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

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

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


    Diode-pumping with appropriately modulated pulses is used to expose subtle input / output pulse-timing characteristics of Er3+:Yb 3+-codoped systems, particularly Er3+:Yb 3+: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.

    Original languageBritish English
    Title of host publicationSolid State Lasers and Amplifiers III
    StatePublished - 2008
    EventSolid State Lasers and Amplifiers III - Strasbourg, France
    Duration: 8 Apr 200810 Apr 2008

    Publication series

    NameProceedings of SPIE - The International Society for Optical Engineering
    ISSN (Print)0277-786X


    ConferenceSolid State Lasers and Amplifiers III


    • Diode-pumped laser
    • Er:Yb:glass
    • Er:Yb:YAG
    • Erbium laser
    • Eyesafe laser
    • Eyesafe wavelength
    • Free-running laser
    • Laser-pulse emission delay
    • Q-switched laser
    • Ytterbium sensitizer


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