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  Design and construction of an electrostatic quadrupole doublet lens for nuclear microprobe application

Manuel, J. E., Szilasi, S. Z., Phillips, D., Dymnikov, A. D., Reinert, T., Rout, B., et al. (2017). Design and construction of an electrostatic quadrupole doublet lens for nuclear microprobe application. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 404, 21-28. doi:10.1016/j.nimb.2017.03.002.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-7879-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-787A-1
Genre: Journal Article

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 Creators:
Manuel, Jack E.1, Author
Szilasi, Szabolcs Z.2, Author
Phillips, Dustin3, Author
Dymnikov, Alexander D.3, Author
Reinert, Tilo1, Author              
Rout, Bibhudutta1, Author
Glass, Gary A.1, Author
Affiliations:
1Ion Beam Modification and Analysis Laboratory (IBMAL), University of North Texas, Denton, TX, USA, ou_persistent22              
2Institute of Nuclear Research, Hungarian Academy of Sciences, Budapest, Hungary, ou_persistent22              
3Louisiana Accelerator Center, University of Louisiana, Lafayette, LA, USA, ou_persistent22              

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Free keywords: Electrostatic doublet; Heavy ion microprobe
 Abstract: An electrostatic quadrupole doublet lens system has been designed and constructed to provide strong, mass-independent focusing of 1–3 MeV ions to a 1 µm2 spot size. The electrostatic doublet consists of four sets of gold electrodes deposited on quartz rods that are positioned in a precision machined rigid frame. The 38 mm electrodes are fixed in a quadrupole doublet arrangement having a bore diameter of 6.35 mm. The coating process allows uniform, 360° coverage with minimal edge defects. Determined via optical interferometry, typical surface roughness is 6 nm peak to valley. Radial and coaxial alignment of the electrodes within the frame is accomplished by using a combination of rigid and adjustable mechanical supports. Axial alignment along the ion beam is accomplished via external manipulators. COMSOL Multiphysics® v5.2 and Propagate Rays and Aberrations by Matrices (PRAM) were used to simulate ion trajectories through the system.

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Language(s): eng - English
 Dates: 2017-02-212016-08-302017-03-012017-03-162017-08-01
 Publication Status: Published in print
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.nimb.2017.03.002
 Degree: -

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Project name : MRI-R2: Development of Electrostatic high energy focused ion beam (HEFIB) nanoprobe system
Grant ID : 0960222
Funding program : MAJOR RESEARCH INSTRUMENTATION (1189)
Funding organization : National Science Foundation

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Title: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
  Abbreviation : NIM B
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Amsterdam : Elsevier B.V.
Pages: - Volume / Issue: 404 Sequence Number: - Start / End Page: 21 - 28 Identifier: ISSN: 0168-583X
CoNE: https://pure.mpg.de/cone/journals/resource/954925484704