Simple method enabling pulse on command from high power, high frequency lasers

David J. Baer*, Graham D. Marshall, David W. Coutts, Richard P. Mildren, Michael J. Withford

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)
    6 Downloads (Pure)

    Abstract

    A method for addressing individual laser pulses in high repetition frequency systems using an intracavity optical chopper and novel electronic timing system is reported. This "pulse on command" capability is shown to enable free running and both subharmonic pulse rate and burst mode operation of a high power, high pulse frequency copper vapor laser while maintaining a fixed output pulse energy. We demonstrate that this technique can be used to improve feature finish when laser micromachining metal.

    Original languageEnglish
    Article number093103
    Pages (from-to)093103-1-093103-5
    Number of pages5
    JournalReview of Scientific Instruments
    Volume77
    Issue number9
    DOIs
    Publication statusPublished - 2006

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