3-Dimensional thermal analysis and active cooling of short-length high-power fiber lasers

L. Li, H. Li, T. Qiu, Valery L Temyanko, M. M. Morrell, A. Schülzgen, A. Mafi, Jerome V Moloney, Nasser N Peyghambarian

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

A fully 3-dimensional finite element model has been developed that simulates the internal temperature distribution of short-length high-power fiber lasers. We have validated the numerical model by building a short, cladding-pumped, Er-Yb-codoped fiber laser and measuring the core temperature during laser operation. A dual-end-pumped, actively cooled, fiber laser has generated >11 W CW output power at 1535 nm from only 11.9 cm of active fiber. Simulations indicate power-scaling possibilities with improved fiber and cooling designs.

Original languageEnglish (US)
Pages (from-to)3420-3428
Number of pages9
JournalOptics Express
Volume13
Issue number9
DOIs
StatePublished - May 2 2005

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high power lasers
fiber lasers
thermal analysis
cooling
fibers
temperature distribution
scaling
output
lasers
simulation
temperature

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

3-Dimensional thermal analysis and active cooling of short-length high-power fiber lasers. / Li, L.; Li, H.; Qiu, T.; Temyanko, Valery L; Morrell, M. M.; Schülzgen, A.; Mafi, A.; Moloney, Jerome V; Peyghambarian, Nasser N.

In: Optics Express, Vol. 13, No. 9, 02.05.2005, p. 3420-3428.

Research output: Contribution to journalArticle

Li, L. ; Li, H. ; Qiu, T. ; Temyanko, Valery L ; Morrell, M. M. ; Schülzgen, A. ; Mafi, A. ; Moloney, Jerome V ; Peyghambarian, Nasser N. / 3-Dimensional thermal analysis and active cooling of short-length high-power fiber lasers. In: Optics Express. 2005 ; Vol. 13, No. 9. pp. 3420-3428.
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