Abstract

We present a new method to control the power of individual spectral components of a multicolor laser by mirrors with variable air gaps and by a composite resonator configuration. We demonstrate a Pr/Yb-ZBLAN fiber laser with arbitrary spectral composition of three simultaneously emitted components at $492\mathrm{nm}$, $520\mathrm{nm}$, and $635\mathrm{nm}$. With $100\mathrm{mW}$ pump power at $850\mathrm{nm}$ launched into the fiber, the total laser output exceeds $10\mathrm{mW}$.

© 2010 Optical Society of America

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