Covariance Mapping: A Correlation Method Applied to Multiphoton Multiple Ionization

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Science  24 Nov 1989:
Vol. 246, Issue 4933, pp. 1029-1031
DOI: 10.1126/science.246.4933.1029


In some cases there are hidden correlations in a highly fluctuating signal, but these are lost in a conventional averaging procedure. Covariance mapping allows these correlations to be revealed unambiguously. As an example of the applicability of this technique, the dynamics of fragmentation of molecules ionized by an intense picosecond laser are analyzed.

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