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The transient evolution of AM mode locking a TEA CO2laser

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3 Author(s)
Goor, F. ; Twente University of Technology, Enschede, The Netherlands ; Bonnie, R. ; Witteman, W.J.

The evolution of the pulse in an AM mode-locked TEA CO2laser has been investigated. The experiments have been performed by injecting the mode-locked pulses in a high-pressure slave oscillator at various time intervals after the initiation of the mode-lock process. This technique allows the measurements of the pulse widths independent on the pulse energies. A numerical solution of a dynamic model for the mode-locking process accurately predicts the transient evolution. It is shown that the build-up time to reach steady state can be, depending on the modulation depth, considerably larger than the duration of the pulse train.

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Quantum Electronics, IEEE Journal of  (Volume:21 ,  Issue: 11 )