Compagnie Generale D'electricite

Compagnie Generale D'electricite S.a.

Bernard Lavarini

Michel Mercier

Jean-Yves Thomas

Jean-Pierre Crancon

The invention concerns a gaseous flux laser device. To enable the removal into the atmosphere of the exhaust gases of an N.sub.2 -CO.sub.2 laser while maintaining a sufficiently low pressure in the zone where the stimulated light emission occurs, the carbon dioxide is injected through supersonic nozzles and an exhaust tube having a sufficient length is used. Application to the generating of powerful coherent light beams.

Gaseous flux laser device

Gaseous flux laser generator of the nitrogen and carbon dioxyde type. The dimensions of the enclosure and the conditions of injection of the nitrogen and those of the electrical supply are chosen to set up a luminescent discharge in a swirling flow.

Gas laser generator

Along an axis (2) of an optical cavity there are: a mirror (3) having a W-shaped cross section to give inner and outer conical reflecting surfaces (4, 6) which are oppositely inclined, a plane mirror (8) having an axial opening and facing the W-shaped mirror (3), a convex mirror (16) receiving the oscillating radiation from the W-shaped mirror (3) via the opening in the plane mirror (8), and a mirror (17) disposed between the plane mirror (8) and the convex mirror (16), said mirror (17) having an aperture and being inclined to the axis so as to extract laser energy from the oscillator.

Growing community of inventors

Jouy en Josas, France

Bernard Lavarini