Laser cutting apparatus and method

Details Laser cutting apparatus and method Laser cutting apparatus and method

B - Operations, Transporting

23

K

327/1.5

B23K 26/02 (2006.01) B23K 26/14 (2006.01) B23K 26/36 (2006.01)

Patent

CA 1189576

ABSTRACT OF THE DISCLOSURE An apparatus and method for cutting material from a workpiece by means of a laser beam. A laser resonator emits an essentially coherentbeam of electromagnetic radiation having at least partial linear polarization. A converting means receives the linearly polarized laser beam and converts the beam into an essentially coherent beam of electromagnetic radiation having at least partial circular polarization. A directing means ensures that the circularly polarized beam is directed against the workpiece at the point of the desired cut. A conventional focusing means and axially directed gas jet may be added to enhance the cutting of the laser beam.

391844

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