Abstract
We report the first demonstration of a miniaturized mid-infrared all-fiber laser operating at 2.9 μm. The linear laser cavity consists of a 55 cm Ho3+:ZBLAN fiber, a home-made 1154 nm Raman fiber laser as pump source, and a fiber end-faced mirror as input mirror. Stable lasing at 2865 nm was achieved with the maximum output power of 67 mW and a slope efficiency of ~48.9%.
© 2018 The Author(s)
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