, Volume 93, Issue 4, pp 817-822
Date: 16 Oct 2008

First investigations on an Er3+:YAG SSHCL

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First results on a diode-pumped Er3+:YAG solid-state heat-capacity laser (SSHCL) are reported. The laser achieves an output power of >70 W and could be operated for >2 s, currently limited by the available pump power with respect to the temperature dependent threshold. The experimental results are in good agreement with the spectroscopically expected performance, predicting high-power kW-class operability of an Er3+:YAG SSHCL. The presented work is believed to be the first Er3+:YAG SSHCL investigated.