A superconducting solenoid as probe forming lens for microprobe applications

Stephan, A.; Meijer, Jan; Höfert, M.; Bukow, H.H.; Rolfs, C.

doi:10.1016/0168-583x(94)95211-6

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Cited by 11 publications

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“…Existing microprobes with solenoids do not produce the resolution of less than a few microns. 6 At the Center for Radiological Research of Columbia University we are planning two ion microprobes to study the response of biological cells to irradiation with single ions. This article is devoted to the first ͑preliminary͒ design having the following geometry.…”

Section: Introductionmentioning

confidence: 99%

Theoretical study of short electrostatic lens for the Columbia ion microprobe

Dymnikov

Brenner

Johnson

et al. 2000

Review of Scientific Instruments

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A short probe-forming system is developed for the Columbia Microprobe that includes four electrostatic quadrupoles with a Russian quadruplet configuration. The smallest beam spot size and appropriate optimal parameters of the probe-forming systems have been found. These parameters of the system are compared with appropriate parameters of other field configurations including the electrostatic and magnetic fields with dipole, quadrupole, and rotational symmetry. The new original construction of the electrostatic quadruplet has been manufactured. The sensitivity of this quadruplet to some misalignments of the construction is investigated.

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Section: Introductionmentioning

confidence: 99%