TY - JOUR AU - He, Chao AU - Bühring, Jannik AU - Gillner, Arnold TI - Helical drilling of three-dimensional conical converging-diverging nozzle in steel using ultrashort laser pulses JO - Procedia CIRP VL - 74 SN - 2212-8271 CY - Amsterdam [u.a.] PB - Elsevier M1 - RWTH-2018-227742 SP - 305-309 PY - 2018 T2 - 10. CIRP Conference on Photonic Technologies CY - 3 Sep 2018 - 6 Sep 2018, Fürth (Germany) Y2 - 3 Sep 2018 - 6 Sep 2018 M2 - Fürth, Germany LB - PUB:(DE-HGF)16 ; PUB:(DE-HGF)8 UR - <Go to ISI:>//WOS:000548219200064 DO - DOI:10.1016/j.procir.2018.08.120 UR - https://publications.rwth-aachen.de/record/731831 ER -