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Conferences > OECC > 1996 > 16C2 > 16C2.1
  • First Optoelectronics and Communications Conference
  • Technical Digest Series (Optica Publishing Group, 1996),
  • paper 16C2.1

Highly Efficient Double-Clad Fibre Laser using Elliptical Inner- Cladding with Near-Parabolic Index Profile

W. L. R. Perera, A. Ankiewicz, D. A. C. C. Jayasinghe, and P. L. Chu

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Abstract

An elliptical inner-cladding with a near-parabolic index profile is proposed for double-clad fibre lasers (DCFL) to improve the pump coupling from diode-arrays. This novel geometry not only improves the usable fraction of pump light launched, but also prevents the bound-rays from reaching the lossy inner-clad/outer-clad interface.

© 1996 IEICE

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