Importance

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Abstract

The present invention relates to a device for amplifying a multi-wavelength laser beam, comprising:

a. a first active laser medium having a front face and a rear face which is reflective, inclined with respect to each other at a first non-zero inclination, andb. a second active laser medium having a front face suitable for receiving the beam reflected by the rear face and refracted by the front face of the first active laser medium, and a reflective rear face, inclined with respect to each other at a second non-zero inclination, the first inclination, the second inclination and the orientation of the second active laser medium being such that the sub-beams of each wavelength, forming the output beam of the second active laser medium, are parallel to each other at the output of the second active laser medium.

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First Claim