Horke, D. A. and Roberts, G. M. and Lecointre, J. and Verlet, J. R. R. (2012) 'Velocity-map imaging at low extraction fields.', Review of scientific instruments., 83 (6). 063101.
We present a velocity-map imaging (VMI) setup for photoelectron imaging that utilizes low electric extraction fields. This avoids any complications that could arise from electrostatic interactions between the extraction field and the molecular properties that are probed and has a minimal effect on the trajectory of ions in ion beam experiments. By using an attractive potential supplied to the detector, and keeping the electrodes at ground (zero) potential, we show that fringe fields between the VMI arrangement and the vacuum chamber can be eliminated, which is important in experiments on ions.
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|Publisher Web site:||http://dx.doi.org/10.1063/1.4724311|
|Publisher statement:||© 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Horke, D. A. and Roberts, G. M. and Lecointre, J. and Verlet, J. R. R. (2012) 'Velocity-map imaging at low extraction fields.', Review of scientific instruments., 83 (6): 063101 and may be found at http://dx.doi.org/10.1063/1.4724311|
|Date accepted:||No date available|
|Date deposited:||05 February 2016|
|Date of first online publication:||June 2012|
|Date first made open access:||No date available|
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