Effects of pulse timing parameters on bulk erbium laser operation in the eyesafe region

E. Georgiou; N. Lazarides; O. Musset; J. P. Boquillon

doi:10.1117/12.781020

22 April 2008 Effects of pulse timing parameters on bulk erbium laser operation in the eyesafe region

E. Georgiou, N. Lazarides, O. Musset, J. P. Boquillon

Proceedings Volume 6998, Solid State Lasers and Amplifiers III; 69980S (2008) https://doi.org/10.1117/12.781020
Event: SPIE Photonics Europe, 2008, Strasbourg, France

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.

Citation Download Citation

E. Georgiou, N. Lazarides, O. Musset, and J. P. Boquillon "Effects of pulse timing parameters on bulk erbium laser operation in the eyesafe region", Proc. SPIE 6998, Solid State Lasers and Amplifiers III, 69980S (22 April 2008); https://doi.org/10.1117/12.781020

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