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Published on: January 28, 2021
A Thomson parabola ion imaging spectrometer designed to probe relativistic intensity ionization dynamics of
R Rajeev1, K P M Rishad, T Madhu Trivikram
1Tata Institute of Fundamental Research, Mumbai, India.
Abstract:
Conventional techniques of probing ionization dynamics at relativistic intensities for extended target systems such as clusters are difficult both due to problems of achieving good charge resolution and signal integration over the focal volume. Simultaneous measurement of arrival time, necessary for these systems, has normally involved complicated methods. We designed and developed a Thomson parabola imaging spectrometer that overcomes these problems. Intensity sampling method evolved in this report is proved to be mandatory for probing ionization dynamics of clusters at relativistic intensities. We use this method to measure charge resolved kinetic energy spectra of argon nanoclusters at intensities of 4 × 10(18) W cm(-2).
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