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Creation of a sharper focus by using a rectified TEMp0 beam

✍ Scribed by A. Hasnaoui; A. Bencheikh; M. Fromager; E. Cagniot; K. Aït-Ameur


Book ID
103874832
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
379 KB
Volume
284
Category
Article
ISSN
0030-4018

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Laser drilling is one of the basic, most frequently performed, material removal processes. The drilling aspect ratio is theoretically limited by the size and the focal depth of the machining laser spot. The aspect ratio can be improved by using dual focus. In this paper we describe a focus of two di