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

doi:10.1063/1.2338284

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

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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 language	English
Article number	093103
Pages (from-to)	093103-1-093103-5
Number of pages	5
Journal	Review of Scientific Instruments
Volume	77
Issue number	9
DOIs	https://doi.org/10.1063/1.2338284
Publication status	Published - 2006

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

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.",

author = "Baer, {David J.} and Marshall, {Graham D.} and Coutts, {David W.} and Mildren, {Richard P.} and Withford, {Michael J.}",

year = "2006",

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AU - Coutts, David W.

AU - Mildren, Richard P.

AU - Withford, Michael J.

PY - 2006

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AB - 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.

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

Abstract

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