Abstract
Welds produced on pure aluminum targets using pulsed Nd:YAG lasers can be accurately described using a relatively simple conduction mode heat transfer model provided that the fraction of laser energy absorbed is known and the amount of metal vaporization is small.1 However, at laser fluences commonly used in many production welding schedules, significant metal vaporization occurs producing a dense luminescent plume of metal vapor.
© 1985 Optical Society of America
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