Hannover 2020 – wissenschaftliches Programm
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K: Fachverband Kurzzeit- und angewandte Laserphysik
K 4: Poster
K 4.7: Poster
Dienstag, 10. März 2020, 16:30–18:30, f428
Detection and safety precautions of generated X-ray during laser material processing — •Zulqarnain Sheikh1,2, Uwe Morgner1,2, and Milutin Kovacev1,2 — 1Institut für Quantenoptik, Leibniz Universität Hannover, Welfengarten 1, 30167 Hannover — 2Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering - Innovation AcrossDisciplines), Hannover, Germany
The global market for laser material processing systems is rapidly increasing over the past few years[1]. From laser cutting to laser drilling and laser marking, high power ultrashort pulse lasers are versatile tool for production. Plasma generation during laser processing with ultrashort laser pulses puts the risk of unwanted X-ray radiation in the range of several kilo electron volts. We performed experiments to detect the generated X-rays(soft and hard X-rays between 200eV to 10,000eV) using X-ray camera while processing different solid materials and investigate the exposure safety limits[1,2].
[1] Legall et al., (2018) Applied Physics A, 124(6), 407.
[2] De Bruijn et al., U.S. Patent No. 7,755,070. 13 Jul. 2010.