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Development of resonantly cladding-pumped holmium-doped fibre lasers

Development of resonantly cladding-pumped holmium-doped fibre lasers
Development of resonantly cladding-pumped holmium-doped fibre lasers
The resonant pumping of holmium fibre lasers provides a fibre laser platform capable of addressing a wide range of applications that benefit from operation at wavelengths beyond 2.1 μm. This architecture can provide laser devices that promise high efficiency sources in the 2.1 μm spectral region with excellent beam quality and power scalability. This paper presents our recent results of resonantly pumped pulsed and CW holmium fibre lasers. We have demonstrated the first efficient resonantly cladding-pumped holmium fibre laser source. We have investigated both single mode and large mode area fibres and achieved CW output powers of ~140 W with excellent beam quality. In addition to these CW lasers we have investigated core-pumped, pulsed holmium fibre lasers and demonstrated output energies of up to 16 μJ at a repetition rate of up to 600 kHz. These developments provide an opportunity to build a high average power, pulsed 2.1 μm laser for the purpose of power scaling future mid-infrared sources.
Fibre Laser, Mid-IR, Holmium, Thulium
0277-786X
Hemming, Alexander
2f1ab4dc-cda5-4e5e-be44-c8365a0f2345
Bennetts, Shayne
65811d6c-6650-4f6d-8c60-5e00c500561f
Simakov, Nikita
984eef10-d13b-4cc6-852f-bcc58b432832
Haub, John
38366a29-41e6-4aae-893d-a56386bdfea3
Carter, Adrian
e8f1e92e-cef0-4f6f-8257-1963361f2340
Hemming, Alexander
2f1ab4dc-cda5-4e5e-be44-c8365a0f2345
Bennetts, Shayne
65811d6c-6650-4f6d-8c60-5e00c500561f
Simakov, Nikita
984eef10-d13b-4cc6-852f-bcc58b432832
Haub, John
38366a29-41e6-4aae-893d-a56386bdfea3
Carter, Adrian
e8f1e92e-cef0-4f6f-8257-1963361f2340

Hemming, Alexander, Bennetts, Shayne, Simakov, Nikita, Haub, John and Carter, Adrian (2012) Development of resonantly cladding-pumped holmium-doped fibre lasers. Proceedings of SPIE, 8237, [82371J]. (doi:10.1117/12.909458).

Record type: Article

Abstract

The resonant pumping of holmium fibre lasers provides a fibre laser platform capable of addressing a wide range of applications that benefit from operation at wavelengths beyond 2.1 μm. This architecture can provide laser devices that promise high efficiency sources in the 2.1 μm spectral region with excellent beam quality and power scalability. This paper presents our recent results of resonantly pumped pulsed and CW holmium fibre lasers. We have demonstrated the first efficient resonantly cladding-pumped holmium fibre laser source. We have investigated both single mode and large mode area fibres and achieved CW output powers of ~140 W with excellent beam quality. In addition to these CW lasers we have investigated core-pumped, pulsed holmium fibre lasers and demonstrated output energies of up to 16 μJ at a repetition rate of up to 600 kHz. These developments provide an opportunity to build a high average power, pulsed 2.1 μm laser for the purpose of power scaling future mid-infrared sources.

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More information

Published date: 2012
Venue - Dates: Photonics West 2012, , San Francisco, United States, 2012-01-21 - 2012-01-26
Keywords: Fibre Laser, Mid-IR, Holmium, Thulium

Identifiers

Local EPrints ID: 415561
URI: http://eprints.soton.ac.uk/id/eprint/415561
ISSN: 0277-786X
PURE UUID: e3ec3847-7979-4021-9c30-a8217499c4f0

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Date deposited: 15 Nov 2017 17:30
Last modified: 15 Mar 2024 16:53

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Contributors

Author: Alexander Hemming
Author: Shayne Bennetts
Author: Nikita Simakov
Author: John Haub
Author: Adrian Carter

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