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Proceedings Paper

Rate equations for an erbium laser system: a numerical approach
Author(s): Florin C. Maciuc; Costin I. Stere; Andreea-Rodica P. Sterian
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Paper Abstract

In our work, we develop a numerical model for studding the variation of phenomenological and optical parameters in an Er+3 system of 6 excited levels that is subject to a lasing condition. The model is using a four order Runge- Kutta method to solve a system of eight time-dependent variables. The simulations, based on the change of pumping wavelength, prove that the highest efficiency is reached for a 970 nm pump wavelength, concordant with the existing literature results. Different processes, including: three ion-ion up-conversion processes, two pumping processes and the inherent spontaneous transition, are considered.

Paper Details

Date Published: 29 June 2001
PDF: 11 pages
Proc. SPIE 4430, ROMOPTO 2000: Sixth Conference on Optics, (29 June 2001); doi: 10.1117/12.432832
Show Author Affiliations
Florin C. Maciuc, Univ. Politehnica Bucharest (Romania)
Costin I. Stere, Univ. Politehnica Bucharest (Romania)
Andreea-Rodica P. Sterian, Univ. Politehnica Bucharest (Romania)

Published in SPIE Proceedings Vol. 4430:
ROMOPTO 2000: Sixth Conference on Optics
Valentin I. Vlad, Editor(s)

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