Coupled-cavity concept applied to a highly compact single-frequency laser operating in the $\mathsf{2}\mathsf{\mu m}$ spectral region

Abstract

We present a highly compact and cost-efficient Tm:YAP laser setup supporting single-frequency operation at a significantly high efficiency. The coupled-cavity concept was used to design a single- frequency laser operating at $1990\mathrm{nm}$. Single-frequency output power of $784\mathrm{mW}$ was obtained when the absorbed pumping power was $2.4\mathrm{W}$. The optical-to-optical efficiency was 33%, and the slope efficiency was 52%.

© 2011 Optical Society of America

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