Microdrilling in steel using ultrashort pulsed laser beams with radial and azimuthal polarization
作者： Martin Kraus , Marwan Abdou Ahmed , Andreas Michalowski , Andreas Voss , Rudolf Weber
DOI: 10.1364/OE.18.022305
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摘要: A linear to radial and/or azimuthal polarization converter (LRAC) has been inserted into the beam delivery of a micromachining station equipped with picosecond laser system. Percussion drilling and helical in steel have performed using radially as well azimuthally polarized infrared radiation at 1030 nm. The presented machining results are discussed on basis numerical simulations polarization-dependent propagation inside fabricated capillaries.
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