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F2Cor: fast 2-stage correlation algorithm for FCS and DLS.

Abstract : We present a new multiple-tau correlation algorithm which is the fastest to date. The resulting curve is identical to that obtained with the conventional multiple-tau algorithm, but the calculation time is much shorter. It combines two approaches. For short values of the lag-time a very simple correlation histogram is used, while for higher lag-time values the traditional multiple-tau bin-and-multiply approach is used. The lag-time limit between these two stages depends on the count rate. The computation time scales linearly with the count rate and is as fast as 0.1 µs/photon.
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Contributor : Hervé De Villemeur Connect in order to contact the contributor
Submitted on : Wednesday, July 11, 2012 - 2:44:32 PM
Last modification on : Wednesday, March 30, 2022 - 2:34:58 PM

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Emmanuel Schaub. F2Cor: fast 2-stage correlation algorithm for FCS and DLS.. Opt Express, 2012, 20 (3), pp.2184-95. ⟨10.1364/OE.20.002184⟩. ⟨inserm-00716842⟩



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