caa a22 4500 463212975 CHVBK 20180405153147.0 cr unu---uuuuu 170326e20071201xx s 000 0 eng 10.1007/s00339-007-4203-6 doi (NATIONALLICENCE)springer-10.1007/s00339-007-4203-6 Ripple formation during deep hole drilling in copper with ultrashort laser pulses [Elektronische Daten] [A. Weck, T.H.R. Crawford, D.S. Wilkinson, H.K. Haugen, J.S. Preston] Cross sections of deep holes produced by ultrashort laser pulses and showing a variety of microstructural formations are presented. After tens of thousands of 800nm wavelength pulses, the walls of the holes show distinct ripples with a period of ∼300nm. It is demonstrated that these ripples are the result of light interference effects. Indeed, the ripples are perpendicular to the electric field of the laser beam and their spacing scales with the laser wavelength. Additional fine ripples with spacing of ∼75nm were also observed. Springer-Verlag, 2007 Weck A. Department of Materials Science and Engineering, McMaster University, L8S 4L7, Hamilton, Ontario, Canada aut Crawford T.H.R. Department of Engineering Physics, McMaster University, L8S 4L7, Hamilton, Ontario, Canada aut Wilkinson D.S. Department of Materials Science and Engineering, McMaster University, L8S 4L7, Hamilton, Ontario, Canada aut Haugen H.K. Department of Engineering Physics, McMaster University, L8S 4L7, Hamilton, Ontario, Canada aut Preston J.S. Department of Engineering Physics, McMaster University, L8S 4L7, Hamilton, Ontario, Canada aut Applied Physics A Springer-Verlag 89/4(2007-12-01), 1001-1003 0947-8396 89:4<1001 2007 89 339 https://doi.org/10.1007/s00339-007-4203-6 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00339-007-4203-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Weck A. Department of Materials Science and Engineering, McMaster University, L8S 4L7, Hamilton, Ontario, Canada aut NATIONALLICENCE 700 1- Crawford T.H.R. Department of Engineering Physics, McMaster University, L8S 4L7, Hamilton, Ontario, Canada aut NATIONALLICENCE 700 1- Wilkinson D.S. Department of Materials Science and Engineering, McMaster University, L8S 4L7, Hamilton, Ontario, Canada aut NATIONALLICENCE 700 1- Haugen H.K. Department of Engineering Physics, McMaster University, L8S 4L7, Hamilton, Ontario, Canada aut NATIONALLICENCE 700 1- Preston J.S. Department of Engineering Physics, McMaster University, L8S 4L7, Hamilton, Ontario, Canada aut NATIONALLICENCE 773 0- Applied Physics A Springer-Verlag 89/4(2007-12-01), 1001-1003 0947-8396 89:4<1001 2007 89 339 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer