Abstract

A pumping chamber for a diode-pumped Nd:YAG rod laser was developed. The pumping beam from a linear diode laser was incident on the rod from a single side. A planar-concave window was installed in front of the diode laser to expand the divergence angle of the emitted beam. The Nd:YAG rod was cooled by using a circulating coolant that flowed through the cooling tube. Due to the planar-concave window, even with a single-side pumping geometry, the uniformity of the pump beam’s distribution in the Nd:YAG rod was improved.

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