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47-W 1726-nm operation of a thulium fiber laser pumped in-band by an erbium-only fiber laser

47-W 1726-nm operation of a thulium fiber laser pumped in-band by an erbium-only fiber laser
47-W 1726-nm operation of a thulium fiber laser pumped in-band by an erbium-only fiber laser
A route to high power continuous-wave generation around 1.7 µm has been explored using an Er-only doped LMA fiber laser for high brightness core pumping of a thulium-doped fiber laser (TDFL). The maximum output power of 47 W with a slope efficiency of 80% was achieved at 1726 nm which, to the author’s best knowledge, is the highest recorded power in this wavelength region from a TDFL. The motivation for an Er-only pump source is scalability; these results show that this configuration has significant potential for further power scaling towards hundred-watt class systems at 1.7 µm and beyond.
1996-756X
SPIE
Burns, Mark
7f7ca346-f31a-46cf-a848-acb4bcae18b9
Shardlow, Peter
9ca17301-8ae7-4307-8bb9-371df461520c
Barua, Pranabesh
ab53bdd9-e00f-46b0-b4f4-5ab6534fe8a6
Jefferson-Brain, Thomas, Lewis
8bce2a02-37a4-4277-a8cb-0c40bde57837
Sahu, Jayanta K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, William A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Burns, Mark
7f7ca346-f31a-46cf-a848-acb4bcae18b9
Shardlow, Peter
9ca17301-8ae7-4307-8bb9-371df461520c
Barua, Pranabesh
ab53bdd9-e00f-46b0-b4f4-5ab6534fe8a6
Jefferson-Brain, Thomas, Lewis
8bce2a02-37a4-4277-a8cb-0c40bde57837
Sahu, Jayanta K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, William A.
3b060f63-a303-4fa5-ad50-95f166df1ba2

Burns, Mark, Shardlow, Peter, Barua, Pranabesh, Jefferson-Brain, Thomas, Lewis, Sahu, Jayanta K. and Clarkson, William A. (2020) 47-W 1726-nm operation of a thulium fiber laser pumped in-band by an erbium-only fiber laser. In Fiber Lasers XVII: Technology and Systems. vol. 11260, SPIE.. (doi:10.1117/12.2544933).

Record type: Conference or Workshop Item (Paper)

Abstract

A route to high power continuous-wave generation around 1.7 µm has been explored using an Er-only doped LMA fiber laser for high brightness core pumping of a thulium-doped fiber laser (TDFL). The maximum output power of 47 W with a slope efficiency of 80% was achieved at 1726 nm which, to the author’s best knowledge, is the highest recorded power in this wavelength region from a TDFL. The motivation for an Er-only pump source is scalability; these results show that this configuration has significant potential for further power scaling towards hundred-watt class systems at 1.7 µm and beyond.

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More information

Published date: 11 March 2020
Venue - Dates: SPIE LASE, 2020, San Francisco, California, United States<br/>, The Moscone Center, San Francisco, United States, 2020-02-02 - 2020-02-06

Identifiers

Local EPrints ID: 454779
URI: http://eprints.soton.ac.uk/id/eprint/454779
ISSN: 1996-756X
PURE UUID: 52158b6a-3b36-4b84-8f85-a53bab95326d
ORCID for Mark Burns: ORCID iD orcid.org/0000-0003-2039-6025
ORCID for Peter Shardlow: ORCID iD orcid.org/0000-0003-0459-0581
ORCID for Thomas, Lewis Jefferson-Brain: ORCID iD orcid.org/0000-0002-8838-5640
ORCID for Jayanta K. Sahu: ORCID iD orcid.org/0000-0003-3560-6152

Catalogue record

Date deposited: 23 Feb 2022 17:35
Last modified: 24 Feb 2022 02:42

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Contributors

Author: Mark Burns ORCID iD
Author: Peter Shardlow ORCID iD
Author: Pranabesh Barua
Author: Thomas, Lewis Jefferson-Brain ORCID iD
Author: Jayanta K. Sahu ORCID iD

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