Abstract
Great effort has been made to design resonators that allow efficient generation of a high-brightness beam. For this purpose, fundamental modes of the largest cross section compatible with the size of the active medium are necessary. Several schemes have been devised for both stable and unstable resonators. Recently, we proposed and experimentally demonstrated for solid-state lasers the feasibility of segmented mirror resonators, which represent in one sense a generalization of the concept of phased array diode lasers.1 This scheme makes use of appropriate linear and 2-D masks inserted in a standard stable resonator. Thus phase locking by diffraction coupling can be achieved between separate emissions of the laser.
© 1988 Optical Society of America
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