Analysis of activation of active double-clad optical fibers in geometrical optics approximation

Jacek Swiderski; P. Konieczny; Andrzej S. Zajac; Marek Skorczakowski; P. Nyga

doi:10.1117/12.568912

22 July 2004 Analysis of activation of active double-clad optical fibers in geometrical optics approximation

Jacek Swiderski, P. Konieczny, Andrzej S. Zajac, Marek Skorczakowski, P. Nyga

Proceedings Volume 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II; (2004) https://doi.org/10.1117/12.568912
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, 2003, Wilga, Poland

Abstract

Problems related to optical activation of high-power fiber lasers are presented in this work. Double-clad fiber lasers with different cross sections of inner clad are discussed. The authors of this study have presented an alternative attempt at analyzing the problems touched upon. In this paper a computer program allowing visualization of the path of the light rays in geometrical optics approximation is presented. This program visualizes a trajectory of the light rays along the fiber and the result is the graphic presentation of distribution of radiation transmitted along the fiber (on cutting plane of the fiber). Circle, stadium and D-shaped clads were considered. The results of the analyses carried out clearly indicate unquestionable superiority of D-shaped and stadium-shaped fibers over fibers with circular cross section, when the efficiency of activation is taken into account.

Citation Download Citation

Jacek Swiderski, P. Konieczny, Andrzej S. Zajac, Marek Skorczakowski, and P. Nyga "Analysis of activation of active double-clad optical fibers in geometrical optics approximation", Proc. SPIE 5484, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments II, (22 July 2004); https://doi.org/10.1117/12.568912

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