Active element for laser source and laser source including...

Details Active element for laser source and laser source including... Active element for laser source and laser source including...

2008-05-27

2010-10-19

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

C372S071000, C372S097000

Reexamination Certificate

active

07817701

ABSTRACT:
An active element for a laser source, the active element comprising an elongated bar with a reflective lateral surface, doped to be able to absorb at least a pumping beam being propagated at least approximately longitudinally in the bar in order to amplify at least a laser radiation also being propagated longitudinally; and a jacket in contact with the lateral surface of the bar and presenting a refractive index smaller than that of the bar, in the reflective lateral surface of the bar, there is at least one dull-ground diffusing zone able to interrupt the paths of spurious laser modes being propagated in the bar by total internal reflections on the lateral surface.

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