Publications by Laura Corner

Sub-micrometre resolution laserwire transverse beam size measurement system

IBIC 2013: Proceedings of the 2nd International Beam Instrumentation Conference (2013) 243-246

LJ Nevay, ST Boogert, P Karataev, K Kruchinin, L Corner, R Walczak, A Aryshev, J Urakawa, N Terunuma

Copyright © 2013 by JACoW. The laserwire system at the Accelerator Test Facility 2 (ATF2) is a transverse beam profile measurement system capable of measuring a micrometre-size electron beam. We present recent results demonstrating a measured vertical size of 1.16 ± 0.06 μm and a horizontal size of 110.1 ± 3.8 μ m. Due to the high aspect ratio of the electron beam, the natural divergence of the tightly focussed laser beam across the electron beam width requires the use of the full overlap integral to deconvolve the scans. For this to be done accurately, the propagation of the 150 mJ, 167 ps long laser pulses was precisely measured at a scaled virtual interaction point.

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