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Proceedings Paper

A compact plasma pre-ionized TEA–CO2 laser pulse clipper for material processing
Author(s): Taieb Gasmi
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Paper Abstract

An extra-laser cavity CO2-TEA laser pulse clipper using gas breakdown techniques for high spatial resolution material processing and shallow material engraving and drilling processes is presented. Complete extinction of the nitrogen tail, that extends the pulse width, is obtained at pressures from 375 up to 1500 torr for nitrogen and argon gases. Excellent energy stability and pulse repeatability were further enhanced using high voltage assisted preionized plasma gas technique. Experimental data illustrates the direct correlation between laser pulse width and depth of engraving in aluminum and alumina materials.

Paper Details

Date Published: 1 August 2017
PDF: 6 pages
Proc. SPIE 10339, Pacific Rim Laser Damage 2017: Optical Materials for High-Power Lasers, 103390N (1 August 2017); doi: 10.1117/12.2269987
Show Author Affiliations
Taieb Gasmi, Saint Louis Univ.-Madrid (Spain)


Published in SPIE Proceedings Vol. 10339:
Pacific Rim Laser Damage 2017: Optical Materials for High-Power Lasers
Jianda Shao; Takahisa Jitsuno; Wolfgang Rudolph, Editor(s)

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