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Proceedings Paper

Design and simulation of flat-top microstructure fiber
Author(s): Chengjing Wu; RongXia Liu; Yan Xu
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Paper Abstract

In order to reduce the nonlinear effects in optical fiber effectively and make energy output of the light beam much more uniformly, a flat-top beam-shaping device based on micro-structured optical fiber (MOF) has been designed in this paper. Output of flat-top fundamental mode is realized by introducing a low refractive index inner core in the refraction-guiding MOF. Based on this principle, output performance of flat-top MOF is simulated and alayzed with the Rsoft. The structure parameters of the flat-top MOF are obtained after optimization, and the diameter of the corresponding mode field is 10.37 μm and the defect degree is 0.16%. These results show that the flat-top fundamental mode with large mode area can be carried out in the designed MOF, and moreover, they also provide theoretical basis for the fabrication of the flat-top MOF.

Paper Details

Date Published: 19 February 2015
PDF: 7 pages
Proc. SPIE 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014), 94491U (19 February 2015); doi: 10.1117/12.2071047
Show Author Affiliations
Chengjing Wu, Xi'an Technological Univ. (China)
RongXia Liu, Xi'an Technological Univ. (China)
Yan Xu, Changchun Institute of Optics, Fine Mechanics and Physics (China)

Published in SPIE Proceedings Vol. 9449:
The International Conference on Photonics and Optical Engineering (icPOE 2014)
Ailing Tian; Anand Asundi; Weiguo Liu; Chunmin Zhang, Editor(s)

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