Dysprosium-doped ZBLAN fiber laser tunable from 2.8 μm to 3.4 μm, pumped at 1.7 μm

Matthew R. Majewski, Robert I. Woodward, Stuart D. Jackson

Research output: Contribution to journalArticleResearchpeer-review

Abstract

We demonstrate a mid-infrared dysprosium-doped fluoride fiber laser with a continuously tunable output range of 573 nm, pumped by a 1.7 μm Raman fiber laser. To the best of our knowledge, this represents the largest tuning range achieved to date from any rare-earth-doped fiber laser and, critically, spans the 2.8–3.4 μm spectral region, which contains absorption resonances of many important functional groups and is uncovered by other rare-earth ions. Output powers up to 170 mW are achieved, with 21% slope efficiency. We also discuss the relative merits of the 1.7 μm pump scheme, including possible pump excited-state absorption.

LanguageEnglish
Pages971-974
Number of pages4
JournalOptics Letters
Volume43
Issue number5
DOIs
Publication statusPublished - 1 Mar 2018

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dysprosium
fiber lasers
rare earth elements
pumps
Raman lasers
output
fluorides
tuning
slopes
excitation
ions

Cite this

Majewski, Matthew R. ; Woodward, Robert I. ; Jackson, Stuart D. / Dysprosium-doped ZBLAN fiber laser tunable from 2.8 μm to 3.4 μm, pumped at 1.7 μm. In: Optics Letters. 2018 ; Vol. 43, No. 5. pp. 971-974.
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abstract = "We demonstrate a mid-infrared dysprosium-doped fluoride fiber laser with a continuously tunable output range of 573 nm, pumped by a 1.7 μm Raman fiber laser. To the best of our knowledge, this represents the largest tuning range achieved to date from any rare-earth-doped fiber laser and, critically, spans the 2.8–3.4 μm spectral region, which contains absorption resonances of many important functional groups and is uncovered by other rare-earth ions. Output powers up to 170 mW are achieved, with 21{\%} slope efficiency. We also discuss the relative merits of the 1.7 μm pump scheme, including possible pump excited-state absorption.",
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Dysprosium-doped ZBLAN fiber laser tunable from 2.8 μm to 3.4 μm, pumped at 1.7 μm. / Majewski, Matthew R.; Woodward, Robert I.; Jackson, Stuart D.

In: Optics Letters, Vol. 43, No. 5, 01.03.2018, p. 971-974.

Research output: Contribution to journalArticleResearchpeer-review

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