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High-power in-band pumped Er:YAG laser at 1617 nm

High-power in-band pumped Er:YAG laser at 1617 nm
High-power in-band pumped Er:YAG laser at 1617 nm
High-power room-temperature operation of an Er:YAG laser at 1617 nm in-band pumped by a cladding-pumped Er,Yb fiber laser at 1532 nm is reported. The Er:YAG laser yielded 31 W of continuous-wave output in a beam with M2.2.2 for 72 W of incident pump power. The threshold pump power was 4.1 W and the slope efficiency with respect to incident pump power was ~47 %. The influence of erbium doping level and resonator design on laser performance is discussed, and the prospects for further increase in output power and improvement in lasing efficiency are considered.
1094-4087
5807-5812
Kim, J.W.
43f1b0c3-5a59-4449-a56a-386668bd061a
Shen, D.Y.
f9a1bd01-6f5c-428a-83fb-3a8b2dadbaad
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Kim, J.W.
43f1b0c3-5a59-4449-a56a-386668bd061a
Shen, D.Y.
f9a1bd01-6f5c-428a-83fb-3a8b2dadbaad
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2

Kim, J.W., Shen, D.Y., Sahu, J.K. and Clarkson, W.A. (2008) High-power in-band pumped Er:YAG laser at 1617 nm. Optics Express, 16 (8), 5807-5812. (doi:10.1364/OE.16.005807).

Record type: Article

Abstract

High-power room-temperature operation of an Er:YAG laser at 1617 nm in-band pumped by a cladding-pumped Er,Yb fiber laser at 1532 nm is reported. The Er:YAG laser yielded 31 W of continuous-wave output in a beam with M2.2.2 for 72 W of incident pump power. The threshold pump power was 4.1 W and the slope efficiency with respect to incident pump power was ~47 %. The influence of erbium doping level and resonator design on laser performance is discussed, and the prospects for further increase in output power and improvement in lasing efficiency are considered.

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Published date: 10 April 2008

Identifiers

Local EPrints ID: 52039
URI: https://eprints.soton.ac.uk/id/eprint/52039
ISSN: 1094-4087
PURE UUID: 5f48f4b0-00d7-42a9-ba22-7265deffa65a

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Date deposited: 09 Jun 2008
Last modified: 28 Aug 2019 17:48

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Contributors

Author: J.W. Kim
Author: D.Y. Shen
Author: J.K. Sahu
Author: W.A. Clarkson

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