ryan. Modeling and Optimization of Deflection Slits for Fast-Pulsing a Low Energy Ion Beam, article, 2006; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc1633165/: accessed May 6, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .

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