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Characterization of coupling power for single-mode fiber fusion

Saktioto, T. and Ali, J. and Yupapin, P. P. and Fadhali, M. (2010) Characterization of coupling power for single-mode fiber fusion. Optik - International Journal for Light and Electron Optics, 121 (19). pp. 1802-1806. ISSN 00304026

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Official URL: http://dx.doi.org/10.1016/j.ijleo.2009.04.019

Abstract

Fabrication of single-mode fiber coupler by heating fibers on a flame is very common and popular. However, controlling the input and the output power quantities of the fiber coupling process is neither easy nor similar. Power losses occur at the coupling length as the effect of the geometry and structure of fibers during and after fusion. In application, the power losses will affect sensor devices, e.g. optical switch. This paper proposes power splitting into the second fiber junction as a new model by deriving and integrating the coupling power with two conditions of refractive index changes. First is the change in the vertical part and second is the change in the vertical and the horizontal parts. Both conditions are studied by perpendicular and parallel directions of coupling power. The model is examined with a linear change of refractive index where power absorption and reflection are accumulated by power losses. The result shows that power increases as the effect of losses by simulation. These power losses are lost by radiation out of cladding and fiber heating.

Item Type:Article
Uncontrolled Keywords:coupling coefficient, coupling power, power losses, single-mode fiber
Subjects:Q Science > Q Science (General)
T Technology > T Technology (General)
Divisions:Science
ID Code:13227
Deposited By: S.N.Shahira Dahari
Deposited On:25 Jul 2011 09:58
Last Modified:25 Jul 2011 09:58

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