Abstract
The geometrical optics theory of unstable resonators has recently been broadened to include nonuniform magnification.1 An important possible application of such resonators is for lasers with nonuniform gain profiles. Here a simple saturable gain model is used to analyze the effect of nonuniform gain profiles on the geometric modes of unstable resonators including those with nonuniform magnification. Thus a comparison of the predicted performance of both uniform and nonuniform magnification resonators is made, such comparison serving as a guide in selecting the most advantageous resonator design for a given gain profile.
© 1985 Optical Society of America
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