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Proceedings Paper

Study on the non-paraxial beam parameters of single-mode fiber
Author(s): Lianhuang Li; Fuyuan Guo
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Paper Abstract

Based on the non-paraxial vectorial moment theory of light beam propagation and waveguide mode theory, the beam parameters of single-mode fiber including mode-field radius, divergence half-angle and beam propagation factor are analyzed and calculated. Especially, the results of beam propagation factor show that if both the core and cladding layer fields are considered, M2>1 is always obtained and neglect of the cladding layer field will lead to M2<1. These conclusions may be useful for further research on beam quality of fiber laser beam.

Paper Details

Date Published: 2 December 2010
PDF: 6 pages
Proc. SPIE 7851, Information Optics and Optical Data Storage, 78510V (2 December 2010); doi: 10.1117/12.870605
Show Author Affiliations
Lianhuang Li, Fujian Normal Univ. (China)
Fuyuan Guo, Fujian Normal Univ. (China)


Published in SPIE Proceedings Vol. 7851:
Information Optics and Optical Data Storage
Feijun Song; Shiquan Tao; Francis T. S. Yu; Suganda Jutamulia; Kees A. Schouhamer Immink; Keiji Shono, Editor(s)

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