Ecole Polytechnique

Israel Veilleux

Emmanuel Jean-Marc Beaurepaire

Jean-Louis Martin

Nicolas Olivier

Delphine Malvina Daniele Marie Debarre

A method for acquiring signals in laser scanning microscopy, includes the steps of: moving a focused optical excitation beam relative to an object to be measured so that the focus point of the beam follows a predetermined path in the space of the object; and acquiring optical measurement signals along the path according to at least one acquisition parameter; characterized in that the path of the excitation beam is determined so as to substantially minimize the variations of the optical properties of at least one portion of the environments crossed by the excitation beam between consecutive acquisitions, and in that at least one acquisition parameter among the acquisition parameters is modulated during the movement of the excitation beam. A device for implementing the method is also described.

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Israel Veilleux