Jacques Arnaud, A. Barthelemy 

Electronics Letters, Volume 16, Issue 5, 28 February 1980, pp. 193 – 195

ABSTRACT

A new powerful numerical technique is proposed that quickly gives the propagation constants, group velocities and caustics of modes with specified numbers in multimode fibres of arbitrary 2-dimensional index profiles. This method is based on the adiabatic approximation of ray optics.

LIEN VERS  L’ARTICLE : ADIABATIC METHOD FOR FIBERS WITH NONSEPARABLE INDEX PROFILES LASERS