• Open Access

Circular-to-planar transformations of high-perveance electron beams by asymmetric solenoid lenses

Stanley Humphries, Steven Russell, Bruce Carlsten, Lawrence Earley, and Patrick Ferguson
Phys. Rev. ST Accel. Beams 7, 060401 – Published 14 June 2004

Abstract

The generation and transport of planar electron beams is a topic of increasing interest for applications to high-power, high-frequency microwave devices. This paper describes the use of solenoid lenses with elliptical pole apertures to transform a circular high-perveance beam to a planar configuration. The resulting transformation system has a short axial length and is easily fabricated. Furthermore, the approach allows use of a conventional electron gun. We designed lenses and simulated the dynamics of a beam system to drive a 95 GHz, traveling-wave tube experiment at Los Alamos National Laboratory. The three-dimensional self-consistent calculations indicate that a 0.5   μperv beam can be compressed to a height of less than 0.5 mm with sufficiently low emittance for transport through periodic-permanent-magnet or wiggler arrays.

  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
1 More
  • Received 4 March 2004

DOI:https://doi.org/10.1103/PhysRevSTAB.7.060401

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Authors & Affiliations

Stanley Humphries

  • Field Precision, PO Box 13595, Albuquerque, New Mexico 87192, USA

Steven Russell, Bruce Carlsten, and Lawrence Earley

  • Los Alamos National Laboratory, MS H851, Los Alamos, New Mexico 87545, USA

Patrick Ferguson

  • MDS Company, Oakland, California 94611, USA

Article Text

Click to Expand

References

Click to Expand
Issue

Vol. 7, Iss. 6 — June 2004

Reuse & Permissions
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Accelerators and Beams

Reuse & Permissions

It is not necessary to obtain permission to reuse this article or its components as it is available under the terms of the Creative Commons Attribution 3.0 License. This license permits unrestricted use, distribution, and reproduction in any medium, provided attribution to the author(s) and the published article's title, journal citation, and DOI are maintained. Please note that some figures may have been included with permission from other third parties. It is your responsibility to obtain the proper permission from the rights holder directly for these figures.

×

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×