Fundamental mode in advanced technology optical fibres by two-point quasi-rational approximations

  • Castro E
  • Martín P
  • Ladera C
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Abstract

An analytic approximant is found for the fundamental guided mode of advanced technology optical fibres using a two-point quasi-rational approximation method. Very accurate results are obtained particularly in the linearly varying refractive index core, the maximum error being less than 1 × 10-6. The fractional power transport across the fibre is also given. © 2006 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Fibre optics
  • Two-point quasi-rational approximations

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