High-power diode-pumped fiber laser operating at 3 μm

Jianfeng Li; Darren D. Hudson; Stuart D. Jackson

doi:10.1364/OL.36.003642

High-power diode-pumped fiber laser operating at 3 μm

Jianfeng Li, Darren D. Hudson, Stuart D. Jackson

Research output: Contribution to journal › Article › peer-review

Abstract

A high-power diode-cladding-pumped Ho-doped fluoride glass fiber laser operating in cascade mode is demonstrated. The ⁵|₆ -> ⁵|₇ and ⁵|₇ -> ⁵|₈ laser transitions produced 0:77W at a measured slope efficiency of 12.4% and 0:24Wat a measured slope efficiency of 5.2%, respectively. Using a long fiber length, which forced a large threshold for the ⁵|₇ -> ⁵|₈ transition, a wavelength of 3:002 µm was measured at maximum output power, making this system the first watt-level fiber laser operating in the mid-IR.

Original language	English
Pages (from-to)	3642-3644
Number of pages	3
Journal	Optics Letters
Volume	36
Issue number	18
DOIs	https://doi.org/10.1364/OL.36.003642
Publication status	Published - 15 Sept 2011

Bibliographical note

© 2011 Optical Society of America
This paper was published in Optics letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OL.36.003642. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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High-power diode-pumped fiber laser operating at 3 μm

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