Comparison of laser performance for diode-pumped Tm:YLF of various doping concentrations
Comparison of laser performance for diode-pumped Tm:YLF of various doping concentrations
Single-end-pumped laser performance of 2, 4, and 6at.% Tm-doped YLF rods is reported. For the pumping configuration employed, crystal fracture was observed to occur for a thermal load per unit absorption length of ~13W/cm. The 2at.% Tm-doped crystal was found to have a quantum yield of ~90% of that of 4at.% Tm. However, due to a lower thermal loading density, the maximum possible incident pump power is predicted to be >60% higher, hence offering a greater output power per rod for the lower doping concentration. Power scaling considerations are discussed with reference to cross-relaxation, upconversion, and thermal loading of the host crystal.
202-207
Mackenzie, J.I.
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So, S.
160ee139-f4ca-45a4-8ed9-a24c9d7b3f9b
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
6 February 2005
Mackenzie, J.I.
1d82c826-fdbf-425b-ac04-be43ccf12008
So, S.
160ee139-f4ca-45a4-8ed9-a24c9d7b3f9b
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Mackenzie, J.I., So, S., Shepherd, D.P. and Clarkson, W.A.
(2005)
Comparison of laser performance for diode-pumped Tm:YLF of various doping concentrations.
In Advanced Solid-State Photonics (TOPS).
OSA.
.
(doi:10.1364/ASSP.2005.202).
Record type:
Conference or Workshop Item
(Paper)
Abstract
Single-end-pumped laser performance of 2, 4, and 6at.% Tm-doped YLF rods is reported. For the pumping configuration employed, crystal fracture was observed to occur for a thermal load per unit absorption length of ~13W/cm. The 2at.% Tm-doped crystal was found to have a quantum yield of ~90% of that of 4at.% Tm. However, due to a lower thermal loading density, the maximum possible incident pump power is predicted to be >60% higher, hence offering a greater output power per rod for the lower doping concentration. Power scaling considerations are discussed with reference to cross-relaxation, upconversion, and thermal loading of the host crystal.
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Published date: 6 February 2005
Venue - Dates:
Advanced Solid-State Photonics (ASSP) 2005, , Vienna, Austria, 2005-02-06 - 2005-02-09
Identifiers
Local EPrints ID: 46909
URI: http://eprints.soton.ac.uk/id/eprint/46909
PURE UUID: 92004dd7-c525-48a6-b5fd-8e191cef9ae8
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Date deposited: 14 Mar 2008
Last modified: 17 Mar 2024 02:51
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Contributors
Author:
J.I. Mackenzie
Author:
S. So
Author:
D.P. Shepherd
Author:
W.A. Clarkson
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