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Analysis of activation of active double-clad optical fibers

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Author(s): Piotr Konieczny | Jacek Swiderski | Andrzej Zajac | Marek Skorczakowski

Journal: Optica Applicata
ISSN 0078-5466

Volume: 35;
Issue: 4;
Start page: 955;
Date: 2005;
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Keywords: high power fiber laser | double-clad optical fiber | pump absorption efficiency

ABSTRACT
The paper presents the analysis of double-clad optical fibers activation, used in fiber laser construction. The main focus was the research related to active fiber geometry influence on the value of an effective absorption efficiency coefficient – the parameter which is one of the main determinants of the total fiber laser efficiency. The whole analysis was conducted in geometrical optics approximation and wave-optical approach. The computer programs studied are a very helpful tool in selection of optimal parameters of active double-clad optical fibers.

Tango Jona
Tangokurs Rapperswil-Jona

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