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Proceedings Paper

Self-efficiency improvement and cooling in thulium-doped fibers
Author(s): Cesar Jauregui; Fabian Stutzki; Jens Limpert; Andreas Tünnermann
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Paper Abstract

A way to increase the efficiency of Thulium-doped fiber systems and simultaneously prevent the generation of heat by pumping the excited state around 1460nm has been recently proposed by the authors. In this contribution we show that a Thulium-doped fiber amplifier can lase around 1460nm while simultaneously amplifying signals around ~2μm. Such an operation results in considerably higher amplification efficiencies and in lower operating temperatures without the need for an external pump around 1460nm.

Paper Details

Date Published: 4 March 2015
PDF: 6 pages
Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93441Q (4 March 2015); doi: 10.1117/12.2076405
Show Author Affiliations
Cesar Jauregui, Friedrich-Schiller-Univ. Jena (Germany)
Fabian Stutzki, Friedrich-Schiller-Univ. Jena (Germany)
Jens Limpert, Friedrich-Schiller-Univ. Jena (Germany)
Helmholtz-Institute Jena (Germany)
Andreas Tünnermann, Friedrich-Schiller-Univ. Jena (Germany)
Helmholtz-Institute Jena (Germany)
Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)


Published in SPIE Proceedings Vol. 9344:
Fiber Lasers XII: Technology, Systems, and Applications
L. Brandon Shaw, Editor(s)

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