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

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

Research output: Contribution to journalArticlepeer-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 languageEnglish
Pages (from-to)3642-3644
Number of pages3
JournalOptics Letters
Volume36
Issue number18
DOIs
Publication statusPublished - 15 Sep 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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