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Proceedings Paper

Effects of pulse timing parameters on bulk erbium laser operation in the eyesafe region
Author(s): E. Georgiou; N. Lazarides; O. Musset; J. P. Boquillon
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Paper Abstract

Diode-pumping with appropriately modulated pulses is used to expose subtle input / output pulse-timing characteristics of Er3+:Yb3+-codoped systems, particularly Er3+:Yb3+:glass and Er3+:Yb3+:YAG, and study their relation to laser efficiency. In free-running operation, these systems may persist to lase for uncommonly long time periods (up to a ms) after the pump stops. In Q-switched operation, maximum laser output is obtained only if Q-switching is purposely delayed for some significant additional time (typically 50-500μs) following the end of the pump pulse. Furthermore, pump-pulse duration affects profoundly the Er3+:Yb3+-laser output performance, especially in Q-switched mode. Numerical modeling simulations are presented, accounting for the observed effects and extrapolating them to novel regimes of Er3+:Yb3+-laser operation.

Paper Details

Date Published: 22 April 2008
PDF: 8 pages
Proc. SPIE 6998, Solid State Lasers and Amplifiers III, 69980S (22 April 2008); doi: 10.1117/12.781020
Show Author Affiliations
E. Georgiou, Technological Educational Institute of Crete (Greece)
N. Lazarides, Technological Educational Institute of Crete (Greece)
O. Musset, Institut Carnot de l'Univ. de Bourgogne (France)
J. P. Boquillon, Institut Carnot de l'Univ. de Bourgogne (France)

Published in SPIE Proceedings Vol. 6998:
Solid State Lasers and Amplifiers III
Jonathan A. Terry; Thomas Graf; Helena Jelínková, Editor(s)

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