Diode Pumping of a Solid-State Laser Rod by a Two-Dimensional CPC-Elliptical Cavity with Intervening Optics

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Abstract

The pump radiation from a large area two-dimensional stack is concentrated into a cylindrical intervening optics by a first-satge 2D-CPC concentrator. The compressed radiation from the intervening optics is then efficiently coupled into a laser rod by a second-stage 2D-elliptical pump cavity. Depending on the width of the pump source, optimized mounting position is found through a non-sequential ray-tracing analysis. By comparing with the performances of a 2D-CPC-CPC cavity, significant improvements in both absorption efficiency and absorption distribution are achieved by a 2D-CPC-EL cavity. The asymmetric pumping scheme constitutes also an effective alternative to conventional symmetric pumping approaches
Original languageUnknown
Pages (from-to)104-115
JournalOptics Communications
Volume275
Issue numberNA
DOIs
Publication statusPublished - 1 Jan 2007

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