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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 21 — Oct. 11, 2010
  • pp: 22305–22313

Microdrilling in steel using ultrashort pulsed laser beams with radial and azimuthal polarization

Martin Kraus, Marwan Abdou Ahmed, Andreas Michalowski, Andreas Voss, Rudolf Weber, and Thomas Graf  »View Author Affiliations


Optics Express, Vol. 18, Issue 21, pp. 22305-22313 (2010)
http://dx.doi.org/10.1364/OE.18.022305


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Abstract

A linear to radial and/or azimuthal polarization converter (LRAC) has been inserted into the beam delivery of a micromachining station equipped with a picosecond laser system. Percussion drilling and helical drilling in steel have been performed using radially as well as azimuthally polarized infrared radiation at 1030 nm. The presented machining results are discussed on the basis of numerical simulations of the polarization-dependent beam propagation inside the fabricated capillaries.

© 2010 OSA

OCIS Codes
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(140.3390) Lasers and laser optics : Laser materials processing
(230.5440) Optical devices : Polarization-selective devices
(260.5430) Physical optics : Polarization
(320.7090) Ultrafast optics : Ultrafast lasers
(080.1753) Geometric optics : Computation methods
(080.4228) Geometric optics : Nonspherical mirror surfaces

ToC Category:
Laser Microfabrication

History
Original Manuscript: August 27, 2010
Manuscript Accepted: September 10, 2010
Published: October 6, 2010

Citation
Martin Kraus, Marwan Abdou Ahmed, Andreas Michalowski, Andreas Voss, Rudolf Weber, and Thomas Graf, "Microdrilling in steel using ultrashort pulsed laser beams with radial and azimuthal polarization," Opt. Express 18, 22305-22313 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-21-22305


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