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Rev. Sci. Instrum. 76, 113303 (2005); http://dx.doi.org/10.1063/1.2130931 (6 pages)

Photocathode microwire monitor for nondestructive and highly sensitive spatial profile measurements of ultraviolet, x-ray, and charged particle beams

Masaki Hori

CERN, CH-1211 Geneva 23, Switzerland and Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan

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(Received 8 July 2005; accepted 3 October 2005; published online 23 November 2005)

A nondestructive and sensitive monitor consisting of photocathode wire grids arranged in an XY configuration for measuring the spatial profile, divergence, and intensity of pulsed UV, x-ray, and charged particle beams is described. The monitor has been used to measure laser beams at wavelengths λ = 213−532 nm, and antiproton, proton, H ions, and electron beams of energies E = 50 eV to 5 MeV.

© 2005 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. MONITOR CONSTRUCTION
    1. Photocathode wires and vacuum chamber
    2. Readout electronics
  3. MEASUREMENTS AND RESULTS

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ISSN

0034-6748 (print)  
1089-7623 (online)

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