کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9699594 | 1461748 | 2005 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Time-resolved techniques as probes for the laser ablation process
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی برق و الکترونیک
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Time-resolved ns-surface interferometry of a specially designed triazene polymer reveals that the surface morphology changes and thereby the surface removal occurs only during the laser pulse. Ns-shadowgraphy is used to observe the shockwave and the plume of fragments, which are generated during laser ablation. A comparison of the ablation properties of an energetic polymer at two different wavelengths (1064 and 193Â nm) shows that the ejection of non-gaseous fragments (solid or liquid) is only detected after irradiation with 1064Â nm. At higher laser fluences, plasma is formed, and the atomic (H), and diatomic species (CN, CH and C2) are identified.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics and Lasers in Engineering - Volume 43, Issues 3â5, MarchâMay 2005, Pages 545-556
Journal: Optics and Lasers in Engineering - Volume 43, Issues 3â5, MarchâMay 2005, Pages 545-556
نویسندگان
Marc Hauer, D.J. Funk, T. Lippert, A. Wokaun,