Abstract

Two methods for obtaining the autocorrelation central value from clipped photon-counting data are presented. They are based on the statistical analysis of the total number of counts in one frame. One of the methods requires a smaller number of frames for good statistical accuracy, whereas the other is applicable over a wider intensity range. A slight modification of the latter method permits evaluation of the central value of the triple-correlation function. To our knowledge these are the first techniques that overcome the problem of the autocorrelation and triple-correlation central hole that is due to the clipping in photon-counting detection.

© 1994 Optical Society of America

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