Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

François Ramaz

Arnaud Verdant

Antoine Dupret

Sylvain Gigan

Gilles Tessier

Timothé Laforest

The invention concerns a system for measuring and controlling the wave-front of a coherent light beam (), comprising: a device for generating a reference light beam () that is coherent with said coherent light beam (); a partially reflective monolithic device () comprising an array of elementary cells, each elementary cell comprising at least one element () for measuring a portion of the incident wave interfering between the coherent light beam and the reference light beam and a phase modulation element () for modulating the phase of the reflected beam; and a control device () for controlling said phase modulation element making use of the information from the associated measuring element.

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Le Kremlin-Bicêtre, France

François Ramaz