Efficient high power Yb 3+-silica fibre laser cladding-pumped at 1064 nm

A Yb 3+-silica fibre laser has been cladding pumped at 1064 nm by a Nd:YAG laser and operated with a slope efficiency of 72±5% with respect to the incident pump power, a total efficiency of 41% and at powers up to 3.7 W in a small scale device. The Yb 3+-silica double-clad fibre had a quasi-polygona...

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Bibliographic Details
Published inOptics communications Vol. 215; no. 4; pp. 381 - 387
Main Authors Tsang, Yuen H., King, Terry A., Thomas, Tristan, Udell, Christopher, Pierce, Mark C.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 2003
Subjects
Cladding pump
Double clad
Fibre laser
High efficiency fibre
High power fibre
Ytterbium
High efficiency fibre
High power fibre
Ytterbium
Double clad
Yb
Fibre laser
Cladding pump
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Summary:A Yb 3+-silica fibre laser has been cladding pumped at 1064 nm by a Nd:YAG laser and operated with a slope efficiency of 72±5% with respect to the incident pump power, a total efficiency of 41% and at powers up to 3.7 W in a small scale device. The Yb 3+-silica double-clad fibre had a quasi-polygonal sinusoidal inner cladding geometry giving high launch efficiency to the fibre and efficient transfer of pump light from the fibre cladding to the core.
ISSN:0030-4018
1873-0310
DOI:10.1016/S0030-4018(02)02241-1